401(k) · DOL Form 5500 · 2023
Rock Holdings, Inc. 401(k) Plan
Data updated 2026-08-11
- $1.9B
- Total assets
- 18,984
- Participants
- 99th
- Percentile by assets
- $101,444
- Avg per participant
Official DOL plan name: Rock Holdings & Associated Companies Savings Plan · Sponsored by Rock Holdings, Inc. · Michigan · Finance & Insurance
$1.9B in assets, 18,984 participants
Rock Holdings, Inc.'s Rock Holdings & Associated Companies Savings Plan reported $1.9B in total assets and 18,984 participants in its 2023 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 127,072 plans)
- #8,739 in Finance & Insurance (8,869 peers)
Coverage in Michigan
Rock Holdings & Associated Companies Savings Plan covers 18,984 participants in Michigan, 30x the typical Michigan plan (state average ~638 per filing). Assets: $1.9B.
- $1.9B
- total plan assets (2023 EOY)
- 18,984
- covered participants
- 99th
- percentile by assets (of 127,072 plans)
- $101,444
- avg assets per participant
Where Rock Holdings & Associated Companies Savings Plan sits by total assets
Rock Holdings & Associated Companies Savings Plan vs every filed plan by assets
End-of-year total assets · plan year 2023 · DOL Form 5500
$1,925,817,555 Top 1% higher than 99% of 127,068 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- Rock Holdings & Associated Companies Savings Plan reported net income rose from -$330M in the plan year 2022 filing to $290M in the plan year 2023 filing.
- Rock Holdings & Associated Companies Savings Plan reported participants fell from 27,216 in the plan year 2022 filing to 18,984 in the plan year 2023 filing.
- Rock Holdings & Associated Companies Savings Plan end-of-year assets rose from $1.6B in the plan year 2022 filing to $1.9B in the plan year 2023 filing.
Participants vs Michigan filers
In Michigan, the average filing covers about 638 participants across 4,220 plans. Rock Holdings & Associated Companies Savings Plan reports 18,984 participants - 30x that state average ($1.9B EOY assets).
Michigan filing particulars
| Total Assets (Beginning of Year) | $1.6B |
|---|---|
| Net Assets (End of Year) | $1.9B |
| Net Income | $290M |
| 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.
- General Motors Retirement Savings Plan for Salaried Employees in the United States $20.4B · 47,299
- Ford Motor Co. Savings and Stock Investment Plan for Salaried Employees $15.6B · 30,516
- The Dow Chemical Company Employees' Savings Plan $10.1B · 18,088
- The General Motors Personal Savings Plan for Hourly-Rate Employees in the United States $8.6B · 40,393
- Ford Motor Co. Tax-Efficient Savings Plan for Hourly Employees $7.6B · 59,195
Scale composition for Rock Holdings & Associated Companies Savings Plan
Rock Holdings & Associated Companies Savings Plan reports $1.9B in end-of-year assets across 18,984 participants (0.016% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.020% of 93,925,755 covered participants) - about $101,444 per participant (73% of the national average assets-per-participant) . Net income for plan year 2023 was $290M.
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 | Open filing |
| 2023 | 18,984 | $1.9B | This page |
| 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.
- Tcs 401(k) Plan (NJ) $1.9B · 52,922
- Ori 401(k) Savings and Profit Sharing Plan (IL) $1.9B · 9,909
- Ncr Savings Plan (GA) $1.9B · 10,310
- Assurant 401(k) Plan (GA) $1.9B · 10,733
Frequently Asked Questions
How did Rock Holdings & Associated Companies Savings Plan assets move in 2023? ▼
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? ▼
Next read for Rock Holdings & Associated Companies Sav…
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