MDU RESOURCES GROUP, INC. has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan MDU RESOURCES GROUP, INC. MASTER TRUST
| Measure | Date | Value |
|---|
| 2023 : MDU RESOURCES GROUP, INC. MASTER TRUST 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $-1,416,965 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $-1,416,965 |
| Total transfer of assets to this plan | 2023-12-31 | $699,511,562 |
| Total transfer of assets from this plan | 2023-12-31 | $741,417,685 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $2,078,469 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-12-31 | $3,720,536 |
| Total income from all sources (including contributions) | 2023-12-31 | $23,654,041 |
| Total loss/gain on sale of assets | 2023-12-31 | $271,970 |
| Total of all expenses incurred | 2023-12-31 | $489,973 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-12-31 | $0 |
| Value of total assets at end of year | 2023-12-31 | $250,636,739 |
| Value of total assets at beginning of year | 2023-12-31 | $271,020,861 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $489,973 |
| Total interest from all sources | 2023-12-31 | $2,333,184 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $1,742,341 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-12-31 | $1,738,764 |
| Were there any nonexempt tranactions with any party-in-interest | 2023-12-31 | No |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-12-31 | $5,814,155 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-12-31 | $831,728 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-12-31 | $1,039,684 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-12-31 | $2,078,469 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-12-31 | $3,720,536 |
| Other income not declared elsewhere | 2023-12-31 | $-68,656 |
| Administrative expenses (other) incurred | 2023-12-31 | $0 |
| Value of net income/loss | 2023-12-31 | $23,164,068 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $248,558,270 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $267,300,325 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2023-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2023-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2023-12-31 | $5,079,539 |
| Assets. partnership/joint venture interests at beginning of year | 2023-12-31 | $5,561,739 |
| Investment advisory and management fees | 2023-12-31 | $454,816 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-12-31 | $124,831,296 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-12-31 | $123,917,234 |
| Interest earned on other investments | 2023-12-31 | $99,550 |
| Income. Interest from US Government securities | 2023-12-31 | $404,125 |
| Income. Interest from corporate debt instruments | 2023-12-31 | $1,628,540 |
| Value of interest in common/collective trusts at end of year | 2023-12-31 | $49,649,244 |
| Value of interest in common/collective trusts at beginning of year | 2023-12-31 | $33,672,060 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $7,178,406 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $8,231,043 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $8,231,043 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-12-31 | $200,969 |
| Asset value of US Government securities at end of year | 2023-12-31 | $63,066,526 |
| Asset value of US Government securities at beginning of year | 2023-12-31 | $5,149,162 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2023-12-31 | $16,153,861 |
| Net investment gain or loss from common/collective trusts | 2023-12-31 | $4,638,306 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2023-12-31 | Yes |
| Income. Dividends from common stock | 2023-12-31 | $3,577 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-12-31 | $79,200,894 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-12-31 | $8,434,890 |
| Did the plan have assets held for investment | 2023-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2023-12-31 | $120,456,987 |
| Aggregate carrying amount (costs) on sale of assets | 2023-12-31 | $120,185,017 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-01-01 | $-1,416,965 |
| Total unrealized appreciation/depreciation of assets | 2023-01-01 | $-1,416,965 |
| Total transfer of assets to this plan | 2023-01-01 | $699,511,562 |
| Total transfer of assets from this plan | 2023-01-01 | $741,417,685 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $2,078,469 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2023-01-01 | $3,720,536 |
| Total income from all sources (including contributions) | 2023-01-01 | $23,654,041 |
| Total loss/gain on sale of assets | 2023-01-01 | $271,970 |
| Total of all expenses incurred | 2023-01-01 | $489,973 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2023-01-01 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2023-01-01 | $0 |
| Value of total assets at end of year | 2023-01-01 | $250,636,739 |
| Value of total assets at beginning of year | 2023-01-01 | $271,020,861 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-01-01 | $489,973 |
| Total interest from all sources | 2023-01-01 | $2,333,184 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-01-01 | $1,742,341 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-01-01 | $1,738,764 |
| Were there any nonexempt tranactions with any party-in-interest | 2023-01-01 | No |
| Assets. Other investments not covered elsewhere at beginning of year | 2023-01-01 | $5,814,155 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2023-01-01 | $831,728 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2023-01-01 | $1,039,684 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2023-01-01 | $2,078,469 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2023-01-01 | $3,720,536 |
| Other income not declared elsewhere | 2023-01-01 | $-68,656 |
| Administrative expenses (other) incurred | 2023-01-01 | $0 |
| Value of net income/loss | 2023-01-01 | $23,164,068 |
| Value of net assets at end of year (total assets less liabilities) | 2023-01-01 | $248,558,270 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-01-01 | $267,300,325 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2023-01-01 | No |
| Were any leases to which the plan was party in default or uncollectible | 2023-01-01 | No |
| Assets. partnership/joint venture interests at end of year | 2023-01-01 | $5,079,539 |
| Assets. partnership/joint venture interests at beginning of year | 2023-01-01 | $5,561,739 |
| Investment advisory and management fees | 2023-01-01 | $454,816 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-01-01 | $124,831,296 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-01-01 | $123,917,234 |
| Interest earned on other investments | 2023-01-01 | $99,550 |
| Income. Interest from US Government securities | 2023-01-01 | $404,125 |
| Income. Interest from corporate debt instruments | 2023-01-01 | $1,628,540 |
| Value of interest in common/collective trusts at end of year | 2023-01-01 | $49,649,244 |
| Value of interest in common/collective trusts at beginning of year | 2023-01-01 | $33,672,060 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-01-01 | $7,178,406 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2023-01-01 | $200,969 |
| Asset value of US Government securities at end of year | 2023-01-01 | $63,066,526 |
| Asset value of US Government securities at beginning of year | 2023-01-01 | $5,149,162 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2023-01-01 | $16,153,861 |
| Net investment gain or loss from common/collective trusts | 2023-01-01 | $4,638,306 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2023-01-01 | Yes |
| Income. Dividends from common stock | 2023-01-01 | $3,577 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2023-01-01 | $79,200,894 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-01-01 | $8,434,890 |
| Did the plan have assets held for investment | 2023-01-01 | Yes |
| Aggregate proceeds on sale of assets | 2023-01-01 | $120,456,987 |
| Aggregate carrying amount (costs) on sale of assets | 2023-01-01 | $120,185,017 |
| 2022 : MDU RESOURCES GROUP, INC. MASTER TRUST 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-35,371,747 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-35,371,747 |
| Total transfer of assets to this plan | 2022-12-31 | $98,545,704 |
| Total transfer of assets from this plan | 2022-12-31 | $125,009,140 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $3,720,536 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $1,062,366 |
| Total income from all sources (including contributions) | 2022-12-31 | $-75,869,614 |
| Total loss/gain on sale of assets | 2022-12-31 | $-10,580,774 |
| Total of all expenses incurred | 2022-12-31 | $639,376 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-12-31 | $0 |
| Value of total assets at end of year | 2022-12-31 | $271,020,861 |
| Value of total assets at beginning of year | 2022-12-31 | $371,335,117 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $639,376 |
| Total interest from all sources | 2022-12-31 | $5,076,839 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $6,380,454 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-12-31 | $6,365,949 |
| Administrative expenses professional fees incurred | 2022-12-31 | $21,287 |
| Were there any nonexempt tranactions with any party-in-interest | 2022-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2022-12-31 | $5,814,155 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-12-31 | $7,422,992 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $1,039,684 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $1,174,514 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $3,720,536 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $1,062,366 |
| Administrative expenses (other) incurred | 2022-12-31 | $0 |
| Value of net income/loss | 2022-12-31 | $-76,508,990 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $267,300,325 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $370,272,751 |
| 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 |
| Assets. partnership/joint venture interests at end of year | 2022-12-31 | $5,561,739 |
| Assets. partnership/joint venture interests at beginning of year | 2022-12-31 | $6,460,097 |
| Investment advisory and management fees | 2022-12-31 | $618,089 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-12-31 | $123,917,234 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-12-31 | $167,178,321 |
| Interest earned on other investments | 2022-12-31 | $238,230 |
| Income. Interest from US Government securities | 2022-12-31 | $167,372 |
| Income. Interest from corporate debt instruments | 2022-12-31 | $4,630,272 |
| Value of interest in common/collective trusts at end of year | 2022-12-31 | $33,672,060 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $41,403,850 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $8,231,043 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $4,702,764 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $4,702,764 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $40,965 |
| Asset value of US Government securities at end of year | 2022-12-31 | $5,149,162 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $8,981,255 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-12-31 | $-35,744,239 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $-5,630,147 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-12-31 | Yes |
| Income. Dividends from common stock | 2022-12-31 | $14,505 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-12-31 | $79,200,894 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-12-31 | $124,183,174 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-12-31 | $8,434,890 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-12-31 | $9,828,150 |
| Did the plan have assets held for investment | 2022-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2022-12-31 | $47,302,358 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $57,883,132 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-01-01 | $-35,371,747 |
| Total unrealized appreciation/depreciation of assets | 2022-01-01 | $-35,371,747 |
| Total transfer of assets to this plan | 2022-01-01 | $98,545,704 |
| Total transfer of assets from this plan | 2022-01-01 | $125,009,140 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $3,720,536 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-01-01 | $1,062,366 |
| Total income from all sources (including contributions) | 2022-01-01 | $-75,869,614 |
| Total loss/gain on sale of assets | 2022-01-01 | $-10,580,774 |
| Total of all expenses incurred | 2022-01-01 | $639,376 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-01-01 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-01-01 | $0 |
| Value of total assets at end of year | 2022-01-01 | $271,020,861 |
| Value of total assets at beginning of year | 2022-01-01 | $371,335,117 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-01-01 | $639,376 |
| Total interest from all sources | 2022-01-01 | $5,076,839 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-01-01 | $6,380,454 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-01-01 | $6,365,949 |
| Administrative expenses professional fees incurred | 2022-01-01 | $21,287 |
| Were there any nonexempt tranactions with any party-in-interest | 2022-01-01 | No |
| Assets. Other investments not covered elsewhere at end of year | 2022-01-01 | $5,814,155 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-01-01 | $7,422,992 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-01-01 | $1,039,684 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-01-01 | $1,174,514 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-01-01 | $3,720,536 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-01-01 | $1,062,366 |
| Administrative expenses (other) incurred | 2022-01-01 | $0 |
| Value of net income/loss | 2022-01-01 | $-76,508,990 |
| Value of net assets at end of year (total assets less liabilities) | 2022-01-01 | $267,300,325 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-01-01 | $370,272,751 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2022-01-01 | No |
| Were any leases to which the plan was party in default or uncollectible | 2022-01-01 | No |
| Assets. partnership/joint venture interests at end of year | 2022-01-01 | $5,561,739 |
| Assets. partnership/joint venture interests at beginning of year | 2022-01-01 | $6,460,097 |
| Investment advisory and management fees | 2022-01-01 | $618,089 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-01-01 | $123,917,234 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-01-01 | $167,178,321 |
| Interest earned on other investments | 2022-01-01 | $238,230 |
| Income. Interest from US Government securities | 2022-01-01 | $167,372 |
| Income. Interest from corporate debt instruments | 2022-01-01 | $4,630,272 |
| Value of interest in common/collective trusts at end of year | 2022-01-01 | $33,672,060 |
| Value of interest in common/collective trusts at beginning of year | 2022-01-01 | $41,403,850 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-01-01 | $8,231,043 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-01-01 | $40,965 |
| Asset value of US Government securities at end of year | 2022-01-01 | $5,149,162 |
| Asset value of US Government securities at beginning of year | 2022-01-01 | $8,981,255 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-01-01 | $-35,744,239 |
| Net investment gain or loss from common/collective trusts | 2022-01-01 | $-5,630,147 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-01-01 | Yes |
| Income. Dividends from common stock | 2022-01-01 | $14,505 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-01-01 | $79,200,894 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-01-01 | $124,183,174 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-01-01 | $8,434,890 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-01-01 | $9,828,150 |
| Did the plan have assets held for investment | 2022-01-01 | Yes |
| Aggregate proceeds on sale of assets | 2022-01-01 | $47,302,358 |
| Aggregate carrying amount (costs) on sale of assets | 2022-01-01 | $57,883,132 |
| 2021 : MDU RESOURCES GROUP, INC. MASTER TRUST 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $-4,252,500 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $-4,252,500 |
| Total transfer of assets to this plan | 2021-12-31 | $150,376,092 |
| Total transfer of assets from this plan | 2021-12-31 | $174,865,382 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $1,062,366 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $0 |
| Total income from all sources (including contributions) | 2021-12-31 | $14,391,374 |
| Total loss/gain on sale of assets | 2021-12-31 | $-1,493,169 |
| Total of all expenses incurred | 2021-12-31 | $658,483 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2021-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2021-12-31 | $0 |
| Value of total assets at end of year | 2021-12-31 | $371,335,117 |
| Value of total assets at beginning of year | 2021-12-31 | $381,029,150 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $658,483 |
| Total interest from all sources | 2021-12-31 | $4,581,506 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $6,454,218 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2021-12-31 | $6,442,947 |
| Administrative expenses professional fees incurred | 2021-12-31 | $35,920 |
| Were there any nonexempt tranactions with any party-in-interest | 2021-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2021-12-31 | $7,422,992 |
| Assets. Other investments not covered elsewhere at beginning of year | 2021-12-31 | $10,041,272 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $1,174,514 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $900,583 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $1,062,366 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $0 |
| Value of net income/loss | 2021-12-31 | $13,732,891 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $370,272,751 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $381,029,150 |
| 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 |
| Assets. partnership/joint venture interests at end of year | 2021-12-31 | $6,460,097 |
| Assets. partnership/joint venture interests at beginning of year | 2021-12-31 | $11,439,778 |
| Investment advisory and management fees | 2021-12-31 | $622,563 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2021-12-31 | $167,178,321 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2021-12-31 | $177,558,278 |
| Interest earned on other investments | 2021-12-31 | $235,604 |
| Income. Interest from US Government securities | 2021-12-31 | $242,142 |
| Income. Interest from corporate debt instruments | 2021-12-31 | $4,103,481 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $41,403,850 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $55,838,813 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $4,702,764 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $4,695,929 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $4,695,929 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $279 |
| Asset value of US Government securities at end of year | 2021-12-31 | $8,981,255 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $13,857,413 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2021-12-31 | $540,963 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $8,560,356 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2021-12-31 | Yes |
| Income. Dividends from common stock | 2021-12-31 | $11,271 |
| Asset. Corporate debt instrument debt (other) at end of year | 2021-12-31 | $124,183,174 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-12-31 | $92,112,524 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $9,828,150 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $14,584,560 |
| Did the plan have assets held for investment | 2021-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2021-12-31 | $78,862,069 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $80,355,238 |
| 2020 : MDU RESOURCES GROUP, INC. MASTER TRUST 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $26,691,762 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $26,691,762 |
| Total transfer of assets to this plan | 2020-12-31 | $183,137,759 |
| Total transfer of assets from this plan | 2020-12-31 | $187,716,872 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $0 |
| Total income from all sources (including contributions) | 2020-12-31 | $44,223,235 |
| Total loss/gain on sale of assets | 2020-12-31 | $-4,507,129 |
| Total of all expenses incurred | 2020-12-31 | $675,565 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2020-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2020-12-31 | $0 |
| Value of total assets at end of year | 2020-12-31 | $381,029,150 |
| Value of total assets at beginning of year | 2020-12-31 | $342,060,593 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $675,565 |
| Total interest from all sources | 2020-12-31 | $5,110,242 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $5,795,657 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2020-12-31 | $5,768,462 |
| Administrative expenses professional fees incurred | 2020-12-31 | $42,077 |
| Were there any nonexempt tranactions with any party-in-interest | 2020-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2020-12-31 | $10,041,272 |
| Assets. Other investments not covered elsewhere at beginning of year | 2020-12-31 | $11,743,048 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $900,583 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $936,257 |
| Administrative expenses (other) incurred | 2020-12-31 | $0 |
| Value of net income/loss | 2020-12-31 | $43,547,670 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $381,029,150 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $342,060,593 |
| 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 |
| Assets. partnership/joint venture interests at end of year | 2020-12-31 | $11,439,778 |
| Investment advisory and management fees | 2020-12-31 | $633,488 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2020-12-31 | $177,558,278 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2020-12-31 | $161,137,852 |
| Interest earned on other investments | 2020-12-31 | $302,377 |
| Income. Interest from US Government securities | 2020-12-31 | $1,232,552 |
| Income. Interest from corporate debt instruments | 2020-12-31 | $3,488,057 |
| Value of interest in common/collective trusts at end of year | 2020-12-31 | $55,838,813 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $58,978,398 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $4,695,929 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $4,402,210 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $4,402,210 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $87,256 |
| Asset value of US Government securities at end of year | 2020-12-31 | $13,857,413 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $9,370,874 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2020-12-31 | $6,922,288 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $4,210,415 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2020-12-31 | Yes |
| Income. Dividends from common stock | 2020-12-31 | $27,195 |
| Asset. Corporate debt instrument debt (other) at end of year | 2020-12-31 | $92,112,524 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-12-31 | $80,075,000 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2020-12-31 | $14,584,560 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2020-12-31 | $15,416,954 |
| Did the plan have assets held for investment | 2020-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2020-12-31 | $100,686,448 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $105,193,577 |
| 2019 : MDU RESOURCES GROUP, INC. MASTER TRUST 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $15,304,862 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $15,304,862 |
| Total transfer of assets to this plan | 2019-12-31 | $87,297,996 |
| Total transfer of assets from this plan | 2019-12-31 | $108,864,805 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $1,074,274 |
| Total income from all sources (including contributions) | 2019-12-31 | $60,939,472 |
| Total loss/gain on sale of assets | 2019-12-31 | $3,024,577 |
| Total of all expenses incurred | 2019-12-31 | $698,466 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2019-12-31 | $0 |
| Value of total assets at end of year | 2019-12-31 | $342,060,593 |
| Value of total assets at beginning of year | 2019-12-31 | $304,460,670 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $698,466 |
| Total interest from all sources | 2019-12-31 | $5,049,344 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $5,630,708 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2019-12-31 | $5,612,962 |
| Administrative expenses professional fees incurred | 2019-12-31 | $310,968 |
| Were there any nonexempt tranactions with any party-in-interest | 2019-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2019-12-31 | $11,743,048 |
| Assets. Other investments not covered elsewhere at beginning of year | 2019-12-31 | $10,644,213 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $936,257 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $989,072 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $1,074,274 |
| Value of net income/loss | 2019-12-31 | $60,241,006 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $342,060,593 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $303,386,396 |
| 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 |
| Investment advisory and management fees | 2019-12-31 | $387,498 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $161,137,852 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2019-12-31 | $146,242,138 |
| Interest earned on other investments | 2019-12-31 | $341,391 |
| Income. Interest from US Government securities | 2019-12-31 | $1,236,363 |
| Income. Interest from corporate debt instruments | 2019-12-31 | $3,410,985 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $58,978,398 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $51,700,060 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $4,402,210 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $3,218,753 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $3,218,753 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $60,605 |
| Asset value of US Government securities at end of year | 2019-12-31 | $9,370,874 |
| Asset value of US Government securities at beginning of year | 2019-12-31 | $6,387,476 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2019-12-31 | $19,766,643 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $12,163,338 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2019-12-31 | Yes |
| Income. Dividends from common stock | 2019-12-31 | $17,746 |
| Asset. Corporate debt instrument debt (other) at end of year | 2019-12-31 | $80,075,000 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2019-12-31 | $73,250,998 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $15,416,954 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $12,027,960 |
| Did the plan have assets held for investment | 2019-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2019-12-31 | $37,686,570 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $34,661,993 |
