Arizona 401(k) plans
906
Large 401(k) plans headquartered in Arizona are in 401(k) Monitor’s published set, holding $71.9B in total, led on headcount by Circle K Retirement Plan with 73,210 active participants. Computed from DOL Form 5500 filings, plan years 2018–2025.
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 Arizona, not a census of it.
37 of the biggest 401(k) plans headquartered in Arizona
Every Arizona plan, by size
The table above is the top of the list. These 6 pages hold all 906 plans on file from Arizona, split by how many people are in them, each ranked by active participants.
- 100 to 499 participants · 557 plans
- 500 to 999 participants · 150 plans
- 1,000 to 4,999 participants · 148 plans
- 5,000 or more participants · 51 plans
401(k) fees in Arizona vs the national median
| Arizona medianAcross the 871 Arizona plans in our set with usable fee data. | $106.96 per participant |
|---|---|
| National medianAcross 54,783 published plans with usable fee data. | $122.17 per participant |
| Difference | $15.21 below 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?
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, “Arizona 401(k) plans: largest plans and fees”, computed from DOL EFAST2 Form 5500 bulk data, plan years 2018–2025, published set of 57,824 plans, data as of July 28, 2026.