401(k) · DOL Form 5500 · 2022
Rock Holdings, Inc. 401(k) Plan
Data updated 2026-08-06
- $1.6B
- Total assets
- 27,216
- Participants
- 99th
- Percentile by assets
- $60,106
- Avg per participant
Official DOL plan name: Rock Holdings & Associated Companies Savings Plan · Sponsored by Rock Holdings, Inc. · Michigan · Finance & Insurance
$1.6B in assets, 27,216 participants
Rock Holdings, Inc.'s Rock Holdings & Associated Companies Savings Plan reported $1.6B in total assets and 27,216 participants in its 2022 DOL Form 5500 filing, ranking in the 99th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.
- 99th percentile by assets (of 139,258 plans)
- #9,135 in Finance & Insurance (9,267 peers)
Coverage in Michigan
Rock Holdings & Associated Companies Savings Plan covers 27,216 participants in Michigan, 43x the typical Michigan plan (state average ~632 per filing). Assets: $1.6B.
- $1.6B
- total plan assets (2022 EOY)
- 27,216
- covered participants
- 99th
- percentile by assets (of 139,258 plans)
- $60,106
- avg assets per participant
The plan reported a net loss of $330M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
Participants vs Michigan filers
In Michigan, the average filing covers about 632 participants across 3,963 plans. Rock Holdings & Associated Companies Savings Plan reports 27,216 participants - 43x that state average ($1.6B EOY assets).
Michigan filing particulars
| Total Assets (Beginning of Year) | $2.0B |
|---|---|
| Net Assets (End of Year) | $1.6B |
| Net Income | -$330M |
| Employer EIN | 510415135 |
| Plan Effective Date | 2002-08-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Rock Holdings, Inc.)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 27,216 | $1.6B |
| 2023 | 1 | 18,984 | $1.9B |
| 2024 | 1 | 15,298 | $2.2B |
Nearby 401(k) Plans in Michigan
Peer 401(k) plans, same state, same plan type, ranked by total assets.
Rock Holdings & Associated Companies Savings Plan vs. nearby 401(k) plans in Michigan, assets vs. participants
- General Motors Retirement Savings Plan for Salaried Employees in the United States $18.1B · 43,382
- Ford Motor Co. Savings and Stock Investment Plan for Salaried Employees $13.8B · 32,974
- The Dow Chemical Company Employees' Savings Plan $9.3B · 16,930
- The General Motors Personal Savings Plan for Hourly-Rate Employees in the United States $7.5B · 40,458
- Ford Motor Co. Tax-Efficient Savings Plan for Hourly Employees $6.4B · 57,811
Scale composition for Rock Holdings & Associated Companies Savings Plan
Rock Holdings & Associated Companies Savings Plan reports $1.6B in end-of-year assets across 27,216 participants (0.014% of the $11.6T held by all Form 5500 filers in the national rollup , and 0.030% of 89,805,449 covered participants) - about $60,106 per participant (44% of the national average assets-per-participant) . Net income for plan year 2022 was -$330M.
This plan identity (EIN 510415135, plan #005) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.6B to $2.2B (+36.2%) while covered participants moved from 27,216 to 15,298 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 27,216 | $1.6B | This page |
| 2023 | 18,984 | $1.9B | Open filing |
| 2024 · index core | 15,298 | $2.2B | Open filing |
The same sponsor also keeps 1 other index-core plan on PlainRetire:
- Rock Holdings & Associated Companies Savings Plan (401(k), $2.2B, 15,298 participants)
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Rock Holdings & Associated Companies Savings Plan by total assets, not by location.
- Comerica Incorporated Preferred Savings Plan (TX) $1.6B · 7,611
- Milliman, Inc. Profit Sharing and Retirement Plan (WA) $1.6B · 3,269
- W.R. Berkley Corporation Profit Sharing Plan (CT) $1.6B · 5,488
- Teledyne Technologies Incorporated 401(k) Plan (CA) $1.6B · 8,860
Frequently Asked Questions
How did Rock Holdings & Associated Companies Savings Plan assets move in 2022? ▼
How have Rock Holdings, Inc. plan assets changed over time? ▼
Where does Rock Holdings & Associated Companies Savings Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Rock Holdings & Associated Companies Savings Plan? ▼
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Filing takeaways
Ways to act on Rock Holdings & Associated Companies Savings Plan's numbers.
- By total assets, Rock Holdings & Associated Companies Savings Plan ranks among the largest 1% of all filed plans. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in Michigan. Compare plans
- Rock Holdings, Inc.'s sponsor-wide assets have grown 36.2% since 2022 across 3 plan years on file. More Finance & Insurance plans