Mitsubishi Materials U.S.A. Corporation401(k)
SAVINGS AND RETIREMENT PLAN OF MITSUBISHI MATERIALS USA CORP. · COSTA MESA, CA · plan year 2025
Peer grade: A- · admin costs + employer contributions vs same-size plans · how grading works
Mitsubishi Materials U.S.A. Corporation reported $2,834 in plan administrative expenses for 2025: 0.01% of average plan assets, lower than ~75% of peers. Employer contributions averaged $3,293 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 3 years on file its reported administrative ratio fell from 0.03% to 0.01%. The plan sits in the $10M–$50M size bracket, benchmarked here against 1,620 comparable plans and shown alongside other manufacturing employers. By assets it is the 1,791st-largest of 9,483 plans among California employers on file, and the 3,195th of 13,661 in manufacturing. In 2025, employees put in $3.68 for every $1.00 the employer contributed.
Mitsubishi Materials U.S.A. Corporation's 2025 employer contribution ran above the $2,666 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 953917804 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.