401(k) · DOL Form 5500 · 2023
Summit Materials LLC 401(k) Plan
Data updated 2026-08-11
- $302M
- Total assets
- 4,622
- Participants
- 96th
- Percentile by assets
- $65,359
- Avg per participant
Official DOL plan name: Summit Materials 401(k) Retirement Plan · Sponsored by Summit Materials LLC · Colorado · Construction
$302M in assets, 4,622 participants
Summit Materials LLC's Summit Materials 401(k) Retirement Plan reported $302M in total assets and 4,622 participants in its 2023 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 127,072 plans)
- #8,619 in Construction (9,030 peers)
Coverage in Colorado
Summit Materials 401(k) Retirement Plan covers 4,622 participants in Colorado, 12x the typical Colorado plan (state average ~376 per filing). Assets: $302M.
- $302M
- total plan assets (2023 EOY)
- 4,622
- covered participants
- 96th
- percentile by assets (of 127,072 plans)
- $65,359
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- Summit Materials 401(k) Retirement Plan reported net income rose from -$69M in the plan year 2022 filing to $40M in the plan year 2023 filing.
- Summit Materials 401(k) Retirement Plan reported participants fell from 6,144 in the plan year 2022 filing to 4,622 in the plan year 2023 filing.
- Summit Materials 401(k) Retirement Plan end-of-year assets rose from $255M in the plan year 2022 filing to $302M in the plan year 2023 filing.
Participants vs Colorado filers
In Colorado, the average filing covers about 376 participants across 2,719 plans. Summit Materials 401(k) Retirement Plan reports 4,622 participants - 12x that state average ($302M EOY assets).
Colorado filing particulars
| Total Assets (Beginning of Year) | $255M |
|---|---|
| Net Assets (End of Year) | $302M |
| Net Income | $40M |
| 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 $3.3B · 57,711
- Ball Corporation 401(k) and Employee Stock Ownership Plan $2.8B · 10,349
- Empower Retirement, LLC 401(k) Savings Plan $1.9B · 10,036
- Woodward Retirement Savings Plan $1.8B · 5,847
- Arcadis U.S., Inc. Retirement Savings Plan $1.7B · 5,491
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.
- Cma Cgm (America) LLC 401(k) Plan (VA) $302M · 1,540
- Bank Ozk 401(k) Retirement Savings Plan (AR) $302M · 2,691
- Osaic, Inc. Profit Sharing & 401(k) Plan (AZ) $302M · 2,427
- Perkins Coie Salary Deferral Plan (WA) $302M · 751
Frequently Asked Questions
How did Summit Materials 401(k) Retirement Plan assets move in 2023? ▼
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