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| Company Name: | WILLIAM BLAIR & COMPANY, LLC |
| Employer identification number (EIN): | 362214610 |
| NAIC Classification: | 523110 |
| NAIC Description: | Investment Banking and Securities Dealing |
The following addresses have been detected on the 401k submissions:
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-06-30 | |||||
| USA Mailing Address | ||||||
|---|---|---|---|---|---|---|
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| Date first seen: 2017-10-09 | ||||||
| Date last seen: 2025-12-04 | ||||||
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 503 | WILLIAM BLAIR & COMPANY DEATH AND DISMEMBERMENT PROGRAM | 2015-01-01 | 1973-01-01 |
| 001 | WILLIAM BLAIR & COMPANY DEFERRED PROFIT SHARING PLAN | 2015-01-01 | 1953-12-14 |
| 502 | WILLIAM BLAIR & COMPANY GROUP LONG-TERM DISABILITY INSURANCE PROGRAM | 2015-01-01 | 1980-10-01 |
| 501 | WILLIAM BLAIR & COMPANY HEALTH BENEFITS PLAN | 2009-01-01 | 1973-01-01 |
| 005 | WBC HOLDINGS, L.P. PARTNERS' RETIREMENT PLAN | 2009-01-01 | 2005-01-01 |
| Date | Type of contribution | Contribution | Number of participants/employees | Average contribution per participant | |
|---|---|---|---|---|---|
| 2010-04-12 | Employer Contributions | $ 217,194 | 941 | $ 231 | |
| 2010-04-12 | Employee Contributions | $ 217,194 | 941 | $ 231 | |
| 2010-03-03 | Employer Contributions | $ 2,467,044 | 941 | $ 2,622 | |
| 2010-03-03 | Employee Contributions | $ 2,467,044 | 941 | $ 2,622 | |
| 2009-12-30 | Employer Contributions | $ 4,895,364 | 830 | $ 5,898 | |
| 2009-12-30 | Employee Contributions | $ 4,895,364 | 830 | $ 5,898 | |
| 2009-12-11 | Employer Contributions | $ 98,543 | 830 | $ 119 | |
| 2009-12-11 | Employee Contributions | $ 98,543 | 830 | $ 119 |