Knife River Corporation401(k) + ESOP (KSOP)
KNIFE RIVER CORPORATION 401(K) RETIREMENT PLAN · BISMARCK, ND · plan year 2025
Peer grade: B · admin costs + employer contributions vs same-size plans · how grading works
Knife River Corporation reported $990,024 in plan administrative expenses for 2025: 0.11% of average plan assets, above the peer median. Employer contributions averaged $4,591 per active participant. This ratio covers administrative expenses reported on the plan's Schedule H only; fund-level expense ratios are not included in public structured data — see methodology.
Across the 2 years on file its reported administrative ratio rose from 0.05% to 0.11%. The plan sits in the $250M–$1B size bracket, benchmarked here against 230 comparable plans and shown alongside other construction employers. By assets it is the 4th-largest of 279 plans among North Dakota employers on file, and the 60th of 5,337 in construction. In 2025, employees put in $1.56 for every $1.00 the employer contributed; active participation has grown from 5,233 to 6,377 since 2023.
Knife River Corporation's 2025 employer contribution ran above the $4,295 median for plans its size. Filings report dollars actually contributed, not the match formula; the formula itself (for example, 50% of the first 6% of pay) lives in the plan's summary plan description from HR.
Annual cost at the plan's reported 2025 administrative ratio, against the median plan its size; fund expense ratios are extra. Compare any plan.
Compensation shown is direct payments from plan assets reported on Schedule C. Providers paid through fund revenue-sharing appear as indirect.
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Source: U.S. Department of Labor, Form 5500 series, EIN 921008893 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.