401k Plan data: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN plan

AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 401k Plan overview

Plan Name	AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN
Plan identification number	001

AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN Benefits

401k Plan Type

Defined Contribution Pension

Plan Features/Benefits

Profit-sharing
ERISA section 404(c) Plan - This plan, or any part of it is intended to meet the conditions of 29 CFR 2550.404c-1.
Partial participant-directed account plan - Participants have the opportunity to direct the investment of a portion of the assets allocated to their individual accounts, regardless of whether 29 CFR 2550.404c-1 is intended to be met.
Code section 401(k) feature - A cash or deferred arrangement described in Code section 401(k) that is part of a qualified defined contribution plan that provides for an election by employees to defer part of their compensation or receive these amounts in cash.
Code section 401(m) arrangement - Employee contributions are allocated to separate accounts under the plan or employer contributions are based, in whole or in part, on employee deferrals or contribtions to the plan. Not applicable if plan is 401(k) plan with only QNECs and/or QMACs. Also not applicable if Code section 403(b)(1), 403(b)(7) or 408 arrangements/accounts/annuities.
Total or partial participant-directed account plan - plan uses default investment account for participants who fail to direct assets in their account.
Plan sponsor(s) is (are) a member(s) of a controlled group (Code sections 414(b), (c), or (m)).

401k Sponsoring company profile

AFFILIATED MANAGERS GROUP, INC. has sponsored the creation of one or more 401k plans.

Company Name: AFFILIATED MANAGERS GROUP, INC.

Employer identification number (EIN): 043218510

NAIC Classification: 523900

Additional information about AFFILIATED MANAGERS GROUP, INC.

Jurisdiction of Incorporation: State of Delaware Division of Corporations

Incorporation Date:

Company Identification Number: 2365895

More information about AFFILIATED MANAGERS GROUP, INC.

Form 5500 Filing Information

Submission information for form 5500 for 401k plan AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
001 2022-01-01 LAURA THOMPSON 2023-10-15 LAURA THOMPSON 2023-10-15
001 2021-01-01 LAURA THOMPSON 2022-10-16 LAURA THOMPSON 2022-10-16
001 2020-01-01 LAURA THOMPSON 2021-10-13 LAURA THOMPSON 2021-10-13
001 2019-01-01 LAURA THOMPSON 2020-10-12
001 2018-01-01 LAURA THOMPSON 2019-10-09
001 2017-01-01
001 2016-01-01
001 2015-01-01 DAVID AGER
001 2014-01-01 DAVID AGER
001 2013-01-01 DAVID AGER
001 2012-01-01 DAVID AGER
001 2011-01-01 AMBER SALOTTO
001 2010-01-01 DAVID AGER DAVID AGER 2011-10-17
001 2009-01-01 DAVID AGER DAVID AGER 2010-10-15

Plan id#	Filing Submission Date	Name of Administrator	Date Administrator Signed	Name of Company Sponsor	Date Sponsor Signed
001	2022-01-01	LAURA THOMPSON	2023-10-15	LAURA THOMPSON	2023-10-15
001	2021-01-01	LAURA THOMPSON	2022-10-16	LAURA THOMPSON	2022-10-16
001	2020-01-01	LAURA THOMPSON	2021-10-13	LAURA THOMPSON	2021-10-13
001	2019-01-01	LAURA THOMPSON	2020-10-12
001	2018-01-01	LAURA THOMPSON	2019-10-09
001	2017-01-01
001	2016-01-01
001	2015-01-01	DAVID AGER
001	2014-01-01	DAVID AGER
001	2013-01-01	DAVID AGER
001	2012-01-01	DAVID AGER
001	2011-01-01	AMBER SALOTTO
001	2010-01-01	DAVID AGER		DAVID AGER	2011-10-17
001	2009-01-01	DAVID AGER		DAVID AGER	2010-10-15

Plan Statistics for AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN

401k plan membership statisitcs for AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN

Measure Date Value
2022: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2022 401k membership
Total participants, beginning-of-year 2022-01-01 695
Total number of active participants reported on line 7a of the Form 5500 2022-01-01 510
Number of retired or separated participants receiving benefits 2022-01-01 0
Number of other retired or separated participants entitled to future benefits 2022-01-01 244
Total of all active and inactive participants 2022-01-01 754
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2022-01-01 0
Total participants 2022-01-01 754
Number of participants with account balances 2022-01-01 725
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2022-01-01 4
2021: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2021 401k membership
Total participants, beginning-of-year 2021-01-01 684
Total number of active participants reported on line 7a of the Form 5500 2021-01-01 481
Number of retired or separated participants receiving benefits 2021-01-01 0
Number of other retired or separated participants entitled to future benefits 2021-01-01 237
Total of all active and inactive participants 2021-01-01 718
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2021-01-01 0
Total participants 2021-01-01 718
Number of participants with account balances 2021-01-01 695
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2021-01-01 8
2020: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2020 401k membership
Total participants, beginning-of-year 2020-01-01 734
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 479
Number of retired or separated participants receiving benefits 2020-01-01 0
Number of other retired or separated participants entitled to future benefits 2020-01-01 232
Total of all active and inactive participants 2020-01-01 711
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2020-01-01 0
Total participants 2020-01-01 711
Number of participants with account balances 2020-01-01 684
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2020-01-01 3
2019: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2019 401k membership
Total participants, beginning-of-year 2019-01-01 735
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 490
Number of retired or separated participants receiving benefits 2019-01-01 0
Number of other retired or separated participants entitled to future benefits 2019-01-01 267
Total of all active and inactive participants 2019-01-01 757
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2019-01-01 0
Total participants 2019-01-01 757
Number of participants with account balances 2019-01-01 726
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2019-01-01 24
2018: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2018 401k membership
Total participants, beginning-of-year 2018-01-01 713
Total number of active participants reported on line 7a of the Form 5500 2018-01-01 553
Number of retired or separated participants receiving benefits 2018-01-01 0
Number of other retired or separated participants entitled to future benefits 2018-01-01 217
Total of all active and inactive participants 2018-01-01 770
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2018-01-01 0
Total participants 2018-01-01 770
Number of participants with account balances 2018-01-01 734
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2018-01-01 13
2017: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2017 401k membership
Total participants, beginning-of-year 2017-01-01 692
Total number of active participants reported on line 7a of the Form 5500 2017-01-01 539
Number of retired or separated participants receiving benefits 2017-01-01 0
Number of other retired or separated participants entitled to future benefits 2017-01-01 215
Total of all active and inactive participants 2017-01-01 754
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-01-01 1
Total participants 2017-01-01 755
Number of participants with account balances 2017-01-01 712
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-01-01 14
2016: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2016 401k membership
Total participants, beginning-of-year 2016-01-01 658
Total number of active participants reported on line 7a of the Form 5500 2016-01-01 448
Number of retired or separated participants receiving benefits 2016-01-01 0
Number of other retired or separated participants entitled to future benefits 2016-01-01 194
Total of all active and inactive participants 2016-01-01 642
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2016-01-01 0
Total participants 2016-01-01 642
Number of participants with account balances 2016-01-01 642
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2016-01-01 12
2015: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2015 401k membership
Total participants, beginning-of-year 2015-01-01 615
Total number of active participants reported on line 7a of the Form 5500 2015-01-01 477
Number of retired or separated participants receiving benefits 2015-01-01 0
Number of other retired or separated participants entitled to future benefits 2015-01-01 200
Total of all active and inactive participants 2015-01-01 677
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2015-01-01 0
Total participants 2015-01-01 677
Number of participants with account balances 2015-01-01 658
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2015-01-01 14
2014: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2014 401k membership
Total participants, beginning-of-year 2014-01-01 632
Total number of active participants reported on line 7a of the Form 5500 2014-01-01 454
Number of retired or separated participants receiving benefits 2014-01-01 0
Number of other retired or separated participants entitled to future benefits 2014-01-01 160
Total of all active and inactive participants 2014-01-01 614
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2014-01-01 1
Total participants 2014-01-01 615
Number of participants with account balances 2014-01-01 624
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2014-01-01 8
2013: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2013 401k membership
Total participants, beginning-of-year 2013-01-01 558
Total number of active participants reported on line 7a of the Form 5500 2013-01-01 436
Number of retired or separated participants receiving benefits 2013-01-01 0
Number of other retired or separated participants entitled to future benefits 2013-01-01 196
Total of all active and inactive participants 2013-01-01 632
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2013-01-01 0
Total participants 2013-01-01 632
Number of participants with account balances 2013-01-01 623
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2013-01-01 9
2012: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2012 401k membership
Total participants, beginning-of-year 2012-01-01 574
Total number of active participants reported on line 7a of the Form 5500 2012-01-01 363
Number of retired or separated participants receiving benefits 2012-01-01 0
Number of other retired or separated participants entitled to future benefits 2012-01-01 195
Total of all active and inactive participants 2012-01-01 558
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2012-01-01 0
Total participants 2012-01-01 558
Number of participants with account balances 2012-01-01 555
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2012-01-01 3
2011: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2011 401k membership
Total participants, beginning-of-year 2011-01-01 550
Total number of active participants reported on line 7a of the Form 5500 2011-01-01 381
Number of retired or separated participants receiving benefits 2011-01-01 0
Number of other retired or separated participants entitled to future benefits 2011-01-01 193
Total of all active and inactive participants 2011-01-01 574
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2011-01-01 0
Total participants 2011-01-01 574
Number of participants with account balances 2011-01-01 565
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2011-01-01 9
2010: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2010 401k membership
Total participants, beginning-of-year 2010-01-01 549
Total number of active participants reported on line 7a of the Form 5500 2010-01-01 363
Number of retired or separated participants receiving benefits 2010-01-01 0
Number of other retired or separated participants entitled to future benefits 2010-01-01 187
Total of all active and inactive participants 2010-01-01 550
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2010-01-01 0
Total participants 2010-01-01 550
Number of participants with account balances 2010-01-01 543
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2010-01-01 7
2009: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2009 401k membership
Total participants, beginning-of-year 2009-01-01 508
Total number of active participants reported on line 7a of the Form 5500 2009-01-01 357
Number of retired or separated participants receiving benefits 2009-01-01 0
Number of other retired or separated participants entitled to future benefits 2009-01-01 192
Total of all active and inactive participants 2009-01-01 549
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2009-01-01 0
Total participants 2009-01-01 549
Number of participants with account balances 2009-01-01 541
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2009-01-01 8

Measure	Date	Value
2022: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2022 401k membership
Total participants, beginning-of-year	2022-01-01	695
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	510
Number of retired or separated participants receiving benefits	2022-01-01	0
Number of other retired or separated participants entitled to future benefits	2022-01-01	244
Total of all active and inactive participants	2022-01-01	754
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	0
Total participants	2022-01-01	754
Number of participants with account balances	2022-01-01	725
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	4
2021: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2021 401k membership
Total participants, beginning-of-year	2021-01-01	684
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	481
Number of retired or separated participants receiving benefits	2021-01-01	0
Number of other retired or separated participants entitled to future benefits	2021-01-01	237
Total of all active and inactive participants	2021-01-01	718
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	0
Total participants	2021-01-01	718
Number of participants with account balances	2021-01-01	695
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	8
2020: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2020 401k membership
Total participants, beginning-of-year	2020-01-01	734
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	479
Number of retired or separated participants receiving benefits	2020-01-01	0
Number of other retired or separated participants entitled to future benefits	2020-01-01	232
Total of all active and inactive participants	2020-01-01	711
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	0
Total participants	2020-01-01	711
Number of participants with account balances	2020-01-01	684
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	3
2019: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2019 401k membership
Total participants, beginning-of-year	2019-01-01	735
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	490
Number of retired or separated participants receiving benefits	2019-01-01	0
Number of other retired or separated participants entitled to future benefits	2019-01-01	267
Total of all active and inactive participants	2019-01-01	757
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	0
Total participants	2019-01-01	757
Number of participants with account balances	2019-01-01	726
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	24
2018: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2018 401k membership
Total participants, beginning-of-year	2018-01-01	713
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	553
Number of retired or separated participants receiving benefits	2018-01-01	0
Number of other retired or separated participants entitled to future benefits	2018-01-01	217
Total of all active and inactive participants	2018-01-01	770
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	0
Total participants	2018-01-01	770
Number of participants with account balances	2018-01-01	734
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	13
2017: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2017 401k membership
Total participants, beginning-of-year	2017-01-01	692
Total number of active participants reported on line 7a of the Form 5500	2017-01-01	539
Number of retired or separated participants receiving benefits	2017-01-01	0
Number of other retired or separated participants entitled to future benefits	2017-01-01	215
Total of all active and inactive participants	2017-01-01	754
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-01-01	1
Total participants	2017-01-01	755
Number of participants with account balances	2017-01-01	712
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-01-01	14
2016: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2016 401k membership
Total participants, beginning-of-year	2016-01-01	658
Total number of active participants reported on line 7a of the Form 5500	2016-01-01	448
Number of retired or separated participants receiving benefits	2016-01-01	0
Number of other retired or separated participants entitled to future benefits	2016-01-01	194
Total of all active and inactive participants	2016-01-01	642
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2016-01-01	0
Total participants	2016-01-01	642
Number of participants with account balances	2016-01-01	642
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2016-01-01	12
2015: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2015 401k membership
Total participants, beginning-of-year	2015-01-01	615
Total number of active participants reported on line 7a of the Form 5500	2015-01-01	477
Number of retired or separated participants receiving benefits	2015-01-01	0
Number of other retired or separated participants entitled to future benefits	2015-01-01	200
Total of all active and inactive participants	2015-01-01	677
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2015-01-01	0
Total participants	2015-01-01	677
Number of participants with account balances	2015-01-01	658
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2015-01-01	14
2014: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2014 401k membership
Total participants, beginning-of-year	2014-01-01	632
Total number of active participants reported on line 7a of the Form 5500	2014-01-01	454
Number of retired or separated participants receiving benefits	2014-01-01	0
Number of other retired or separated participants entitled to future benefits	2014-01-01	160
Total of all active and inactive participants	2014-01-01	614
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2014-01-01	1
Total participants	2014-01-01	615
Number of participants with account balances	2014-01-01	624
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2014-01-01	8
2013: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2013 401k membership
Total participants, beginning-of-year	2013-01-01	558
Total number of active participants reported on line 7a of the Form 5500	2013-01-01	436
Number of retired or separated participants receiving benefits	2013-01-01	0
Number of other retired or separated participants entitled to future benefits	2013-01-01	196
Total of all active and inactive participants	2013-01-01	632
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2013-01-01	0
Total participants	2013-01-01	632
Number of participants with account balances	2013-01-01	623
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2013-01-01	9
2012: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2012 401k membership
Total participants, beginning-of-year	2012-01-01	574
Total number of active participants reported on line 7a of the Form 5500	2012-01-01	363
Number of retired or separated participants receiving benefits	2012-01-01	0
Number of other retired or separated participants entitled to future benefits	2012-01-01	195
Total of all active and inactive participants	2012-01-01	558
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2012-01-01	0
Total participants	2012-01-01	558
Number of participants with account balances	2012-01-01	555
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2012-01-01	3
2011: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2011 401k membership
Total participants, beginning-of-year	2011-01-01	550
Total number of active participants reported on line 7a of the Form 5500	2011-01-01	381
Number of retired or separated participants receiving benefits	2011-01-01	0
Number of other retired or separated participants entitled to future benefits	2011-01-01	193
Total of all active and inactive participants	2011-01-01	574
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2011-01-01	0
Total participants	2011-01-01	574
Number of participants with account balances	2011-01-01	565
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2011-01-01	9
2010: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2010 401k membership
Total participants, beginning-of-year	2010-01-01	549
Total number of active participants reported on line 7a of the Form 5500	2010-01-01	363
Number of retired or separated participants receiving benefits	2010-01-01	0
Number of other retired or separated participants entitled to future benefits	2010-01-01	187
Total of all active and inactive participants	2010-01-01	550
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2010-01-01	0
Total participants	2010-01-01	550
Number of participants with account balances	2010-01-01	543
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2010-01-01	7
2009: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2009 401k membership
Total participants, beginning-of-year	2009-01-01	508
Total number of active participants reported on line 7a of the Form 5500	2009-01-01	357
Number of retired or separated participants receiving benefits	2009-01-01	0
Number of other retired or separated participants entitled to future benefits	2009-01-01	192
Total of all active and inactive participants	2009-01-01	549
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2009-01-01	0
Total participants	2009-01-01	549
Number of participants with account balances	2009-01-01	541
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2009-01-01	8

Financial Data on AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN

Measure	Date	Value
2022 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2022 401k financial data
Total unrealized appreciation/depreciation of assets	2022-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$143,610
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$93,673
Total income from all sources (including contributions)	2022-12-31	$-24,183,940
Total loss/gain on sale of assets	2022-12-31	$0
Total of all expenses incurred	2022-12-31	$5,774,048
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$5,738,000
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$13,335,277
Value of total assets at end of year	2022-12-31	$193,590,276
Value of total assets at beginning of year	2022-12-31	$223,498,327
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$36,048
Total interest from all sources	2022-12-31	$31,383
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$6,541,935
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2022-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2022-12-31	$6,541,935
Administrative expenses professional fees incurred	2022-12-31	$35,298
Was this plan covered by a fidelity bond	2022-12-31	Yes
Value of fidelity bond cover	2022-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2022-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2022-12-31	No
Contributions received from participants	2022-12-31	$7,539,278
Participant contributions at end of year	2022-12-31	$428,601
Participant contributions at beginning of year	2022-12-31	$668,418
Income. Received or receivable in cash from other sources (including rollovers)	2022-12-31	$491,086
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2022-12-31	$143,610
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2022-12-31	$93,673
Administrative expenses (other) incurred	2022-12-31	$750
Total non interest bearing cash at end of year	2022-12-31	$159,993
Total non interest bearing cash at beginning of year	2022-12-31	$109,682
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Value of net income/loss	2022-12-31	$-29,957,988
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$193,446,666
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$223,404,654
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2022-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2022-12-31	No
Were any leases to which the plan was party in default or uncollectible	2022-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-12-31	$190,595,314
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$218,750,608
Interest on participant loans	2022-12-31	$31,383
Value of interest in common/collective trusts at end of year	2022-12-31	$0
Value of interest in common/collective trusts at beginning of year	2022-12-31	$1,267,454
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2022-12-31	$-44,079,654
Net investment gain or loss from common/collective trusts	2022-12-31	$-12,881
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2022-12-31	No
Was there a failure to transmit to the plan any participant contributions	2022-12-31	No
Has the plan failed to provide any benefit when due under the plan	2022-12-31	No
Contributions received in cash from employer	2022-12-31	$5,304,913
Employer contributions (assets) at end of year	2022-12-31	$2,406,368
Employer contributions (assets) at beginning of year	2022-12-31	$2,702,165
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-12-31	$5,738,000
Did the plan have assets held for investment	2022-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2022-12-31	No
Opinion of an independent qualified public accountant for this plan	2022-12-31	Unqualified
Accountancy firm name	2022-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2022-12-31	134008324
2021 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2021 401k financial data
Total unrealized appreciation/depreciation of assets	2021-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$93,673
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$121,104
Total income from all sources (including contributions)	2021-12-31	$38,650,377
Total loss/gain on sale of assets	2021-12-31	$0
Total of all expenses incurred	2021-12-31	$14,134,064
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$14,092,964
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$12,194,810
Value of total assets at end of year	2021-12-31	$223,498,327
Value of total assets at beginning of year	2021-12-31	$199,009,445
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$41,100
Total interest from all sources	2021-12-31	$38,802
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$15,655,339
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2021-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2021-12-31	$15,655,339
Administrative expenses professional fees incurred	2021-12-31	$39,750
Was this plan covered by a fidelity bond	2021-12-31	Yes
Value of fidelity bond cover	2021-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2021-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2021-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2021-12-31	No
Contributions received from participants	2021-12-31	$6,608,662
Participant contributions at end of year	2021-12-31	$668,418
Participant contributions at beginning of year	2021-12-31	$656,749
Income. Received or receivable in cash from other sources (including rollovers)	2021-12-31	$319,966
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2021-12-31	$93,673
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2021-12-31	$121,104
Administrative expenses (other) incurred	2021-12-31	$1,350
Total non interest bearing cash at end of year	2021-12-31	$109,682
Total non interest bearing cash at beginning of year	2021-12-31	$136,309
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Value of net income/loss	2021-12-31	$24,516,313
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$223,404,654
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$198,888,341
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2021-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2021-12-31	No
Were any leases to which the plan was party in default or uncollectible	2021-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2021-12-31	$218,750,608
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$194,637,585
Interest on participant loans	2021-12-31	$38,802
Value of interest in common/collective trusts at end of year	2021-12-31	$1,267,454
Value of interest in common/collective trusts at beginning of year	2021-12-31	$1,081,751
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2021-12-31	$10,534,053
Net investment gain or loss from common/collective trusts	2021-12-31	$227,373
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2021-12-31	No
Was there a failure to transmit to the plan any participant contributions	2021-12-31	No
Has the plan failed to provide any benefit when due under the plan	2021-12-31	No
Contributions received in cash from employer	2021-12-31	$5,266,182
Employer contributions (assets) at end of year	2021-12-31	$2,702,165
Employer contributions (assets) at beginning of year	2021-12-31	$2,497,051
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2021-12-31	$14,092,964
Did the plan have assets held for investment	2021-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2021-12-31	No
Opinion of an independent qualified public accountant for this plan	2021-12-31	Unqualified
Accountancy firm name	2021-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2021-12-31	134008324
2020 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2020 401k financial data
Total unrealized appreciation/depreciation of assets	2020-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$121,104
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$137,081
Total income from all sources (including contributions)	2020-12-31	$35,111,055
Total loss/gain on sale of assets	2020-12-31	$0
Total of all expenses incurred	2020-12-31	$16,217,383
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$16,159,044
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$12,082,728
Value of total assets at end of year	2020-12-31	$199,009,445
Value of total assets at beginning of year	2020-12-31	$180,131,750
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$58,339
Total interest from all sources	2020-12-31	$47,783
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$9,209,050
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2020-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2020-12-31	$9,209,050
Administrative expenses professional fees incurred	2020-12-31	$20,000
Was this plan covered by a fidelity bond	2020-12-31	Yes
Value of fidelity bond cover	2020-12-31	$10,000,000
If this is an individual account plan, was there a blackout period	2020-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2020-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2020-12-31	No
Contributions received from participants	2020-12-31	$6,394,568
Participant contributions at end of year	2020-12-31	$656,749
Participant contributions at beginning of year	2020-12-31	$828,354
Income. Received or receivable in cash from other sources (including rollovers)	2020-12-31	$772,083
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2020-12-31	$121,104
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2020-12-31	$137,081
Administrative expenses (other) incurred	2020-12-31	$38,339
Total non interest bearing cash at end of year	2020-12-31	$136,309
Total non interest bearing cash at beginning of year	2020-12-31	$150,224
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Value of net income/loss	2020-12-31	$18,893,672
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$198,888,341
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$179,994,669
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2020-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2020-12-31	No
Were any leases to which the plan was party in default or uncollectible	2020-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-12-31	$194,637,585
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$175,692,815
Interest on participant loans	2020-12-31	$47,783
Value of interest in common/collective trusts at end of year	2020-12-31	$1,081,751
Value of interest in common/collective trusts at beginning of year	2020-12-31	$1,045,702
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2020-12-31	$13,728,790
Net investment gain or loss from common/collective trusts	2020-12-31	$42,704
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2020-12-31	No
Was there a failure to transmit to the plan any participant contributions	2020-12-31	No
Has the plan failed to provide any benefit when due under the plan	2020-12-31	No
Contributions received in cash from employer	2020-12-31	$4,916,077
Employer contributions (assets) at end of year	2020-12-31	$2,497,051
Employer contributions (assets) at beginning of year	2020-12-31	$2,414,655
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-12-31	$16,159,044
Did the plan have assets held for investment	2020-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2020-12-31	No
Opinion of an independent qualified public accountant for this plan	2020-12-31	Disclaimer
Accountancy firm name	2020-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2020-12-31	134008324
2019 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2019 401k financial data
Total unrealized appreciation/depreciation of assets	2019-12-31	$0
Total unrealized appreciation/depreciation of assets	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$137,081
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$137,081
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$162,229
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$162,229
Total income from all sources (including contributions)	2019-12-31	$44,187,112
Total income from all sources (including contributions)	2019-12-31	$44,187,112
Total loss/gain on sale of assets	2019-12-31	$0
Total loss/gain on sale of assets	2019-12-31	$0
Total of all expenses incurred	2019-12-31	$10,159,369
Total of all expenses incurred	2019-12-31	$10,159,369
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$10,071,453
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$10,071,453
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$12,227,034
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$12,227,034
Value of total assets at end of year	2019-12-31	$180,131,750
Value of total assets at end of year	2019-12-31	$180,131,750
Value of total assets at beginning of year	2019-12-31	$146,129,155
Value of total assets at beginning of year	2019-12-31	$146,129,155
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$87,916
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$87,916
Total interest from all sources	2019-12-31	$55,406
Total interest from all sources	2019-12-31	$55,406
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$10,429,784
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$10,429,784
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2019-12-31	No
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2019-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2019-12-31	$10,429,784
Administrative expenses professional fees incurred	2019-12-31	$33,170
Administrative expenses professional fees incurred	2019-12-31	$33,170
Was this plan covered by a fidelity bond	2019-12-31	Yes
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$500,000
Value of fidelity bond cover	2019-12-31	$500,000
If this is an individual account plan, was there a blackout period	2019-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2019-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Contributions received from participants	2019-12-31	$6,462,999
Contributions received from participants	2019-12-31	$6,462,999
Participant contributions at end of year	2019-12-31	$828,354
Participant contributions at end of year	2019-12-31	$828,354
Participant contributions at beginning of year	2019-12-31	$859,681
Participant contributions at beginning of year	2019-12-31	$859,681
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$353,029
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$353,029
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2019-12-31	$137,081
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2019-12-31	$137,081
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2019-12-31	$162,229
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2019-12-31	$162,229
Administrative expenses (other) incurred	2019-12-31	$54,746
Administrative expenses (other) incurred	2019-12-31	$54,746
Total non interest bearing cash at end of year	2019-12-31	$150,224
Total non interest bearing cash at end of year	2019-12-31	$150,224
Total non interest bearing cash at beginning of year	2019-12-31	$178,823
Total non interest bearing cash at beginning of year	2019-12-31	$178,823
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Value of net income/loss	2019-12-31	$34,027,743
Value of net income/loss	2019-12-31	$34,027,743
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$179,994,669
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$145,966,926
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$145,966,926
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$175,692,815
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$175,692,815
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$141,659,896
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$141,659,896
Interest on participant loans	2019-12-31	$55,406
Interest on participant loans	2019-12-31	$55,406
Value of interest in common/collective trusts at end of year	2019-12-31	$1,045,702
Value of interest in common/collective trusts at end of year	2019-12-31	$1,045,702
Value of interest in common/collective trusts at beginning of year	2019-12-31	$944,980
Value of interest in common/collective trusts at beginning of year	2019-12-31	$944,980
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$21,253,440
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$21,253,440
Net investment gain or loss from common/collective trusts	2019-12-31	$221,448
Net investment gain or loss from common/collective trusts	2019-12-31	$221,448
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	No
Contributions received in cash from employer	2019-12-31	$5,411,006
Contributions received in cash from employer	2019-12-31	$5,411,006
Employer contributions (assets) at end of year	2019-12-31	$2,414,655
Employer contributions (assets) at end of year	2019-12-31	$2,414,655
Employer contributions (assets) at beginning of year	2019-12-31	$2,485,775
Employer contributions (assets) at beginning of year	2019-12-31	$2,485,775
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$10,071,453
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$10,071,453
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	Yes
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2019-12-31	Disclaimer
Opinion of an independent qualified public accountant for this plan	2019-12-31	Disclaimer
Accountancy firm name	2019-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm name	2019-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2019-12-31	134008324
Accountancy firm EIN	2019-12-31	134008324
2018 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2018 401k financial data
Total unrealized appreciation/depreciation of assets	2018-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$162,229
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$149,124
Total income from all sources (including contributions)	2018-12-31	$3,061,070
Total loss/gain on sale of assets	2018-12-31	$0
Total of all expenses incurred	2018-12-31	$9,354,478
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$9,258,732
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$13,418,195
Value of total assets at end of year	2018-12-31	$146,129,155
Value of total assets at beginning of year	2018-12-31	$152,409,458
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$95,746
Total interest from all sources	2018-12-31	$51,567
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$11,383,395
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2018-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2018-12-31	$11,383,395
Administrative expenses professional fees incurred	2018-12-31	$44,223
Was this plan covered by a fidelity bond	2018-12-31	Yes
Value of fidelity bond cover	2018-12-31	$500,000
If this is an individual account plan, was there a blackout period	2018-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2018-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2018-12-31	No
Contributions received from participants	2018-12-31	$6,455,802
Participant contributions at end of year	2018-12-31	$859,681
Participant contributions at beginning of year	2018-12-31	$981,871
Income. Received or receivable in cash from other sources (including rollovers)	2018-12-31	$720,519
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2018-12-31	$162,229
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2018-12-31	$149,124
Administrative expenses (other) incurred	2018-12-31	$51,523
Total non interest bearing cash at end of year	2018-12-31	$178,823
Total non interest bearing cash at beginning of year	2018-12-31	$189,654
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Value of net income/loss	2018-12-31	$-6,293,408
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$145,966,926
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$152,260,334
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2018-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2018-12-31	No
Were any leases to which the plan was party in default or uncollectible	2018-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2018-12-31	$141,659,896
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$147,992,950
Interest on participant loans	2018-12-31	$51,567
Value of interest in common/collective trusts at end of year	2018-12-31	$944,980
Value of interest in common/collective trusts at beginning of year	2018-12-31	$755,024
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2018-12-31	$-21,870,270
Net investment gain or loss from common/collective trusts	2018-12-31	$78,183
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2018-12-31	No
Was there a failure to transmit to the plan any participant contributions	2018-12-31	No
Has the plan failed to provide any benefit when due under the plan	2018-12-31	No
Contributions received in cash from employer	2018-12-31	$6,241,874
Employer contributions (assets) at end of year	2018-12-31	$2,485,775
Employer contributions (assets) at beginning of year	2018-12-31	$2,489,959
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2018-12-31	$9,258,732
Did the plan have assets held for investment	2018-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2018-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2018-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2018-12-31	Disclaimer
Accountancy firm name	2018-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2018-12-31	134008324
2017 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2017 401k financial data
Total unrealized appreciation/depreciation of assets	2017-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$149,124
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$149,223
Total income from all sources (including contributions)	2017-12-31	$36,618,451
Total loss/gain on sale of assets	2017-12-31	$0
Total of all expenses incurred	2017-12-31	$6,649,758
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$6,519,452
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$14,909,380
Value of total assets at end of year	2017-12-31	$152,409,458
Value of total assets at beginning of year	2017-12-31	$122,440,864
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$130,306
Total interest from all sources	2017-12-31	$49,246
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$12,962,743
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2017-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2017-12-31	$12,962,743
Administrative expenses professional fees incurred	2017-12-31	$77,832
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$500,000
If this is an individual account plan, was there a blackout period	2017-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2017-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2017-12-31	No
Contributions received from participants	2017-12-31	$5,973,547
Participant contributions at end of year	2017-12-31	$981,871
Participant contributions at beginning of year	2017-12-31	$789,769
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$2,823,148
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2017-12-31	$149,124
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2017-12-31	$149,223
Administrative expenses (other) incurred	2017-12-31	$52,474
Total non interest bearing cash at end of year	2017-12-31	$189,654
Total non interest bearing cash at beginning of year	2017-12-31	$356,370
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Value of net income/loss	2017-12-31	$29,968,693
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$152,260,334
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$122,291,641
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2017-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2017-12-31	No
Were any leases to which the plan was party in default or uncollectible	2017-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$147,992,950
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$118,529,039
Interest on participant loans	2017-12-31	$49,246
Value of interest in common/collective trusts at end of year	2017-12-31	$755,024
Value of interest in common/collective trusts at beginning of year	2017-12-31	$506,817
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$8,561,643
Net investment gain or loss from common/collective trusts	2017-12-31	$135,439
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2017-12-31	No
Was there a failure to transmit to the plan any participant contributions	2017-12-31	No
Has the plan failed to provide any benefit when due under the plan	2017-12-31	No
Contributions received in cash from employer	2017-12-31	$6,112,685
Employer contributions (assets) at end of year	2017-12-31	$2,489,959
Employer contributions (assets) at beginning of year	2017-12-31	$2,258,869
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$6,519,452
Did the plan have assets held for investment	2017-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2017-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2017-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2017-12-31	Disclaimer
Accountancy firm name	2017-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2017-12-31	134008324
2016 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2016 401k financial data
Total unrealized appreciation/depreciation of assets	2016-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$149,223
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2016-12-31	$128,595
Total income from all sources (including contributions)	2016-12-31	$22,926,536
Total loss/gain on sale of assets	2016-12-31	$0
Total of all expenses incurred	2016-12-31	$6,208,341
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2016-12-31	$6,095,352
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2016-12-31	$13,060,039
Value of total assets at end of year	2016-12-31	$122,440,864
Value of total assets at beginning of year	2016-12-31	$105,702,041
Total of administrative expenses incurred including professional, contract, advisory and management fees	2016-12-31	$112,989
Total interest from all sources	2016-12-31	$34,536
Total dividends received (eg from common stock, registered investment company shares)	2016-12-31	$3,843,574
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2016-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2016-12-31	$3,843,574
Administrative expenses professional fees incurred	2016-12-31	$63,398
Was this plan covered by a fidelity bond	2016-12-31	Yes
Value of fidelity bond cover	2016-12-31	$500,000
If this is an individual account plan, was there a blackout period	2016-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2016-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2016-12-31	No
Contributions received from participants	2016-12-31	$5,940,640
Participant contributions at end of year	2016-12-31	$789,769
Participant contributions at beginning of year	2016-12-31	$670,106
Income. Received or receivable in cash from other sources (including rollovers)	2016-12-31	$1,643,197
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2016-12-31	$149,223
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2016-12-31	$128,595
Administrative expenses (other) incurred	2016-12-31	$49,591
Total non interest bearing cash at end of year	2016-12-31	$356,370
Total non interest bearing cash at beginning of year	2016-12-31	$250,480
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Value of net income/loss	2016-12-31	$16,718,195
Value of net assets at end of year (total assets less liabilities)	2016-12-31	$122,291,641
Value of net assets at beginning of year (total assets less liabilities)	2016-12-31	$105,573,446
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2016-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2016-12-31	No
Were any leases to which the plan was party in default or uncollectible	2016-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2016-12-31	$118,529,039
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2016-12-31	$102,219,622
Interest on participant loans	2016-12-31	$34,536
Value of interest in common/collective trusts at end of year	2016-12-31	$506,817
Value of interest in common/collective trusts at beginning of year	2016-12-31	$503,865
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2016-12-31	$5,986,548
Net investment gain or loss from common/collective trusts	2016-12-31	$1,839
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2016-12-31	No
Was there a failure to transmit to the plan any participant contributions	2016-12-31	No
Has the plan failed to provide any benefit when due under the plan	2016-12-31	No
Contributions received in cash from employer	2016-12-31	$5,476,202
Employer contributions (assets) at end of year	2016-12-31	$2,258,869
Employer contributions (assets) at beginning of year	2016-12-31	$2,057,968
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2016-12-31	$6,095,352
Did the plan have assets held for investment	2016-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2016-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2016-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2016-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2016-12-31	Disclaimer
Accountancy firm name	2016-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2016-12-31	134008324
2015 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2015 401k financial data
Total unrealized appreciation/depreciation of assets	2015-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$128,595
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2015-12-31	$117,022
Total income from all sources (including contributions)	2015-12-31	$9,367,911
Total loss/gain on sale of assets	2015-12-31	$0
Total of all expenses incurred	2015-12-31	$5,852,320
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2015-12-31	$5,756,404
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2015-12-31	$11,403,658
Value of total assets at end of year	2015-12-31	$105,702,041
Value of total assets at beginning of year	2015-12-31	$102,174,877
Total of administrative expenses incurred including professional, contract, advisory and management fees	2015-12-31	$95,916
Total interest from all sources	2015-12-31	$29,597
Total dividends received (eg from common stock, registered investment company shares)	2015-12-31	$6,487,212
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2015-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2015-12-31	$6,487,212
Was this plan covered by a fidelity bond	2015-12-31	Yes
Value of fidelity bond cover	2015-12-31	$500,000
If this is an individual account plan, was there a blackout period	2015-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2015-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2015-12-31	No
Contributions received from participants	2015-12-31	$5,242,514
Participant contributions at end of year	2015-12-31	$670,106
Participant contributions at beginning of year	2015-12-31	$609,970
Income. Received or receivable in cash from other sources (including rollovers)	2015-12-31	$1,363,888
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2015-12-31	$128,595
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2015-12-31	$117,022
Administrative expenses (other) incurred	2015-12-31	$95,916
Total non interest bearing cash at end of year	2015-12-31	$250,480
Total non interest bearing cash at beginning of year	2015-12-31	$117,095
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Value of net income/loss	2015-12-31	$3,515,591
Value of net assets at end of year (total assets less liabilities)	2015-12-31	$105,573,446
Value of net assets at beginning of year (total assets less liabilities)	2015-12-31	$102,057,855
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2015-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2015-12-31	No
Were any leases to which the plan was party in default or uncollectible	2015-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2015-12-31	$102,219,622
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2015-12-31	$99,705,553
Interest on participant loans	2015-12-31	$29,597
Value of interest in common/collective trusts at end of year	2015-12-31	$503,865
Value of interest in common/collective trusts at beginning of year	2015-12-31	$215,476
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2015-12-31	$-8,559,504
Net investment gain or loss from common/collective trusts	2015-12-31	$6,948
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2015-12-31	No
Was there a failure to transmit to the plan any participant contributions	2015-12-31	No
Has the plan failed to provide any benefit when due under the plan	2015-12-31	No
Contributions received in cash from employer	2015-12-31	$4,797,256
Employer contributions (assets) at end of year	2015-12-31	$2,057,968
Employer contributions (assets) at beginning of year	2015-12-31	$1,526,783
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2015-12-31	$5,756,404
Did the plan have assets held for investment	2015-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2015-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2015-12-31	No
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2015-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2015-12-31	Disclaimer
Accountancy firm name	2015-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2015-12-31	134008324
2014 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2014 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2014-12-31	$-1,179,215
Total unrealized appreciation/depreciation of assets	2014-12-31	$-1,179,215
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$117,022
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2014-12-31	$476,261
Total income from all sources (including contributions)	2014-12-31	$14,078,701
Total loss/gain on sale of assets	2014-12-31	$903,632
Total of all expenses incurred	2014-12-31	$8,548,090
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2014-12-31	$8,511,418
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2014-12-31	$10,104,136
Value of total assets at end of year	2014-12-31	$102,174,877
Value of total assets at beginning of year	2014-12-31	$97,003,505
Total of administrative expenses incurred including professional, contract, advisory and management fees	2014-12-31	$36,672
Total interest from all sources	2014-12-31	$32,110
Total dividends received (eg from common stock, registered investment company shares)	2014-12-31	$5,518,630
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2014-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2014-12-31	$5,488,479
Was this plan covered by a fidelity bond	2014-12-31	Yes
Value of fidelity bond cover	2014-12-31	$500,000
If this is an individual account plan, was there a blackout period	2014-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2014-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2014-12-31	No
Contributions received from participants	2014-12-31	$4,692,417
Participant contributions at end of year	2014-12-31	$609,970
Participant contributions at beginning of year	2014-12-31	$620,307
Income. Received or receivable in cash from other sources (including rollovers)	2014-12-31	$759,672
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2014-12-31	$117,022
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2014-12-31	$476,261
Administrative expenses (other) incurred	2014-12-31	$36,672
Total non interest bearing cash at end of year	2014-12-31	$117,095
Total non interest bearing cash at beginning of year	2014-12-31	$502,061
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Value of net income/loss	2014-12-31	$5,530,611
Value of net assets at end of year (total assets less liabilities)	2014-12-31	$102,057,855
Value of net assets at beginning of year (total assets less liabilities)	2014-12-31	$96,527,244
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2014-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2014-12-31	No
Were any leases to which the plan was party in default or uncollectible	2014-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2014-12-31	$99,705,553
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2014-12-31	$92,981,646
Interest on participant loans	2014-12-31	$32,110
Value of interest in common/collective trusts at end of year	2014-12-31	$215,476
Value of interest in common/collective trusts at beginning of year	2014-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2014-12-31	$-1,300,592
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2014-12-31	No
Was there a failure to transmit to the plan any participant contributions	2014-12-31	No
Has the plan failed to provide any benefit when due under the plan	2014-12-31	No
Contributions received in cash from employer	2014-12-31	$4,652,047
Employer contributions (assets) at end of year	2014-12-31	$1,526,783
Employer contributions (assets) at beginning of year	2014-12-31	$1,444,488
Income. Dividends from common stock	2014-12-31	$30,151
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2014-12-31	$8,511,418
Assets. Corporate common stocks other than exployer securities at end of year	2014-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2014-12-31	$1,455,003
Did the plan have assets held for investment	2014-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2014-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2014-12-31	No
Aggregate proceeds on sale of assets	2014-12-31	$1,068,869
Aggregate carrying amount (costs) on sale of assets	2014-12-31	$165,237
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2014-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2014-12-31	Disclaimer
Accountancy firm name	2014-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2014-12-31	134008324
2013 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2013 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2013-12-31	$318,947
Total unrealized appreciation/depreciation of assets	2013-12-31	$318,947
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$476,261
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2013-12-31	$426,854
Total income from all sources (including contributions)	2013-12-31	$28,822,201
Total loss/gain on sale of assets	2013-12-31	$-19,364
Total of all expenses incurred	2013-12-31	$2,436,464
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2013-12-31	$2,433,058
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2013-12-31	$10,473,590
Value of total assets at end of year	2013-12-31	$97,003,505
Value of total assets at beginning of year	2013-12-31	$70,568,361
Total of administrative expenses incurred including professional, contract, advisory and management fees	2013-12-31	$3,406
Total interest from all sources	2013-12-31	$28,262
Total dividends received (eg from common stock, registered investment company shares)	2013-12-31	$3,731,563
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2013-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2013-12-31	$3,703,089
Was this plan covered by a fidelity bond	2013-12-31	Yes
Value of fidelity bond cover	2013-12-31	$500,000
If this is an individual account plan, was there a blackout period	2013-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2013-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2013-12-31	No
Contributions received from participants	2013-12-31	$4,256,041
Participant contributions at end of year	2013-12-31	$620,307
Participant contributions at beginning of year	2013-12-31	$517,002
Income. Received or receivable in cash from other sources (including rollovers)	2013-12-31	$1,379,628
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2013-12-31	$476,261
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2013-12-31	$426,854
Administrative expenses (other) incurred	2013-12-31	$3,406
Total non interest bearing cash at end of year	2013-12-31	$502,061
Total non interest bearing cash at beginning of year	2013-12-31	$426,854
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Value of net income/loss	2013-12-31	$26,385,737
Value of net assets at end of year (total assets less liabilities)	2013-12-31	$96,527,244
Value of net assets at beginning of year (total assets less liabilities)	2013-12-31	$70,141,507
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2013-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2013-12-31	No
Were any leases to which the plan was party in default or uncollectible	2013-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2013-12-31	$92,981,646
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2013-12-31	$67,869,372
Interest on participant loans	2013-12-31	$28,262
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2013-12-31	$14,289,203
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2013-12-31	No
Was there a failure to transmit to the plan any participant contributions	2013-12-31	No
Has the plan failed to provide any benefit when due under the plan	2013-12-31	No
Contributions received in cash from employer	2013-12-31	$4,837,921
Employer contributions (assets) at end of year	2013-12-31	$1,444,488
Employer contributions (assets) at beginning of year	2013-12-31	$660,862
Income. Dividends from common stock	2013-12-31	$28,474
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2013-12-31	$2,433,058
Assets. Corporate common stocks other than exployer securities at end of year	2013-12-31	$1,455,003
Assets. Corporate common stocks other than exployer securities at beginning of year	2013-12-31	$1,094,271
Did the plan have assets held for investment	2013-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2013-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2013-12-31	No
Aggregate proceeds on sale of assets	2013-12-31	$163,338
Aggregate carrying amount (costs) on sale of assets	2013-12-31	$182,702
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2013-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2013-12-31	Disclaimer
Accountancy firm name	2013-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2013-12-31	134008324
2012 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2012 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2012-12-31	$-3,675
Total unrealized appreciation/depreciation of assets	2012-12-31	$-3,675
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$426,854
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2012-12-31	$0
Total income from all sources (including contributions)	2012-12-31	$15,645,231
Total loss/gain on sale of assets	2012-12-31	$-828
Total of all expenses incurred	2012-12-31	$4,462,317
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2012-12-31	$4,423,343
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2012-12-31	$7,241,224
Value of total assets at end of year	2012-12-31	$70,568,361
Value of total assets at beginning of year	2012-12-31	$58,958,593
Total of administrative expenses incurred including professional, contract, advisory and management fees	2012-12-31	$38,974
Total interest from all sources	2012-12-31	$71,780
Total dividends received (eg from common stock, registered investment company shares)	2012-12-31	$2,215,593
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2012-12-31	No
Was this plan covered by a fidelity bond	2012-12-31	Yes
Value of fidelity bond cover	2012-12-31	$500,000
If this is an individual account plan, was there a blackout period	2012-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2012-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2012-12-31	No
Contributions received from participants	2012-12-31	$3,753,576
Participant contributions at end of year	2012-12-31	$517,002
Participant contributions at beginning of year	2012-12-31	$531,670
Income. Received or receivable in cash from other sources (including rollovers)	2012-12-31	$564,447
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2012-12-31	$426,854
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2012-12-31	$0
Administrative expenses (other) incurred	2012-12-31	$38,974
Total non interest bearing cash at end of year	2012-12-31	$426,854
Total non interest bearing cash at beginning of year	2012-12-31	$1,463,871
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Value of net income/loss	2012-12-31	$11,182,914
Value of net assets at end of year (total assets less liabilities)	2012-12-31	$70,141,507
Value of net assets at beginning of year (total assets less liabilities)	2012-12-31	$58,958,593
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2012-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2012-12-31	No
Were any leases to which the plan was party in default or uncollectible	2012-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2012-12-31	$67,869,372
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2012-12-31	$54,684,451
Interest on participant loans	2012-12-31	$14,688
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2012-12-31	$57,092
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2012-12-31	$6,121,137
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2012-12-31	No
Was there a failure to transmit to the plan any participant contributions	2012-12-31	No
Has the plan failed to provide any benefit when due under the plan	2012-12-31	No
Contributions received in cash from employer	2012-12-31	$2,923,201
Employer contributions (assets) at end of year	2012-12-31	$660,862
Employer contributions (assets) at beginning of year	2012-12-31	$1,186,355
Income. Dividends from common stock	2012-12-31	$2,215,593
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2012-12-31	$4,423,343
Assets. Corporate common stocks other than exployer securities at end of year	2012-12-31	$1,094,271
Assets. Corporate common stocks other than exployer securities at beginning of year	2012-12-31	$1,092,246
Did the plan have assets held for investment	2012-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2012-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2012-12-31	No
Aggregate proceeds on sale of assets	2012-12-31	$77,157
Aggregate carrying amount (costs) on sale of assets	2012-12-31	$77,985
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2012-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2012-12-31	Disclaimer
Accountancy firm name	2012-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2012-12-31	134008324
2011 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2011 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2011-12-31	$-11,732
Total unrealized appreciation/depreciation of assets	2011-12-31	$-11,732
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2011-12-31	$0
Total income from all sources (including contributions)	2011-12-31	$3,927,984
Total loss/gain on sale of assets	2011-12-31	$428
Total of all expenses incurred	2011-12-31	$2,428,820
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2011-12-31	$2,425,807
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2011-12-31	$6,542,739
Value of total assets at end of year	2011-12-31	$58,958,593
Value of total assets at beginning of year	2011-12-31	$57,459,429
Total of administrative expenses incurred including professional, contract, advisory and management fees	2011-12-31	$3,013
Total interest from all sources	2011-12-31	$71,979
Total dividends received (eg from common stock, registered investment company shares)	2011-12-31	$1,150,456
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2011-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2011-12-31	$1,150,456
Was this plan covered by a fidelity bond	2011-12-31	Yes
Value of fidelity bond cover	2011-12-31	$500,000
If this is an individual account plan, was there a blackout period	2011-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2011-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2011-12-31	No
Contributions received from participants	2011-12-31	$4,780,488
Participant contributions at end of year	2011-12-31	$531,670
Participant contributions at beginning of year	2011-12-31	$497,719
Income. Received or receivable in cash from other sources (including rollovers)	2011-12-31	$203,990
Administrative expenses (other) incurred	2011-12-31	$3,013
Total non interest bearing cash at end of year	2011-12-31	$1,463,871
Total non interest bearing cash at beginning of year	2011-12-31	$599,183
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Value of net income/loss	2011-12-31	$1,499,164
Value of net assets at end of year (total assets less liabilities)	2011-12-31	$58,958,593
Value of net assets at beginning of year (total assets less liabilities)	2011-12-31	$57,459,429
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2011-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2011-12-31	No
Were any leases to which the plan was party in default or uncollectible	2011-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2011-12-31	$54,684,451
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2011-12-31	$52,557,729
Interest on participant loans	2011-12-31	$26,365
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2011-12-31	$45,614
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2011-12-31	$-3,825,886
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2011-12-31	No
Was there a failure to transmit to the plan any participant contributions	2011-12-31	Yes
Has the plan failed to provide any benefit when due under the plan	2011-12-31	No
Contributions received in cash from employer	2011-12-31	$1,558,261
Employer contributions (assets) at end of year	2011-12-31	$1,186,355
Employer contributions (assets) at beginning of year	2011-12-31	$2,731,135
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2011-12-31	$2,425,807
Assets. Corporate common stocks other than exployer securities at end of year	2011-12-31	$1,092,246
Assets. Corporate common stocks other than exployer securities at beginning of year	2011-12-31	$1,073,663
Did the plan have assets held for investment	2011-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2011-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2011-12-31	No
Aggregate proceeds on sale of assets	2011-12-31	$66,653
Aggregate carrying amount (costs) on sale of assets	2011-12-31	$66,225
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2011-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2011-12-31	Disclaimer
Accountancy firm name	2011-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2011-12-31	134008324
2010 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2010 401k financial data
Unrealized appreciation/depreciation of other (non real estate) assets	2010-12-31	$168,355
Total unrealized appreciation/depreciation of assets	2010-12-31	$168,355
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2010-12-31	$0
Total income from all sources (including contributions)	2010-12-31	$15,024,924
Total loss/gain on sale of assets	2010-12-31	$-30,049
Total of all expenses incurred	2010-12-31	$2,813,720
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2010-12-31	$2,797,335
Expenses. Certain deemed distributions of participant loans	2010-12-31	$3,528
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2010-12-31	$8,057,283
Value of total assets at end of year	2010-12-31	$57,459,429
Value of total assets at beginning of year	2010-12-31	$45,248,225
Total of administrative expenses incurred including professional, contract, advisory and management fees	2010-12-31	$12,857
Total interest from all sources	2010-12-31	$90,054
Total dividends received (eg from common stock, registered investment company shares)	2010-12-31	$695,340
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2010-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2010-12-31	$695,340
Was this plan covered by a fidelity bond	2010-12-31	Yes
Value of fidelity bond cover	2010-12-31	$500,000
If this is an individual account plan, was there a blackout period	2010-12-31	No
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2010-12-31	$0
Were there any nonexempt tranactions with any party-in-interest	2010-12-31	No
Contributions received from participants	2010-12-31	$3,805,469
Participant contributions at end of year	2010-12-31	$497,719
Participant contributions at beginning of year	2010-12-31	$326,668
Income. Received or receivable in cash from other sources (including rollovers)	2010-12-31	$912,735
Administrative expenses (other) incurred	2010-12-31	$12,857
Total non interest bearing cash at end of year	2010-12-31	$599,183
Total non interest bearing cash at beginning of year	2010-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Value of net income/loss	2010-12-31	$12,211,204
Value of net assets at end of year (total assets less liabilities)	2010-12-31	$57,459,429
Value of net assets at beginning of year (total assets less liabilities)	2010-12-31	$45,248,225
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2010-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2010-12-31	No
Were any leases to which the plan was party in default or uncollectible	2010-12-31	No
Value of interest in registered invesment companies (eg mutual funds) at end of year	2010-12-31	$52,557,729
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2010-12-31	$42,334,532
Interest on participant loans	2010-12-31	$25,980
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2010-12-31	$0
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2010-12-31	$36,789
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2010-12-31	$36,789
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2010-12-31	$64,074
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2010-12-31	$6,043,941
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2010-12-31	No
Was there a failure to transmit to the plan any participant contributions	2010-12-31	Yes
Has the plan failed to provide any benefit when due under the plan	2010-12-31	No
Contributions received in cash from employer	2010-12-31	$3,339,079
Employer contributions (assets) at end of year	2010-12-31	$2,731,135
Employer contributions (assets) at beginning of year	2010-12-31	$1,984,302
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2010-12-31	$2,797,335
Assets. Corporate common stocks other than exployer securities at end of year	2010-12-31	$1,073,663
Assets. Corporate common stocks other than exployer securities at beginning of year	2010-12-31	$565,934
Did the plan have assets held for investment	2010-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2010-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2010-12-31	No
Aggregate proceeds on sale of assets	2010-12-31	$141,905
Aggregate carrying amount (costs) on sale of assets	2010-12-31	$171,954
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2010-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2010-12-31	Disclaimer
Accountancy firm name	2010-12-31	PRICEWATERHOUSECOOPERS LLP
Accountancy firm EIN	2010-12-31	134008324
2009 : AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2009 401k financial data
Total value of distributions paid in property other than in cash, annuity contracts, or publicly traded employer securities	2009-12-31	$0

Form 5500 Responses for AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN

2022: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2022 form 5500 responses
2022-01-01	Type of plan entity	Single employer plan
2022-01-01	Submission has been amended	No
2022-01-01	This submission is the final filing	No
2022-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2022-01-01	Plan is a collectively bargained plan	No
2022-01-01	Plan funding arrangement – Trust	Yes
2022-01-01	Plan benefit arrangement - Trust	Yes
2021: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	Submission has been amended	No
2021-01-01	This submission is the final filing	No
2021-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2021-01-01	Plan is a collectively bargained plan	No
2021-01-01	Plan funding arrangement – Trust	Yes
2021-01-01	Plan benefit arrangement - Trust	Yes
2020: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2020 form 5500 responses
2020-01-01	Type of plan entity	Single employer plan
2020-01-01	Submission has been amended	No
2020-01-01	This submission is the final filing	No
2020-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2020-01-01	Plan is a collectively bargained plan	No
2020-01-01	Plan funding arrangement – Trust	Yes
2020-01-01	Plan benefit arrangement - Trust	Yes
2019: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2019 form 5500 responses
2019-01-01	Type of plan entity	Single employer plan
2019-01-01	Submission has been amended	No
2019-01-01	This submission is the final filing	No
2019-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2019-01-01	Plan is a collectively bargained plan	No
2019-01-01	Plan funding arrangement – Trust	Yes
2019-01-01	Plan benefit arrangement - Trust	Yes
2018: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2018 form 5500 responses
2018-01-01	Type of plan entity	Single employer plan
2018-01-01	Submission has been amended	No
2018-01-01	This submission is the final filing	No
2018-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2018-01-01	Plan is a collectively bargained plan	No
2018-01-01	Plan funding arrangement – Trust	Yes
2018-01-01	Plan benefit arrangement - Trust	Yes
2017: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2017 form 5500 responses
2017-01-01	Type of plan entity	Single employer plan
2017-01-01	Submission has been amended	No
2017-01-01	This submission is the final filing	No
2017-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2017-01-01	Plan is a collectively bargained plan	No
2017-01-01	Plan funding arrangement – Trust	Yes
2017-01-01	Plan benefit arrangement - Trust	Yes
2016: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2016 form 5500 responses
2016-01-01	Type of plan entity	Single employer plan
2016-01-01	Submission has been amended	No
2016-01-01	This submission is the final filing	No
2016-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2016-01-01	Plan is a collectively bargained plan	No
2016-01-01	Plan funding arrangement – Trust	Yes
2016-01-01	Plan benefit arrangement - Trust	Yes
2015: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2015 form 5500 responses
2015-01-01	Type of plan entity	Single employer plan
2015-01-01	Submission has been amended	No
2015-01-01	This submission is the final filing	No
2015-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2015-01-01	Plan is a collectively bargained plan	No
2015-01-01	Plan funding arrangement – Trust	Yes
2015-01-01	Plan benefit arrangement - Trust	Yes
2014: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2014 form 5500 responses
2014-01-01	Type of plan entity	Single employer plan
2014-01-01	Submission has been amended	No
2014-01-01	This submission is the final filing	No
2014-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2014-01-01	Plan is a collectively bargained plan	No
2014-01-01	Plan funding arrangement – Trust	Yes
2014-01-01	Plan benefit arrangement - Trust	Yes
2013: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2013 form 5500 responses
2013-01-01	Type of plan entity	Single employer plan
2013-01-01	Submission has been amended	No
2013-01-01	This submission is the final filing	No
2013-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2013-01-01	Plan is a collectively bargained plan	No
2013-01-01	Plan funding arrangement – Trust	Yes
2013-01-01	Plan benefit arrangement - Trust	Yes
2012: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2012 form 5500 responses
2012-01-01	Type of plan entity	Single employer plan
2012-01-01	Submission has been amended	No
2012-01-01	This submission is the final filing	No
2012-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2012-01-01	Plan is a collectively bargained plan	No
2012-01-01	Plan funding arrangement – Trust	Yes
2012-01-01	Plan benefit arrangement - Trust	Yes
2011: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2011 form 5500 responses
2011-01-01	Type of plan entity	Single employer plan
2011-01-01	Submission has been amended	No
2011-01-01	This submission is the final filing	No
2011-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2011-01-01	Plan is a collectively bargained plan	No
2011-01-01	Plan funding arrangement – Trust	Yes
2011-01-01	Plan benefit arrangement - Trust	Yes
2010: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2010 form 5500 responses
2010-01-01	Type of plan entity	Single employer plan
2010-01-01	Submission has been amended	No
2010-01-01	This submission is the final filing	No
2010-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2010-01-01	Plan is a collectively bargained plan	No
2010-01-01	Plan funding arrangement – Trust	Yes
2010-01-01	Plan benefit arrangement - Trust	Yes
2009: AFFILIATED MANAGERS GROUP, INC. 401(K) PROFIT SHARING PLAN 2009 form 5500 responses
2009-01-01	Type of plan entity	Single employer plan
2009-01-01	Submission has been amended	No
2009-01-01	This submission is the final filing	No
2009-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2009-01-01	Plan is a collectively bargained plan	No
2009-01-01	Plan funding arrangement – Trust	Yes
2009-01-01	Plan benefit arrangement - Trust	Yes

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Company Name:	AFFILIATED MANAGERS GROUP, INC.
Employer identification number (EIN):	043218510
NAIC Classification:	523900

Jurisdiction of Incorporation:	State of Delaware Division of Corporations
Incorporation Date:
Company Identification Number:	2365895