A. O. SMITH CORPORATION has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan A. O. SMITH CORPORATION MASTER TRUST
| Measure | Date | Value |
|---|
| 2023 : A. O. SMITH CORPORATION MASTER TRUST 2023 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2023-12-31 | $3,140,515 |
| Total unrealized appreciation/depreciation of assets | 2023-12-31 | $3,140,515 |
| Total transfer of assets to this plan | 2023-12-31 | $59,702,602 |
| Total transfer of assets from this plan | 2023-12-31 | $65,593,998 |
| Total income from all sources (including contributions) | 2023-12-31 | $75,887,840 |
| Total of all expenses incurred | 2023-12-31 | $434,264 |
| Value of total assets at end of year | 2023-12-31 | $563,119,347 |
| Value of total assets at beginning of year | 2023-12-31 | $493,557,167 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2023-12-31 | $434,264 |
| Total dividends received (eg from common stock, registered investment company shares) | 2023-12-31 | $4,859,501 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2023-12-31 | $4,859,501 |
| Were there any nonexempt tranactions with any party-in-interest | 2023-12-31 | No |
| Administrative expenses (other) incurred | 2023-12-31 | $336,464 |
| Total non interest bearing cash at end of year | 2023-12-31 | $1,073,193 |
| Total non interest bearing cash at beginning of year | 2023-12-31 | $300,468 |
| Value of net income/loss | 2023-12-31 | $75,453,576 |
| Value of net assets at end of year (total assets less liabilities) | 2023-12-31 | $563,119,347 |
| Value of net assets at beginning of year (total assets less liabilities) | 2023-12-31 | $493,557,167 |
| 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 |
| Investment advisory and management fees | 2023-12-31 | $76,500 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2023-12-31 | $169,347,117 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2023-12-31 | $147,755,614 |
| Value of interest in common/collective trusts at end of year | 2023-12-31 | $287,370,966 |
| Value of interest in common/collective trusts at beginning of year | 2023-12-31 | $253,745,206 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2023-12-31 | $1,350,103 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2023-12-31 | $1,199,035 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2023-12-31 | $1,199,035 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2023-12-31 | $18,316,049 |
| Net investment gain or loss from common/collective trusts | 2023-12-31 | $49,571,775 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2023-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2023-12-31 | $25,100,589 |
| Assets. Invements in employer securities at beginning of year | 2023-12-31 | $18,006,903 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2023-12-31 | $78,877,379 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2023-12-31 | $72,549,941 |
| Did the plan have assets held for investment | 2023-12-31 | Yes |
| 2022 : A. O. SMITH CORPORATION MASTER TRUST 2022 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-3,386,832 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-3,386,832 |
| Total transfer of assets to this plan | 2022-12-31 | $68,018,184 |
| Total transfer of assets from this plan | 2022-12-31 | $66,774,268 |
| Total income from all sources (including contributions) | 2022-12-31 | $-80,432,465 |
| Total of all expenses incurred | 2022-12-31 | $664,088 |
| Value of total assets at end of year | 2022-12-31 | $493,557,167 |
| Value of total assets at beginning of year | 2022-12-31 | $573,409,804 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $664,088 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $4,005,973 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-12-31 | $4,005,973 |
| Administrative expenses professional fees incurred | 2022-12-31 | $664,088 |
| Were there any nonexempt tranactions with any party-in-interest | 2022-12-31 | No |
| Total non interest bearing cash at end of year | 2022-12-31 | $300,468 |
| Total non interest bearing cash at beginning of year | 2022-12-31 | $20,658 |
| Value of net income/loss | 2022-12-31 | $-81,096,553 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $493,557,167 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $573,409,804 |
| 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 | $147,755,614 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-12-31 | $182,152,539 |
| Value of interest in common/collective trusts at end of year | 2022-12-31 | $253,745,206 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $271,229,327 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $1,199,035 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $1,717,666 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $1,717,666 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-12-31 | $-28,441,496 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $-52,610,110 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2022-12-31 | $18,006,903 |
| Assets. Invements in employer securities at beginning of year | 2022-12-31 | $25,680,740 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-12-31 | $72,549,941 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-12-31 | $92,608,874 |
| Did the plan have assets held for investment | 2022-12-31 | Yes |
| 2021 : A. O. SMITH CORPORATION MASTER TRUST 2021 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $3,319,681 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $3,319,681 |
| Total transfer of assets to this plan | 2021-12-31 | $33,975,396 |
| Total transfer of assets from this plan | 2021-12-31 | $58,042,634 |
| Total income from all sources (including contributions) | 2021-12-31 | $82,807,539 |
| Total of all expenses incurred | 2021-12-31 | $416,921 |
| Value of total assets at end of year | 2021-12-31 | $573,409,804 |
| Value of total assets at beginning of year | 2021-12-31 | $515,086,424 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $416,921 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $6,393,303 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2021-12-31 | $6,393,303 |
| Administrative expenses professional fees incurred | 2021-12-31 | $416,921 |
| Were there any nonexempt tranactions with any party-in-interest | 2021-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $483,135 |
| Total non interest bearing cash at end of year | 2021-12-31 | $20,658 |
| Total non interest bearing cash at beginning of year | 2021-12-31 | $49,387 |
| Value of net income/loss | 2021-12-31 | $82,390,618 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $573,409,804 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $515,086,424 |
| 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 | $182,152,539 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2021-12-31 | $169,842,792 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $271,229,327 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $247,301,168 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $1,717,666 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $877,050 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $877,050 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2021-12-31 | $20,670,363 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $52,424,192 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2021-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2021-12-31 | $25,680,740 |
| Assets. Invements in employer securities at beginning of year | 2021-12-31 | $17,374,103 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $92,608,874 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $79,158,789 |
| Did the plan have assets held for investment | 2021-12-31 | Yes |
| 2020 : A. O. SMITH CORPORATION MASTER TRUST 2020 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $2,023,330 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $2,023,330 |
| Total transfer of assets to this plan | 2020-12-31 | $63,711,464 |
| Total transfer of assets from this plan | 2020-12-31 | $49,893,622 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $105,581 |
| Total income from all sources (including contributions) | 2020-12-31 | $56,183,034 |
| Total of all expenses incurred | 2020-12-31 | $333,048 |
| Value of total assets at end of year | 2020-12-31 | $515,086,424 |
| Value of total assets at beginning of year | 2020-12-31 | $445,524,177 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $333,048 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $2,350,015 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2020-12-31 | $2,350,015 |
| Administrative expenses professional fees incurred | 2020-12-31 | $333,048 |
| Were there any nonexempt tranactions with any party-in-interest | 2020-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $483,135 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $105,581 |
| Total non interest bearing cash at end of year | 2020-12-31 | $49,387 |
| Total non interest bearing cash at beginning of year | 2020-12-31 | $688 |
| Value of net income/loss | 2020-12-31 | $55,849,986 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $515,086,424 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $445,418,596 |
| 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 | $169,842,792 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2020-12-31 | $263,029,681 |
| Value of interest in common/collective trusts at end of year | 2020-12-31 | $247,301,168 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $91,638,403 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $877,050 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $2,186,298 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $2,186,298 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2020-12-31 | $23,155,955 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $28,653,734 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2020-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2020-12-31 | $17,374,103 |
| Assets. Invements in employer securities at beginning of year | 2020-12-31 | $16,849,220 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2020-12-31 | $79,158,789 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2020-12-31 | $71,819,887 |
| Did the plan have assets held for investment | 2020-12-31 | Yes |
| 2019 : A. O. SMITH CORPORATION MASTER TRUST 2019 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $2,130,344 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $2,130,344 |
| Total transfer of assets to this plan | 2019-12-31 | $49,189,868 |
| Total transfer of assets from this plan | 2019-12-31 | $50,225,797 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $105,581 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $171,292 |
| Total income from all sources (including contributions) | 2019-12-31 | $70,264,267 |
| Total of all expenses incurred | 2019-12-31 | $347,992 |
| Value of total assets at end of year | 2019-12-31 | $445,524,177 |
| Value of total assets at beginning of year | 2019-12-31 | $376,709,542 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $347,992 |
| Administrative expenses professional fees incurred | 2019-12-31 | $347,992 |
| Were there any nonexempt tranactions with any party-in-interest | 2019-12-31 | No |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2019-12-31 | $105,581 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2019-12-31 | $171,292 |
| Total non interest bearing cash at end of year | 2019-12-31 | $688 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $16,599 |
| Value of net income/loss | 2019-12-31 | $69,916,275 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $445,418,596 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $376,538,250 |
| 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 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $263,029,681 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2019-12-31 | $207,008,504 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $91,638,403 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $93,760,889 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $2,186,298 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $1,962,654 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $1,962,654 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2019-12-31 | $41,475,327 |
| Net investment gain or loss from common/collective trusts | 2019-12-31 | $26,658,596 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2019-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2019-12-31 | $16,849,220 |
| Assets. Invements in employer securities at beginning of year | 2019-12-31 | $16,672,215 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $71,819,887 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $57,288,681 |
| Did the plan have assets held for investment | 2019-12-31 | Yes |
| 2018 : A. O. SMITH CORPORATION MASTER TRUST 2018 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-7,048,806 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-7,048,806 |
| Total transfer of assets to this plan | 2018-12-31 | $44,328,890 |
| Total transfer of assets from this plan | 2018-12-31 | $45,283,737 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $171,292 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $135,424 |
| Total income from all sources (including contributions) | 2018-12-31 | $-22,843,146 |
| Total of all expenses incurred | 2018-12-31 | $358,790 |
| Value of total assets at end of year | 2018-12-31 | $376,709,542 |
| Value of total assets at beginning of year | 2018-12-31 | $400,830,457 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $358,790 |
| Administrative expenses professional fees incurred | 2018-12-31 | $358,790 |
| Were there any nonexempt tranactions with any party-in-interest | 2018-12-31 | No |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2018-12-31 | $171,292 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2018-12-31 | $135,424 |
| Total non interest bearing cash at end of year | 2018-12-31 | $16,599 |
| Total non interest bearing cash at beginning of year | 2018-12-31 | $88,805 |
| Value of net income/loss | 2018-12-31 | $-23,201,936 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $376,538,250 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $400,695,033 |
| 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 | $207,008,504 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2018-12-31 | $214,366,877 |
| Value of interest in common/collective trusts at end of year | 2018-12-31 | $93,760,889 |
| Value of interest in common/collective trusts at beginning of year | 2018-12-31 | $92,998,765 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $1,962,654 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $2,029,262 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $2,029,262 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2018-12-31 | $-15,059,230 |
| Net investment gain or loss from common/collective trusts | 2018-12-31 | $-735,110 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2018-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2018-12-31 | $16,672,215 |
| Assets. Invements in employer securities at beginning of year | 2018-12-31 | $25,169,167 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2018-12-31 | $57,288,681 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2018-12-31 | $66,177,581 |
| Did the plan have assets held for investment | 2018-12-31 | Yes |
| 2017 : A. O. SMITH CORPORATION MASTER TRUST 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $5,922,249 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $5,922,249 |
| Total transfer of assets to this plan | 2017-12-31 | $41,321,807 |
| Total transfer of assets from this plan | 2017-12-31 | $41,238,516 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $135,424 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $0 |
| Total income from all sources (including contributions) | 2017-12-31 | $49,903,960 |
| Total of all expenses incurred | 2017-12-31 | $332,999 |
| Value of total assets at end of year | 2017-12-31 | $400,830,457 |
| Value of total assets at beginning of year | 2017-12-31 | $351,040,781 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $332,999 |
| Administrative expenses professional fees incurred | 2017-12-31 | $332,999 |
| Were there any nonexempt tranactions with any party-in-interest | 2017-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $9,830 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2017-12-31 | $135,424 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2017-12-31 | $0 |
| Total non interest bearing cash at end of year | 2017-12-31 | $88,805 |
| Total non interest bearing cash at beginning of year | 2017-12-31 | $68,561 |
| Value of net income/loss | 2017-12-31 | $49,570,961 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $400,695,033 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $351,040,781 |
| 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 | $214,366,877 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2017-12-31 | $175,407,296 |
| Value of interest in common/collective trusts at end of year | 2017-12-31 | $92,998,765 |
| Value of interest in common/collective trusts at beginning of year | 2017-12-31 | $94,363,575 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $2,029,262 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $3,350,050 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $3,350,050 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2017-12-31 | $32,966,548 |
| Net investment gain or loss from common/collective trusts | 2017-12-31 | $11,015,163 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2017-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2017-12-31 | $25,169,167 |
| Assets. Invements in employer securities at beginning of year | 2017-12-31 | $19,866,355 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2017-12-31 | $66,177,581 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2017-12-31 | $57,975,114 |
| Did the plan have assets held for investment | 2017-12-31 | Yes |
| 2016 : A. O. SMITH CORPORATION MASTER TRUST 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $3,844,684 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $3,844,684 |
| Total transfer of assets to this plan | 2016-12-31 | $38,152,479 |
| Total transfer of assets from this plan | 2016-12-31 | $44,996,412 |
| Total income from all sources (including contributions) | 2016-12-31 | $22,843,156 |
| Total of all expenses incurred | 2016-12-31 | $274,207 |
| Value of total assets at end of year | 2016-12-31 | $351,040,781 |
| Value of total assets at beginning of year | 2016-12-31 | $335,315,765 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $274,207 |
| Administrative expenses professional fees incurred | 2016-12-31 | $274,207 |
| Were there any nonexempt tranactions with any party-in-interest | 2016-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $9,830 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $102,051 |
| Total non interest bearing cash at end of year | 2016-12-31 | $68,561 |
| Total non interest bearing cash at beginning of year | 2016-12-31 | $215 |
| Value of net income/loss | 2016-12-31 | $22,568,949 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $351,040,781 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $335,315,765 |
| 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 | $175,407,296 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2016-12-31 | $126,553,553 |
| Value of interest in common/collective trusts at end of year | 2016-12-31 | $94,363,575 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $114,912,754 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $3,350,050 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $2,507,760 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $2,507,760 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2016-12-31 | $10,049,293 |
| Net investment gain or loss from common/collective trusts | 2016-12-31 | $8,949,179 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2016-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2016-12-31 | $19,866,355 |
| Assets. Invements in employer securities at beginning of year | 2016-12-31 | $15,983,298 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2016-12-31 | $57,975,114 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2016-12-31 | $75,256,134 |
| Did the plan have assets held for investment | 2016-12-31 | Yes |
| 2015 : A. O. SMITH CORPORATION MASTER TRUST 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $4,289,643 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $4,289,643 |
| Total transfer of assets to this plan | 2015-12-31 | $34,553,284 |
| Total transfer of assets from this plan | 2015-12-31 | $37,376,506 |
| Total income from all sources (including contributions) | 2015-12-31 | $1,666,108 |
| Total of all expenses incurred | 2015-12-31 | $288,721 |
| Value of total assets at end of year | 2015-12-31 | $335,315,765 |
| Value of total assets at beginning of year | 2015-12-31 | $336,761,600 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $288,721 |
| Administrative expenses professional fees incurred | 2015-12-31 | $288,721 |
| Were there any nonexempt tranactions with any party-in-interest | 2015-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $102,051 |
| Total non interest bearing cash at end of year | 2015-12-31 | $215 |
| Total non interest bearing cash at beginning of year | 2015-12-31 | $9,551 |
| Value of net income/loss | 2015-12-31 | $1,377,387 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $335,315,765 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $336,761,600 |
| 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 | $125,609,100 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2015-12-31 | $122,582,526 |
| Value of interest in common/collective trusts at end of year | 2015-12-31 | $193,403,627 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $202,415,603 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $2,507,760 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2015-12-31 | $-490,908 |
| Net investment gain or loss from common/collective trusts | 2015-12-31 | $-2,132,627 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2015-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2015-12-31 | $16,302,823 |
| Assets. Invements in employer securities at beginning of year | 2015-12-31 | $11,753,920 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2015-12-31 | $75,256,134 |
| Did the plan have assets held for investment | 2015-12-31 | Yes |
| 2014 : A. O. SMITH CORPORATION MASTER TRUST 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $559,026 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $559,026 |
| Total transfer of assets to this plan | 2014-12-31 | $69,947,075 |
| Total transfer of assets from this plan | 2014-12-31 | $40,011,902 |
| Total income from all sources (including contributions) | 2014-12-31 | $18,515,882 |
| Total of all expenses incurred | 2014-12-31 | $272,603 |
| Value of total assets at end of year | 2014-12-31 | $336,761,600 |
| Value of total assets at beginning of year | 2014-12-31 | $288,583,148 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $272,603 |
| Administrative expenses professional fees incurred | 2014-12-31 | $272,603 |
| Were there any nonexempt tranactions with any party-in-interest | 2014-12-31 | No |
| Total non interest bearing cash at end of year | 2014-12-31 | $9,551 |
| Total non interest bearing cash at beginning of year | 2014-12-31 | $17,934 |
| Value of net income/loss | 2014-12-31 | $18,243,279 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $336,761,600 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $288,583,148 |
| 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 | $122,582,526 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2014-12-31 | $49,930,945 |
| Value of interest in common/collective trusts at end of year | 2014-12-31 | $202,415,603 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $226,455,063 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2014-12-31 | $7,137,726 |
| Net investment gain or loss from common/collective trusts | 2014-12-31 | $10,819,130 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2014-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2014-12-31 | $11,753,920 |
| Assets. Invements in employer securities at beginning of year | 2014-12-31 | $12,179,206 |
| Did the plan have assets held for investment | 2014-12-31 | Yes |
| 2013 : A. O. SMITH CORPORATION MASTER TRUST 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $5,201,558 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $5,201,558 |
| Total transfer of assets to this plan | 2013-12-31 | $25,591,699 |
| Total transfer of assets from this plan | 2013-12-31 | $30,208,836 |
| Total income from all sources (including contributions) | 2013-12-31 | $38,904,562 |
| Total of all expenses incurred | 2013-12-31 | $272,463 |
| Value of total assets at end of year | 2013-12-31 | $288,583,148 |
| Value of total assets at beginning of year | 2013-12-31 | $254,568,186 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $272,463 |
| Administrative expenses professional fees incurred | 2013-12-31 | $272,463 |
| Were there any nonexempt tranactions with any party-in-interest | 2013-12-31 | No |
| Total non interest bearing cash at end of year | 2013-12-31 | $17,934 |
| Total non interest bearing cash at beginning of year | 2013-12-31 | $30,601 |
| Value of net income/loss | 2013-12-31 | $38,632,099 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $288,583,148 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $254,568,186 |
| 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 | $49,930,945 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2013-12-31 | $53,647,932 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $226,455,063 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $192,921,233 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2013-12-31 | $8,401,461 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $25,301,543 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2013-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2013-12-31 | $12,179,206 |
| Assets. Invements in employer securities at beginning of year | 2013-12-31 | $7,968,420 |
| Did the plan have assets held for investment | 2013-12-31 | Yes |
| 2012 : A. O. SMITH CORPORATION MASTER TRUST 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $2,824,169 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $2,824,169 |
| Total transfer of assets to this plan | 2012-12-31 | $18,882,103 |
| Total transfer of assets from this plan | 2012-12-31 | $25,024,928 |
| Total income from all sources (including contributions) | 2012-12-31 | $23,235,274 |
| Total of all expenses incurred | 2012-12-31 | $190,388 |
| Value of total assets at end of year | 2012-12-31 | $254,568,186 |
| Value of total assets at beginning of year | 2012-12-31 | $237,666,125 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $190,388 |
| Administrative expenses professional fees incurred | 2012-12-31 | $190,388 |
| Were there any nonexempt tranactions with any party-in-interest | 2012-12-31 | No |
| Total non interest bearing cash at end of year | 2012-12-31 | $30,601 |
| Total non interest bearing cash at beginning of year | 2012-12-31 | $8,295 |
| Value of net income/loss | 2012-12-31 | $23,044,886 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $254,568,186 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $237,666,125 |
| 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 | $53,647,932 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2012-12-31 | $44,512,675 |
| Value of interest in common/collective trusts at end of year | 2012-12-31 | $192,921,233 |
| Value of interest in common/collective trusts at beginning of year | 2012-12-31 | $188,340,861 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2012-12-31 | $6,505,751 |
| Net investment gain or loss from common/collective trusts | 2012-12-31 | $13,905,354 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2012-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2012-12-31 | $7,968,420 |
| Assets. Invements in employer securities at beginning of year | 2012-12-31 | $4,804,294 |
| Did the plan have assets held for investment | 2012-12-31 | Yes |
| 2011 : A. O. SMITH CORPORATION MASTER TRUST 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $284,172 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $284,172 |
| Total transfer of assets to this plan | 2011-12-31 | $21,576,089 |
| Total transfer of assets from this plan | 2011-12-31 | $82,828,110 |
| Total income from all sources (including contributions) | 2011-12-31 | $941,176 |
| Total of all expenses incurred | 2011-12-31 | $255,259 |
| Value of total assets at end of year | 2011-12-31 | $237,666,125 |
| Value of total assets at beginning of year | 2011-12-31 | $298,232,229 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $255,259 |
| Administrative expenses professional fees incurred | 2011-12-31 | $255,259 |
| Were there any nonexempt tranactions with any party-in-interest | 2011-12-31 | No |
| Total non interest bearing cash at end of year | 2011-12-31 | $8,295 |
| Total non interest bearing cash at beginning of year | 2011-12-31 | $512,856 |
| Value of net income/loss | 2011-12-31 | $685,917 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $237,666,125 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $298,232,229 |
| 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 | $44,512,675 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2011-12-31 | $62,908,758 |
| Value of interest in common/collective trusts at end of year | 2011-12-31 | $188,340,861 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $228,699,427 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2011-12-31 | $-533,767 |
| Net investment gain or loss from common/collective trusts | 2011-12-31 | $1,190,771 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2011-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2011-12-31 | $4,804,294 |
| Assets. Invements in employer securities at beginning of year | 2011-12-31 | $6,111,188 |
| Did the plan have assets held for investment | 2011-12-31 | Yes |
| 2010 : A. O. SMITH CORPORATION MASTER TRUST 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $1,396,209 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $1,396,209 |
| Total transfer of assets to this plan | 2010-12-31 | $27,183,708 |
| Total transfer of assets from this plan | 2010-12-31 | $25,367,894 |
| Total income from all sources (including contributions) | 2010-12-31 | $29,594,686 |
| Total of all expenses incurred | 2010-12-31 | $251,990 |
| Value of total assets at end of year | 2010-12-31 | $298,232,229 |
| Value of total assets at beginning of year | 2010-12-31 | $267,073,721 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $251,990 |
| Administrative expenses professional fees incurred | 2010-12-31 | $251,990 |
| Were there any nonexempt tranactions with any party-in-interest | 2010-12-31 | No |
| Total non interest bearing cash at end of year | 2010-12-31 | $512,856 |
| Total non interest bearing cash at beginning of year | 2010-12-31 | $23,536 |
| Value of net income/loss | 2010-12-31 | $29,342,696 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $298,232,229 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $267,073,721 |
| 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 | $62,908,758 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2010-12-31 | $55,954,988 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $228,699,427 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $206,985,509 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2010-12-31 | $6,173,287 |
| Net investment gain or loss from common/collective trusts | 2010-12-31 | $22,025,190 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2010-12-31 | Yes |
| Assets. Invements in employer securities at end of year | 2010-12-31 | $6,111,188 |
| Assets. Invements in employer securities at beginning of year | 2010-12-31 | $4,109,688 |
| Did the plan have assets held for investment | 2010-12-31 | Yes |
