401(k) · DOL Form 5500 · 2022
Rock Holdings, Inc. 401(k) Plan
Data updated 2026-08-25
- $1.6B
- Total assets Very large vs avg
- 27,216
- Participants Very large workforce
- 99th
- Percentile by assets National rank
- $60,106
- Avg per participant Low balance/head
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.
- #9,129 in Finance & Insurance (9,261 peers)
Coverage in Michigan
Rock Holdings & Associated Companies Savings Plan covers 27,216 participants in Michigan, 43x the typical Michigan plan (state average ~638 per filing). Assets: $1.6B.
- #9,129
- in Finance & Insurance (9,261 peers)
- -16.8%
- assets change YoY
- 16×
- vs typical plan assets (national mean)
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.
Rock Holdings & Associated Companies Savings Plan's outsized position by total assets
Rock Holdings & Associated Companies Savings Plan vs every filed plan by assets
End-of-year total assets · plan year 2022 · DOL Form 5500
$1,635,852,048 Top 1% higher than 99% of 139,123 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022
Rock Holdings & Associated Companies Savings Plan's mega-plan peer group by participant headcount
Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Rock Holdings & Associated Companies Savings Plan is a mega filing (27,216 participants), the rightmost band on the breakdown.
DOL schedule card
Filing strip 510415135 · Rock Holdings, Inc. PY 2022 · 401(k)
Rock Holdings & Associated Companies Savings Plan · $1.6B · 27,216 · 99th
- VS-ST $1.6B
- BOY 27,216
- SCH 99th
- EBSA 401(k)
- PART near Comerica Incorporated Preferred Savings Plan
- TYPE ind #9129
Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Finance & Insurance retirement plans → · Plans in Michigan →
Rock Holdings & Associated Companies Savings Plan in the asset neighbourhood
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.)
Sponsor-wide plan assets over time
All Rock Holdings, Inc. plans reported in each filing year
- Latest sponsor-wide plan assets
- $2.2B 36.172161579248154% vs 2022
- 2024 filing year
| 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.
- 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 (0.013% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.029% of 93,925,755 covered participants) - about $60,106 per participant (43% 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)
Rock Holdings & Associated Companies Savings Plan's out-of-state 401(k) peers by assets and headcount
Outside Michigan, the nearest 401(k) by assets is Comerica Incorporated Preferred Savings Plan in TX ($1.6B); by covered participants it is Quanta Services, Inc. 401(k) Savings Plan in TX (27,082 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($1.6B here).
- 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
Similar participant headcount
Nearest other-state filings by covered participants (27,216 participants); asset peers above are excluded.
- Quanta Services, Inc. 401(k) Savings Plan (TX) 27,082 · 134 off
- The Southern Company Employee Savings Plan (GA) 27,061 · 155 off
- Hcr Manorcare Retirement Savings 401(k) Plan (OH) 27,372 · 156 off
- US Foods 401(k) Plan (IL) 27,026 · 190 off
DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.