401(k) · DOL Form 5500 · 2022
Summit Materials LLC 401(k) Plan
Data updated 2026-08-11
- $255M
- Total assets
- 6,144
- Participants
- 96th
- Percentile by assets
- $41,529
- Avg per participant
Official DOL plan name: Summit Materials 401(k) Retirement Plan · Sponsored by Summit Materials LLC · Colorado · Construction
$255M in assets, 6,144 participants
Summit Materials LLC's Summit Materials 401(k) Retirement Plan reported $255M in total assets and 6,144 participants in its 2022 DOL Form 5500 filing, ranking in the 96th 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.
- 96th percentile by assets (of 139,126 plans)
- #9,511 in Construction (9,927 peers)
Coverage in Colorado
Summit Materials 401(k) Retirement Plan covers 6,144 participants in Colorado, 16x the typical Colorado plan (state average ~376 per filing). Assets: $255M.
- $255M
- total plan assets (2022 EOY)
- 6,144
- covered participants
- 96th
- percentile by assets (of 139,126 plans)
- $41,529
- avg assets per participant
The plan reported a net loss of $69M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
Participants vs Colorado filers
In Colorado, the average filing covers about 376 participants across 2,719 plans. Summit Materials 401(k) Retirement Plan reports 6,144 participants - 16x that state average ($255M EOY assets).
Colorado filing particulars
| Total Assets (Beginning of Year) | $324M |
|---|---|
| Net Assets (End of Year) | $255M |
| Net Income | -$69M |
| Employer EIN | 264138486 |
| Plan Effective Date | 2015-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Summit Materials LLC)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 6,144 | $255M |
| 2023 | 1 | 4,622 | $302M |
| 2024 | 1 | 5,333 | $469M |
Nearby 401(k) Plans in Colorado
Peer 401(k) plans, same state, same plan type, ranked by total assets.
Summit Materials 401(k) Retirement Plan vs. nearby 401(k) plans in Colorado, assets vs. participants
- Davita Retirement Savings Plan $2.8B · 57,172
- Ball Corporation 401(k) and Employee Stock Ownership Plan $2.5B · 10,671
- Scl Health 401(k) Retirement Savings Plan $1.5B · 12,642
- Woodward Retirement Savings Plan $1.5B · 5,046
- Empower Retirement, LLC 401(k) Savings Plan $1.5B · 7,741
Scale composition for Summit Materials 401(k) Retirement Plan
Summit Materials 401(k) Retirement Plan reports $255M in end-of-year assets across 6,144 participants (0.002% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.007% of 93,925,755 covered participants) - about $41,529 per participant (30% of the national average assets-per-participant) . Net income for plan year 2022 was -$69M.
This plan identity (EIN 264138486, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $255M to $469M (+83.8%) while covered participants moved from 6,144 to 5,333 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 6,144 | $255M | This page |
| 2023 | 4,622 | $302M | Open filing |
| 2024 · index core | 5,333 | $469M | Open filing |
The same sponsor also keeps 1 other index-core plan on PlainRetire:
- Summit Materials 401(k) Retirement Plan (401(k), $469M, 5,333 participants)
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Summit Materials 401(k) Retirement Plan by total assets, not by location.
- Maynard Nexsen PC 401(k) Plan & Trust (AL) $255M · 389
- First Solar, Inc. 401(k) Plan (OH) $255M · 1,964
- Mondelez Global LLC Tip Plan (IL) $255M · 2,413
- Mosaic Union Savings Plan (FL) $255M · 1,769
Frequently Asked Questions
How did Summit Materials 401(k) Retirement Plan assets move in 2022? ▼
How have Summit Materials LLC plan assets changed over time? ▼
Where does Summit Materials 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Summit Materials 401(k) Retirement Plan? ▼
Next read for Summit Materials 401(k) Retirement Plan
Filing takeaways
Ways to act on Summit Materials 401(k) Retirement Plan's numbers.
- By total assets, Summit Materials 401(k) Retirement Plan ranks in the top 5% of all filed plans by assets. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in Colorado. Compare plans
- Summit Materials LLC's sponsor-wide assets have grown 83.8% since 2022 across 3 plan years on file. More Construction plans