401(k) · DOL Form 5500 · 2024

Granite Rock Company 401(k) Plan

Data updated 2026-08-25

$133M
Total assets Near avg plan size
383
Participants Below avg headcount
92nd
Percentile by assets National rank
$346,562
Avg per participant High balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Graniterock 401(k) Plan · Sponsored by Granite Rock Company · California · Construction

$133M in assets, 383 participants

Granite Rock Company's Graniterock 401(k) Plan reported $133M in total assets and 383 participants in its 2024 DOL Form 5500 filing, ranking in the 92nd 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.

  • #8,215 in Construction (9,039 peers)

Where Graniterock 401(k) Plan sits by assets

Graniterock 401(k) Plan sits in the top 10% of all filed plans by assets, $133M for 383 participants (~$346,562/participant), up 16.0% in 2024.

#8,215
in Construction (9,039 peers)
+16.0%
assets growth YoY
1.3×
vs typical plan assets (national mean)

Graniterock 401(k) Plan's outsized position by total assets

Graniterock 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$132,733,074 Top 8% higher than 92% of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Graniterock 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Graniterock 401(k) Plan sits mid-pack in the medium band (383 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Graniterock 401(k) Plan reported net income rose from $14M in the plan year 2023 filing to $18M in the plan year 2024 filing.
  • Graniterock 401(k) Plan end-of-year assets rose from $114M in the plan year 2023 filing to $133M in the plan year 2024 filing.
  • Graniterock 401(k) Plan reported participants fell from 391 in the plan year 2023 filing to 383 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 940519560 · Granite Rock Company PY 2024 · 401(k)

Graniterock 401(k) Plan · $133M · 383 · 92nd

  • VS-ST $133M
  • VS-ST 383
  • VS-ST 92nd
  • VS-ST 401(k)
  • VS-ST near Zausner Foods Corp. and Participating Employers Savings Plus Plan
  • VS-ST ind #8215

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 Construction retirement plans → · Plans in California →

Graniterock 401(k) Plan in the asset neighbourhood

Arka Group, L.P. Retirement Savings PlanArka Group, L.P. Retirement …$133MGraniterock 401(k) Plan$133MZausner Foods Corp. and Participating Employers Savings Plus PlanZausner Foods Corp. and Part…$133MCarepathrx 401(k) Plan$133MHudson River Trading LLC 401(k) PlanHudson River Trading LLC 401…$133M
End-of-year total assets ($M) among Graniterock 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$114M
Net Assets (End of Year)$133M
Net Income$18M
Employer EIN940519560
Plan Effective Date1955-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Granite Rock Company)

Sponsor-wide plan assets over time

All Granite Rock Company plans reported in each filing year

Latest sponsor-wide plan assets
$133M 32.24919140105841% vs 2022
2024 filing year
$90M$100M$110M$120M$130M$140M 202220232024 $100M $133M ▲ +32.2%
Year Plans Participants Total Assets
2022 1 390 $100M
2023 1 391 $114M
2024 1 383 $133M

Nearby 401(k) Plans in California

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Graniterock 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Graniterock 401(k) Plan, Total assets ($B): 0.132733074 · Participants: 383Graniterock 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 48.738057415 · Participants: 116712Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 31.02646504 · Participants: 58962Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 24.850880304 · Participants: 55298Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 24.714519387 · Participants: 101450Apple 401(k) PlanCisco Systems,Inc. 401(k) Plan, Total assets ($B): 22.728425546 · Participants: 40452Cisco Systems,Inc. 401(k) Plan
Graniterock 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Graniterock 401(k) Plan side-by-side with 3 peers →

Graniterock 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Zausner Foods Corp. and Participating Employers Savings Plus Plan in PA ($133M); by covered participants it is R.N. Industries Trucking, Inc. Profit Sharing Plan in UT (383 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($133M here).

Similar participant headcount

Nearest other-state filings by covered participants (383 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Graniterock 401(k) Plan assets move in 2024? ▼
Graniterock 401(k) Plan grew sharply - up 16.0% during 2024, from $114M to $133M. Reported net income was $18M.
How have Granite Rock Company plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Granite Rock Company's sponsor-wide assets grew 32.2%, from $100M to $133M.
Where does Graniterock 401(k) Plan rank by assets among Form 5500 filers? ▼
Graniterock 401(k) Plan ranks in the 92nd percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Graniterock 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Zausner Foods Corp. and Participating Employers Savings Plus Plan in PA ($133M, 902 participants).
Which 401(k) plans cover a similar participant headcount to Graniterock 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is R.N. Industries Trucking, Inc. Profit Sharing Plan in UT (383 participants, $4M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 940519560.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.