NORTHERN TRUST INVESTMENTS, INC. has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING
| Measure | Date | Value |
|---|
| 2023 : NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-07-31 | $1,245,919 |
| Total unrealized appreciation/depreciation of assets | 2023-07-31 | $1,245,919 |
| Total transfer of assets to this plan | 2023-07-31 | $153,669,452 |
| Total transfer of assets from this plan | 2023-07-31 | $60,220,672 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-07-31 | $23,645 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-07-31 | $22,561 |
| Total income from all sources (including contributions) | 2023-07-31 | $2,486,391 |
| Total loss/gain on sale of assets | 2023-07-31 | $-11,960,562 |
| Total of all expenses incurred | 2023-07-31 | $36,013 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-07-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-07-31 | $0 |
| Value of total assets at end of year | 2023-07-31 | $549,433,592 |
| Value of total assets at beginning of year | 2023-07-31 | $453,533,350 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-07-31 | $36,013 |
| Total interest from all sources | 2023-07-31 | $12,915,295 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-07-31 | $0 |
| Administrative expenses professional fees incurred | 2023-07-31 | $21,142 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-07-31 | $4,339,236 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-07-31 | $556,058 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-07-31 | $23,645 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-07-31 | $22,561 |
| Administrative expenses (other) incurred | 2023-07-31 | $14,871 |
| Value of net income/loss | 2023-07-31 | $2,450,378 |
| Value of net assets at end of year (total assets less liabilities) | 2023-07-31 | $549,409,947 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-07-31 | $453,510,789 |
| Income. Interest from US Government securities | 2023-07-31 | $83,793 |
| Income. Interest from corporate debt instruments | 2023-07-31 | $12,831,502 |
| Value of interest in common/collective trusts at end of year | 2023-07-31 | $2,073,545 |
| Value of interest in common/collective trusts at beginning of year | 2023-07-31 | $1,713,967 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-07-31 | $0 |
| Asset value of US Government securities at end of year | 2023-07-31 | $1,638,375 |
| Asset value of US Government securities at beginning of year | 2023-07-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2023-07-31 | $285,739 |
| Asset. Corporate debt instrument preferred debt at end of year | 2023-07-31 | $537,201,176 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2023-07-31 | $431,001,602 |
| Asset. Corporate debt instrument debt (other) at end of year | 2023-07-31 | $4,181,260 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-07-31 | $20,261,723 |
| Aggregate proceeds on sale of assets | 2023-07-31 | $414,263,051 |
| Aggregate carrying amount (costs) on sale of assets | 2023-07-31 | $426,223,613 |
| 2022 : NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-08-01 | $1,245,919 |
| Total unrealized appreciation/depreciation of assets | 2022-08-01 | $1,245,919 |
| Total transfer of assets to this plan | 2022-08-01 | $153,669,452 |
| Total transfer of assets from this plan | 2022-08-01 | $60,220,672 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-08-01 | $23,645 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-08-01 | $22,561 |
| Total income from all sources (including contributions) | 2022-08-01 | $2,486,391 |
| Total loss/gain on sale of assets | 2022-08-01 | $-11,960,562 |
| Total of all expenses incurred | 2022-08-01 | $36,013 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-08-01 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-08-01 | $0 |
| Value of total assets at end of year | 2022-08-01 | $549,433,592 |
| Value of total assets at beginning of year | 2022-08-01 | $453,533,350 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-08-01 | $36,013 |
| Total interest from all sources | 2022-08-01 | $12,915,295 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-08-01 | $0 |
| Administrative expenses professional fees incurred | 2022-08-01 | $21,142 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-08-01 | $4,339,236 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-08-01 | $556,058 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-08-01 | $23,645 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-08-01 | $22,561 |
| Administrative expenses (other) incurred | 2022-08-01 | $14,871 |
| Value of net income/loss | 2022-08-01 | $2,450,378 |
| Value of net assets at end of year (total assets less liabilities) | 2022-08-01 | $549,409,947 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-08-01 | $453,510,789 |
| Income. Interest from US Government securities | 2022-08-01 | $83,793 |
| Income. Interest from corporate debt instruments | 2022-08-01 | $12,831,502 |
| Value of interest in common/collective trusts at end of year | 2022-08-01 | $2,073,545 |
| Value of interest in common/collective trusts at beginning of year | 2022-08-01 | $1,713,967 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-08-01 | $0 |
| Asset value of US Government securities at end of year | 2022-08-01 | $1,638,375 |
| Asset value of US Government securities at beginning of year | 2022-08-01 | $0 |
| Net investment gain or loss from common/collective trusts | 2022-08-01 | $285,739 |
| Asset. Corporate debt instrument preferred debt at end of year | 2022-08-01 | $537,201,176 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2022-08-01 | $431,001,602 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-08-01 | $4,181,260 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-08-01 | $20,261,723 |
| Aggregate proceeds on sale of assets | 2022-08-01 | $414,263,051 |
| Aggregate carrying amount (costs) on sale of assets | 2022-08-01 | $426,223,613 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-07-31 | $-25,126,406 |
| Total unrealized appreciation/depreciation of assets | 2022-07-31 | $-25,126,406 |
| Total transfer of assets to this plan | 2022-07-31 | $93,421,407 |
| Total transfer of assets from this plan | 2022-07-31 | $147,115,920 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-07-31 | $22,561 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-07-31 | $21,417 |
| Total income from all sources (including contributions) | 2022-07-31 | $-21,318,726 |
| Total loss/gain on sale of assets | 2022-07-31 | $-1,874,281 |
| Total of all expenses incurred | 2022-07-31 | $35,787 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-07-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-07-31 | $0 |
| Value of total assets at end of year | 2022-07-31 | $453,533,350 |
| Value of total assets at beginning of year | 2022-07-31 | $528,581,232 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-07-31 | $35,787 |
| Total interest from all sources | 2022-07-31 | $5,652,148 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-07-31 | $0 |
| Administrative expenses professional fees incurred | 2022-07-31 | $20,783 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-07-31 | $556,058 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-07-31 | $575,316 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-07-31 | $22,561 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-07-31 | $21,417 |
| Administrative expenses (other) incurred | 2022-07-31 | $15,004 |
| Value of net income/loss | 2022-07-31 | $-21,354,513 |
| Value of net assets at end of year (total assets less liabilities) | 2022-07-31 | $453,510,789 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-07-31 | $528,559,815 |
| Income. Interest from corporate debt instruments | 2022-07-31 | $5,652,148 |
| Value of interest in common/collective trusts at end of year | 2022-07-31 | $1,713,967 |
| Value of interest in common/collective trusts at beginning of year | 2022-07-31 | $8,915,815 |
| Net investment gain or loss from common/collective trusts | 2022-07-31 | $29,813 |
| Asset. Corporate debt instrument preferred debt at end of year | 2022-07-31 | $431,001,602 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2022-07-31 | $496,613,499 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-07-31 | $20,261,723 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-07-31 | $22,476,602 |
| Aggregate proceeds on sale of assets | 2022-07-31 | $347,911,524 |
| Aggregate carrying amount (costs) on sale of assets | 2022-07-31 | $349,785,805 |
| 2021 : NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-07-31 | $-10,915,956 |
| Total unrealized appreciation/depreciation of assets | 2021-07-31 | $-10,915,956 |
| Total transfer of assets to this plan | 2021-07-31 | $105,992,269 |
| Total transfer of assets from this plan | 2021-07-31 | $232,299,977 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-07-31 | $21,417 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-07-31 | $1,046,393 |
| Total income from all sources (including contributions) | 2021-07-31 | $6,203,252 |
| Total loss/gain on sale of assets | 2021-07-31 | $7,331,783 |
| Total of all expenses incurred | 2021-07-31 | $47,183 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2021-07-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2021-07-31 | $0 |
| Value of total assets at end of year | 2021-07-31 | $528,581,232 |
| Value of total assets at beginning of year | 2021-07-31 | $649,757,847 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-07-31 | $47,183 |
| Total interest from all sources | 2021-07-31 | $9,766,466 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-07-31 | $0 |
| Administrative expenses professional fees incurred | 2021-07-31 | $18,448 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-07-31 | $575,316 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-07-31 | $879,592 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-07-31 | $21,417 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-07-31 | $1,046,393 |
| Administrative expenses (other) incurred | 2021-07-31 | $28,735 |
| Value of net income/loss | 2021-07-31 | $6,156,069 |
| Value of net assets at end of year (total assets less liabilities) | 2021-07-31 | $528,559,815 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-07-31 | $648,711,454 |
| Income. Interest from US Government securities | 2021-07-31 | $5,519 |
| Income. Interest from corporate debt instruments | 2021-07-31 | $9,760,945 |
| Value of interest in common/collective trusts at end of year | 2021-07-31 | $8,915,815 |
| Value of interest in common/collective trusts at beginning of year | 2021-07-31 | $17,127,430 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-07-31 | $2 |
| Net investment gain or loss from common/collective trusts | 2021-07-31 | $20,959 |
| Asset. Corporate debt instrument preferred debt at end of year | 2021-07-31 | $496,613,499 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2021-07-31 | $615,893,879 |
| Asset. Corporate debt instrument debt (other) at end of year | 2021-07-31 | $22,476,602 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-07-31 | $15,856,946 |
| Aggregate proceeds on sale of assets | 2021-07-31 | $603,075,270 |
| Aggregate carrying amount (costs) on sale of assets | 2021-07-31 | $595,743,487 |
| 2020 : NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-07-31 | $12,252,468 |
| Total unrealized appreciation/depreciation of assets | 2020-07-31 | $12,252,468 |
| Total transfer of assets to this plan | 2020-07-31 | $133,630,637 |
| Total transfer of assets from this plan | 2020-07-31 | $46,786,217 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-07-31 | $1,046,393 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-07-31 | $20,600 |
| Total income from all sources (including contributions) | 2020-07-31 | $29,989,923 |
| Total loss/gain on sale of assets | 2020-07-31 | $2,921,397 |
| Total of all expenses incurred | 2020-07-31 | $44,419 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2020-07-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2020-07-31 | $0 |
| Value of total assets at end of year | 2020-07-31 | $649,757,847 |
| Value of total assets at beginning of year | 2020-07-31 | $531,942,130 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-07-31 | $44,419 |
| Total interest from all sources | 2020-07-31 | $14,725,997 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-07-31 | $0 |
| Administrative expenses professional fees incurred | 2020-07-31 | $18,146 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-07-31 | $879,592 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-07-31 | $913,836 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-07-31 | $1,046,393 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-07-31 | $20,600 |
| Administrative expenses (other) incurred | 2020-07-31 | $26,273 |
| Value of net income/loss | 2020-07-31 | $29,945,504 |
| Value of net assets at end of year (total assets less liabilities) | 2020-07-31 | $648,711,454 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-07-31 | $531,921,530 |
| Income. Interest from US Government securities | 2020-07-31 | $4,602 |
| Income. Interest from corporate debt instruments | 2020-07-31 | $14,721,395 |
| Value of interest in common/collective trusts at end of year | 2020-07-31 | $17,127,430 |
| Value of interest in common/collective trusts at beginning of year | 2020-07-31 | $2,103,160 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-07-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2020-07-31 | $90,061 |
| Asset. Corporate debt instrument preferred debt at end of year | 2020-07-31 | $615,893,879 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2020-07-31 | $515,649,113 |
| Asset. Corporate debt instrument debt (other) at end of year | 2020-07-31 | $15,856,946 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-07-31 | $13,276,021 |
| Aggregate proceeds on sale of assets | 2020-07-31 | $262,657,990 |
| Aggregate carrying amount (costs) on sale of assets | 2020-07-31 | $259,736,593 |
| 2019 : NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-07-31 | $11,947,977 |
| Total unrealized appreciation/depreciation of assets | 2019-07-31 | $11,947,977 |
| Total transfer of assets to this plan | 2019-07-31 | $90,323,442 |
| Total transfer of assets from this plan | 2019-07-31 | $25,602,547 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-07-31 | $20,600 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-07-31 | $2,019,732 |
| Total income from all sources (including contributions) | 2019-07-31 | $22,963,664 |
| Total loss/gain on sale of assets | 2019-07-31 | $-1,409,405 |
| Total of all expenses incurred | 2019-07-31 | $34,729 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-07-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2019-07-31 | $0 |
| Value of total assets at end of year | 2019-07-31 | $531,942,130 |
| Value of total assets at beginning of year | 2019-07-31 | $446,291,432 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-07-31 | $34,729 |
| Total interest from all sources | 2019-07-31 | $12,244,326 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-07-31 | $0 |
| Administrative expenses professional fees incurred | 2019-07-31 | $17,801 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-07-31 | $913,836 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-07-31 | $748,817 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-07-31 | $20,600 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-07-31 | $2,019,732 |
| Administrative expenses (other) incurred | 2019-07-31 | $16,928 |
| Value of net income/loss | 2019-07-31 | $22,928,935 |
| Value of net assets at end of year (total assets less liabilities) | 2019-07-31 | $531,921,530 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-07-31 | $444,271,700 |
| Income. Interest from US Government securities | 2019-07-31 | $8,126 |
| Income. Interest from corporate debt instruments | 2019-07-31 | $12,236,200 |
| Value of interest in common/collective trusts at end of year | 2019-07-31 | $2,103,160 |
| Value of interest in common/collective trusts at beginning of year | 2019-07-31 | $6,149,992 |
| Net investment gain or loss from common/collective trusts | 2019-07-31 | $180,766 |
| Asset. Corporate debt instrument preferred debt at end of year | 2019-07-31 | $515,649,113 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2019-07-31 | $427,572,962 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-07-31 | $13,276,021 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-07-31 | $11,819,661 |
| Aggregate proceeds on sale of assets | 2019-07-31 | $243,121,455 |
| Aggregate carrying amount (costs) on sale of assets | 2019-07-31 | $244,530,860 |
| 2018 : NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-07-31 | $-6,842,959 |
| Total unrealized appreciation/depreciation of assets | 2018-07-31 | $-6,842,959 |
| Total transfer of assets to this plan | 2018-07-31 | $74,007,895 |
| Total transfer of assets from this plan | 2018-07-31 | $35,372,565 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-07-31 | $2,019,732 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-07-31 | $19,892 |
| Total income from all sources (including contributions) | 2018-07-31 | $717,907 |
| Total loss/gain on sale of assets | 2018-07-31 | $-1,661,289 |
| Total of all expenses incurred | 2018-07-31 | $32,052 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2018-07-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2018-07-31 | $0 |
| Value of total assets at end of year | 2018-07-31 | $446,291,432 |
| Value of total assets at beginning of year | 2018-07-31 | $404,970,407 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-07-31 | $32,052 |
| Total interest from all sources | 2018-07-31 | $9,129,444 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-07-31 | $0 |
| Administrative expenses professional fees incurred | 2018-07-31 | $17,718 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-07-31 | $748,817 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-07-31 | $597,434 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-07-31 | $2,019,732 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-07-31 | $19,892 |
| Administrative expenses (other) incurred | 2018-07-31 | $14,334 |
| Value of net income/loss | 2018-07-31 | $685,855 |
| Value of net assets at end of year (total assets less liabilities) | 2018-07-31 | $444,271,700 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-07-31 | $404,950,515 |
| Income. Interest from corporate debt instruments | 2018-07-31 | $9,129,444 |
| Value of interest in common/collective trusts at end of year | 2018-07-31 | $6,149,992 |
| Value of interest in common/collective trusts at beginning of year | 2018-07-31 | $4,301,981 |
| Net investment gain or loss from common/collective trusts | 2018-07-31 | $92,711 |
| Asset. Corporate debt instrument preferred debt at end of year | 2018-07-31 | $427,572,962 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2018-07-31 | $387,788,813 |
| Asset. Corporate debt instrument debt (other) at end of year | 2018-07-31 | $11,819,661 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2018-07-31 | $12,282,179 |
| Aggregate proceeds on sale of assets | 2018-07-31 | $226,837,326 |
| Aggregate carrying amount (costs) on sale of assets | 2018-07-31 | $228,498,615 |
| 2017 : NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-07-31 | $-4,074,951 |
| Total unrealized appreciation/depreciation of assets | 2017-07-31 | $-4,074,951 |
| Total transfer of assets to this plan | 2017-07-31 | $40,090,140 |
| Total transfer of assets from this plan | 2017-07-31 | $16,068,766 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-07-31 | $19,892 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-07-31 | $1,458,151 |
| Total income from all sources (including contributions) | 2017-07-31 | $3,828,909 |
| Total loss/gain on sale of assets | 2017-07-31 | $747,227 |
| Total of all expenses incurred | 2017-07-31 | $39,099 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-07-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-07-31 | $0 |
| Value of total assets at end of year | 2017-07-31 | $404,970,407 |
| Value of total assets at beginning of year | 2017-07-31 | $378,597,482 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-07-31 | $39,099 |
| Total interest from all sources | 2017-07-31 | $7,112,017 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-07-31 | $0 |
| Administrative expenses professional fees incurred | 2017-07-31 | $17,360 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-07-31 | $597,434 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-07-31 | $2,088,842 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-07-31 | $19,892 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-07-31 | $1,458,151 |
| Administrative expenses (other) incurred | 2017-07-31 | $21,739 |
| Value of net income/loss | 2017-07-31 | $3,789,810 |
| Value of net assets at end of year (total assets less liabilities) | 2017-07-31 | $404,950,515 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-07-31 | $377,139,331 |
| Income. Interest from corporate debt instruments | 2017-07-31 | $7,112,017 |
| Value of interest in common/collective trusts at end of year | 2017-07-31 | $4,301,981 |
| Value of interest in common/collective trusts at beginning of year | 2017-07-31 | $589,696 |
| Net investment gain or loss from common/collective trusts | 2017-07-31 | $44,616 |
| Asset. Corporate debt instrument preferred debt at end of year | 2017-07-31 | $387,788,813 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2017-07-31 | $366,596,154 |
| Asset. Corporate debt instrument debt (other) at end of year | 2017-07-31 | $12,282,179 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2017-07-31 | $9,322,790 |
| Aggregate proceeds on sale of assets | 2017-07-31 | $222,310,269 |
| Aggregate carrying amount (costs) on sale of assets | 2017-07-31 | $221,563,042 |
| 2016 : NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-07-31 | $2,275,047 |
| Total unrealized appreciation/depreciation of assets | 2016-07-31 | $2,275,047 |
| Total transfer of assets to this plan | 2016-07-31 | $17,192,522 |
| Total transfer of assets from this plan | 2016-07-31 | $18,077,101 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-07-31 | $1,458,151 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-07-31 | $1,017,360 |
| Total income from all sources (including contributions) | 2016-07-31 | $9,368,001 |
| Total loss/gain on sale of assets | 2016-07-31 | $236,490 |
| Total of all expenses incurred | 2016-07-31 | $37,406 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2016-07-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2016-07-31 | $0 |
| Value of total assets at end of year | 2016-07-31 | $378,597,482 |
| Value of total assets at beginning of year | 2016-07-31 | $369,710,675 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-07-31 | $37,406 |
| Total interest from all sources | 2016-07-31 | $6,837,283 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-07-31 | $0 |
| Administrative expenses professional fees incurred | 2016-07-31 | $16,587 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-07-31 | $2,088,842 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-07-31 | $727,524 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2016-07-31 | $1,458,151 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2016-07-31 | $1,017,360 |
| Administrative expenses (other) incurred | 2016-07-31 | $20,819 |
| Value of net income/loss | 2016-07-31 | $9,330,595 |
| Value of net assets at end of year (total assets less liabilities) | 2016-07-31 | $377,139,331 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-07-31 | $368,693,315 |
| Income. Interest from corporate debt instruments | 2016-07-31 | $6,837,283 |
| Value of interest in common/collective trusts at end of year | 2016-07-31 | $589,696 |
| Value of interest in common/collective trusts at beginning of year | 2016-07-31 | $1,934,356 |
| Net investment gain or loss from common/collective trusts | 2016-07-31 | $19,181 |
| Asset. Corporate debt instrument preferred debt at end of year | 2016-07-31 | $366,596,154 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2016-07-31 | $357,652,346 |
| Asset. Corporate debt instrument debt (other) at end of year | 2016-07-31 | $9,322,790 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2016-07-31 | $9,396,449 |
| Aggregate proceeds on sale of assets | 2016-07-31 | $161,577,204 |
| Aggregate carrying amount (costs) on sale of assets | 2016-07-31 | $161,340,714 |
| 2015 : NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-07-31 | $-101,532 |
| Total unrealized appreciation/depreciation of assets | 2015-07-31 | $-101,532 |
| Total transfer of assets to this plan | 2015-07-31 | $65,415,573 |
| Total transfer of assets from this plan | 2015-07-31 | $92,270,694 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-07-31 | $1,017,360 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2015-07-31 | $3,616,232 |
| Total income from all sources (including contributions) | 2015-07-31 | $7,819,499 |
| Total loss/gain on sale of assets | 2015-07-31 | $1,423,532 |
| Total of all expenses incurred | 2015-07-31 | $38,327 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2015-07-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2015-07-31 | $0 |
| Value of total assets at end of year | 2015-07-31 | $369,710,675 |
| Value of total assets at beginning of year | 2015-07-31 | $391,383,496 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-07-31 | $38,327 |
| Total interest from all sources | 2015-07-31 | $6,489,558 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-07-31 | $0 |
| Administrative expenses professional fees incurred | 2015-07-31 | $15,424 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-07-31 | $727,524 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-07-31 | $1,171,923 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2015-07-31 | $1,017,360 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2015-07-31 | $3,616,232 |
| Administrative expenses (other) incurred | 2015-07-31 | $22,903 |
| Value of net income/loss | 2015-07-31 | $7,781,172 |
| Value of net assets at end of year (total assets less liabilities) | 2015-07-31 | $368,693,315 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-07-31 | $387,767,264 |
| Income. Interest from corporate debt instruments | 2015-07-31 | $6,489,558 |
| Value of interest in common/collective trusts at end of year | 2015-07-31 | $1,934,356 |
| Value of interest in common/collective trusts at beginning of year | 2015-07-31 | $3,866,160 |
| Net investment gain or loss from common/collective trusts | 2015-07-31 | $7,941 |
| Asset. Corporate debt instrument preferred debt at end of year | 2015-07-31 | $357,652,346 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2015-07-31 | $374,755,051 |
| Asset. Corporate debt instrument debt (other) at end of year | 2015-07-31 | $9,396,449 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2015-07-31 | $11,590,362 |
| Aggregate proceeds on sale of assets | 2015-07-31 | $244,959,366 |
| Aggregate carrying amount (costs) on sale of assets | 2015-07-31 | $243,535,834 |
| 2014 : NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-07-31 | $-1,890,377 |
| Total unrealized appreciation/depreciation of assets | 2014-07-31 | $-1,890,377 |
| Total transfer of assets to this plan | 2014-07-31 | $59,681,840 |
| Total transfer of assets from this plan | 2014-07-31 | $169,746,178 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-07-31 | $3,616,232 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-07-31 | $4,516,735 |
| Total income from all sources (including contributions) | 2014-07-31 | $8,465,533 |
| Total loss/gain on sale of assets | 2014-07-31 | $3,412,616 |
| Total of all expenses incurred | 2014-07-31 | $41,880 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2014-07-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2014-07-31 | $0 |
| Value of total assets at end of year | 2014-07-31 | $391,383,496 |
| Value of total assets at beginning of year | 2014-07-31 | $493,924,684 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-07-31 | $41,880 |
| Total interest from all sources | 2014-07-31 | $6,936,201 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-07-31 | $0 |
| Administrative expenses professional fees incurred | 2014-07-31 | $15,406 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-07-31 | $1,171,923 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-07-31 | $5,947,703 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2014-07-31 | $3,616,232 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2014-07-31 | $4,516,735 |
| Administrative expenses (other) incurred | 2014-07-31 | $26,474 |
| Value of net income/loss | 2014-07-31 | $8,423,653 |
| Value of net assets at end of year (total assets less liabilities) | 2014-07-31 | $387,767,264 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-07-31 | $489,407,949 |
| Income. Interest from corporate debt instruments | 2014-07-31 | $6,936,201 |
| Value of interest in common/collective trusts at end of year | 2014-07-31 | $3,866,160 |
| Value of interest in common/collective trusts at beginning of year | 2014-07-31 | $467,919 |
| Net investment gain or loss from common/collective trusts | 2014-07-31 | $7,093 |
| Asset. Corporate debt instrument preferred debt at end of year | 2014-07-31 | $374,755,051 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2014-07-31 | $468,886,216 |
| Asset. Corporate debt instrument debt (other) at end of year | 2014-07-31 | $11,590,362 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2014-07-31 | $18,622,846 |
| Aggregate proceeds on sale of assets | 2014-07-31 | $351,100,541 |
| Aggregate carrying amount (costs) on sale of assets | 2014-07-31 | $347,687,925 |
| 2013 : NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-07-31 | $-22,182,168 |
| Total unrealized appreciation/depreciation of assets | 2013-07-31 | $-22,182,168 |
| Total transfer of assets to this plan | 2013-07-31 | $56,107,332 |
| Total transfer of assets from this plan | 2013-07-31 | $105,249,671 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-07-31 | $4,516,735 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-07-31 | $21,547,047 |
| Total income from all sources (including contributions) | 2013-07-31 | $-1,239,014 |
| Total loss/gain on sale of assets | 2013-07-31 | $10,610,626 |
| Total of all expenses incurred | 2013-07-31 | $63,848 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2013-07-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2013-07-31 | $0 |
| Value of total assets at end of year | 2013-07-31 | $493,924,684 |
| Value of total assets at beginning of year | 2013-07-31 | $561,400,197 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-07-31 | $63,848 |
| Total interest from all sources | 2013-07-31 | $10,319,839 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-07-31 | $0 |
| Administrative expenses professional fees incurred | 2013-07-31 | $15,149 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-07-31 | $5,947,703 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-07-31 | $23,292,367 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2013-07-31 | $4,516,735 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2013-07-31 | $21,547,047 |
| Administrative expenses (other) incurred | 2013-07-31 | $48,699 |
| Value of net income/loss | 2013-07-31 | $-1,302,862 |
| Value of net assets at end of year (total assets less liabilities) | 2013-07-31 | $489,407,949 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-07-31 | $539,853,150 |
| Income. Interest from corporate debt instruments | 2013-07-31 | $10,319,839 |
| Value of interest in common/collective trusts at end of year | 2013-07-31 | $467,919 |
| Value of interest in common/collective trusts at beginning of year | 2013-07-31 | $2,078,924 |
| Net investment gain or loss from common/collective trusts | 2013-07-31 | $12,689 |
| Asset. Corporate debt instrument preferred debt at end of year | 2013-07-31 | $468,886,216 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2013-07-31 | $525,147,519 |
| Asset. Corporate debt instrument debt (other) at end of year | 2013-07-31 | $18,622,846 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2013-07-31 | $10,881,387 |
| Aggregate proceeds on sale of assets | 2013-07-31 | $372,510,712 |
| Aggregate carrying amount (costs) on sale of assets | 2013-07-31 | $361,900,086 |
| 2012 : NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-07-31 | $3,095,596 |
| Total unrealized appreciation/depreciation of assets | 2012-07-31 | $3,095,596 |
| Total transfer of assets to this plan | 2012-07-31 | $83,630,152 |
| Total transfer of assets from this plan | 2012-07-31 | $11,944,375 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-07-31 | $21,547,047 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-07-31 | $1,319,337 |
| Total income from all sources (including contributions) | 2012-07-31 | $21,545,545 |
| Total loss/gain on sale of assets | 2012-07-31 | $4,028,069 |
| Total of all expenses incurred | 2012-07-31 | $70,393 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2012-07-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2012-07-31 | $0 |
| Value of total assets at end of year | 2012-07-31 | $561,400,197 |
| Value of total assets at beginning of year | 2012-07-31 | $448,011,558 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-07-31 | $70,393 |
| Total interest from all sources | 2012-07-31 | $14,413,994 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-07-31 | $0 |
| Administrative expenses professional fees incurred | 2012-07-31 | $14,604 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-07-31 | $23,292,367 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-07-31 | $2,815,050 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-07-31 | $21,547,047 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2012-07-31 | $1,319,337 |
| Administrative expenses (other) incurred | 2012-07-31 | $55,789 |
| Value of net income/loss | 2012-07-31 | $21,475,152 |
| Value of net assets at end of year (total assets less liabilities) | 2012-07-31 | $539,853,150 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-07-31 | $446,692,221 |
| Income. Interest from corporate debt instruments | 2012-07-31 | $14,413,994 |
| Value of interest in common/collective trusts at end of year | 2012-07-31 | $2,078,924 |
| Value of interest in common/collective trusts at beginning of year | 2012-07-31 | $1,655,421 |
| Net investment gain or loss from common/collective trusts | 2012-07-31 | $7,886 |
| Asset. Corporate debt instrument preferred debt at end of year | 2012-07-31 | $525,147,519 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2012-07-31 | $418,170,537 |
| Asset. Corporate debt instrument debt (other) at end of year | 2012-07-31 | $10,881,387 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2012-07-31 | $25,370,550 |
| Aggregate proceeds on sale of assets | 2012-07-31 | $230,138,011 |
| Aggregate carrying amount (costs) on sale of assets | 2012-07-31 | $226,109,942 |
| 2011 : NTGI-QM COLLECTIVE DAILY ASSET-BACKED SECURITIES INDEX FUND - NON LENDING 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-07-31 | $-5,006,244 |
| Total unrealized appreciation/depreciation of assets | 2011-07-31 | $-5,006,244 |
| Total transfer of assets to this plan | 2011-07-31 | $103,037,308 |
| Total transfer of assets from this plan | 2011-07-31 | $142,820,043 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-07-31 | $1,319,337 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-07-31 | $13,240,112 |
| Total income from all sources (including contributions) | 2011-07-31 | $14,757,878 |
| Total loss/gain on sale of assets | 2011-07-31 | $3,511,180 |
| Total of all expenses incurred | 2011-07-31 | $62,874 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2011-07-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2011-07-31 | $0 |
| Value of total assets at end of year | 2011-07-31 | $448,011,558 |
| Value of total assets at beginning of year | 2011-07-31 | $485,020,064 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-07-31 | $62,874 |
| Total interest from all sources | 2011-07-31 | $16,246,853 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-07-31 | $0 |
| Administrative expenses professional fees incurred | 2011-07-31 | $14,278 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-07-31 | $2,815,050 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-07-31 | $7,987,758 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2011-07-31 | $1,319,337 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2011-07-31 | $13,240,112 |
| Administrative expenses (other) incurred | 2011-07-31 | $48,596 |
| Value of net income/loss | 2011-07-31 | $14,695,004 |
| Value of net assets at end of year (total assets less liabilities) | 2011-07-31 | $446,692,221 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-07-31 | $471,779,952 |
| Income. Interest from corporate debt instruments | 2011-07-31 | $16,246,853 |
| Value of interest in common/collective trusts at end of year | 2011-07-31 | $1,655,421 |
| Value of interest in common/collective trusts at beginning of year | 2011-07-31 | $8,967,909 |
| Net investment gain or loss from common/collective trusts | 2011-07-31 | $6,089 |
| Asset. Corporate debt instrument preferred debt at end of year | 2011-07-31 | $418,170,537 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2011-07-31 | $441,618,759 |
| Asset. Corporate debt instrument debt (other) at end of year | 2011-07-31 | $25,370,550 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2011-07-31 | $26,445,638 |
| Aggregate proceeds on sale of assets | 2011-07-31 | $156,476,377 |
| Aggregate carrying amount (costs) on sale of assets | 2011-07-31 | $152,965,197 |
