Knife River Corporation
Plan context: Knife River Corporation 401(K) Retirement Plan
EIN 92-1008893 • 8 filings • 4 plans
Current Snapshot
Latest Year
2024
2024 Participants
5,546
2024 Assets
$911,658,686
2024 Contributions
$77,403,391
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
Company Timeline
Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.
| Year / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2024 | 4 | 5,546 | $911,658,686 | $77,403,391 | $13,957iApproximate average salary by contribution assumption: employee only about $348,915 at 4% or $232,610 at 6%; with 50% employer match about $232,610 at 4% or $155,074 at 6%; with 100% employer match about $174,458 at 4% or $116,305 at 6%. |
| Knife River Corporation 401(K) Retirement Plan | - | 5,546 | $856,387,415 | $77,403,391 | $13,957iApproximate average salary by contribution assumption: employee only about $348,915 at 4% or $232,610 at 6%; with 50% employer match about $232,610 at 4% or $155,074 at 6%; with 100% employer match about $174,458 at 4% or $116,305 at 6%. |
| Knife River Master Trust | - | - | $30,374,837 | - | - |
| Knife River Corporation Salaried Employees' Pension Plan | - | 24 | $24,896,434 | - | - |
| Knife River Corporation Health and Welfare Benefits Program | - | 3,508 | - | - | - |
| 2023 | 4 | 5,233 | $798,207,028 | $57,289,726 | $10,948iApproximate average salary by contribution assumption: employee only about $273,694 at 4% or $182,463 at 6%; with 50% employer match about $182,463 at 4% or $121,642 at 6%; with 100% employer match about $136,847 at 4% or $91,231 at 6%. |
| Knife River Corporation 401(K) Retirement Plan | - | 5,233 | $741,236,100 | $55,589,726 | $10,623iApproximate average salary by contribution assumption: employee only about $265,573 at 4% or $177,049 at 6%; with 50% employer match about $177,049 at 4% or $118,032 at 6%; with 100% employer match about $132,786 at 4% or $88,524 at 6%. |
| Knife River Master Trust | - | - | $30,386,586 | - | - |
| Knife River Corporation Salaried Employees' Pension Plan | - | 31 | $26,584,342 | $1,700,000 | $54,839iApproximate average salary by contribution assumption: employee only about $1,370,968 at 4% or $913,978 at 6%; with 50% employer match about $913,978 at 4% or $609,319 at 6%; with 100% employer match about $685,484 at 4% or $456,989 at 6%. |
| Knife River Corporation Health and Welfare Benefits Program | - | 3,374 | - | - | - |