Michigan 401(k) plans
2,009
Large 401(k) plans headquartered in Michigan are in 401(k) Monitor’s published set, holding $217.2B in total, led on headcount by Kelly Retirement Savings Plan with 142,508 active participants. Computed from DOL Form 5500 filings, plan years 2019–2025.
State means the sponsor’s address on the filing, not where employees work. Our published set covers 57,824 of the 57,824 large plans in the form-year-2024 DOL EFAST2 bulk data, so this is the largest-plan end of Michigan, not a census of it.
58 of the biggest 401(k) plans headquartered in Michigan
Every Michigan plan, by size
The table above is the top of the list. These 11 pages hold all 2,009 plans on file from Michigan, split by how many people are in them, each ranked by active participants.
- 100 to 499 participants · 1,317 plans
- 500 to 999 participants · 316 plans
- 1,000 to 4,999 participants · 293 plans
- 5,000 or more participants · 83 plans
401(k) fees in Michigan vs the national median
| Michigan medianAcross the 1,906 Michigan plans in our set with usable fee data. | $134.92 per participant |
|---|---|
| National medianAcross 54,783 published plans with usable fee data. | $122.17 per participant |
| Difference | $12.75 above the national median |
Plan-paid means fees the plan itself reports on Schedule H; many employers pay providers directly, which a filing reports as $0. How to judge your own plan: are your 401(k) fees high?
Michigan employers with a match dossier
These Michigan-headquartered plans also file an SEC Form 11-K, so the employer’s match formula, vesting and eligibility are extracted on a company page.
- Dow Inc. 401(k) match
The Dow Chemical Company Employees' Savings Plan
Useful links
- All states
Plan counts, fees and largest plans, state by state.
- The largest 401(k) plans in the US
The national ranking these state tables are drawn from.
- Average 401(k) fees by plan size
Fees depend on plan size more than on state.
Cite: 401(k) Monitor, “Michigan 401(k) plans: largest plans and fees”, computed from DOL EFAST2 Form 5500 bulk data, plan years 2019–2025, published set of 57,824 plans, data as of July 28, 2026.