Plan Ledger DOL Form 5500 · updated monthly

Thk Rhythm Automotive Michigan Corporation401(k)

THK RHYTHM AUTOMOTIVE MICHIGAN CORPORATION 401(K) PLAN · PORTLAND, MI · plan year 2025

Reported admin expense ratio · 2025
0.24%

Peer grade: B+ · admin costs + employer contributions vs same-size plans · how grading works

Thk Rhythm Automotive Michigan Corporation reported $51,548 in plan administrative expenses for 2025: 0.24% of average plan assets, below the peer median. Employer contributions averaged $3,684 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 0.31% to 0.24%. 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 924th-largest of 2,619 plans among Michigan employers on file, and the 5,329th of 13,661 in manufacturing. In 2025, employees put in $1.38 for every $1.00 the employer contributed.

Plan summary
Net assets, end of year$23,621,519
Participants with balances307
Active participants271
Employer contributions$998,303
Employee contributions$1,378,950
Employer contribution per active participant$3,684
Average account balance$76,943
Benefits paid to participants$2,193,590
Plan auditUnmodified (clean) audit opinion
AuditorHUNGERFORD
Plan history4
Yearassets · accounts · employer contribution
2025$23.6M · 307 accts · $998K emplr
2024$19.7M · 309 accts · $1.0M emplr
2023$16.6M · 294 accts · $964K emplr
2022$13.0M · 272 accts · $845K emplr
Administrative expenses, itemized · 2025
Recordkeeping & contract admin$51,548
Total administrative$51,548
The Thk Rhythm Automotive Michigan Corporation 401(k) match · 2025
Employer contribution per active participant$3,684
Median for plans this size$2,666
2025$3,684 per active participant
2024$3,526 per active participant
2023$3,419 per active participant
2022$3,096 per active participant

Thk Rhythm Automotive Michigan 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.

What these fees cost you

Annual cost at the plan's reported 2025 administrative ratio, against the median plan its size; fund expense ratios are extra. Compare any plan.

Service providers · 20251
PRINCIPAL LIFE INSURANCE COMPANY · Contract administrator · Loan processing$51,547

Compensation shown is direct payments from plan assets reported on Schedule C. Providers paid through fund revenue-sharing appear as indirect.

Administrative cost history4
2025$51,548 · 0.24%
2024$51,379 · 0.28%
2023$42,119 · 0.29%
2022$43,097 · 0.31%
Same employer
Similar plansManufacturing · Michigan
The Magni Group, Inc. MI$23.7M · 0.12%
Giffin, Inc. MI$23.7M · 0.07%
Stant Corporation MI$23.4M · 0.42%
Niles Precision Company MI$23.3M · 0.36%

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Source: U.S. Department of Labor, Form 5500 series, EIN 474271788 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.