401(k) · DOL Form 5500 · 2024
Summit Materials LLC 401(k) Plan
Data updated 2026-08-11
- $469M
- Total assets
- 5,333
- Participants
- 97th
- Percentile by assets
- $87,920
- Avg per participant
Official DOL plan name: Summit Materials 401(k) Retirement Plan · Sponsored by Summit Materials LLC · Colorado · Construction
$469M in assets, 5,333 participants
Summit Materials LLC's Summit Materials 401(k) Retirement Plan reported $469M in total assets and 5,333 participants in its 2024 DOL Form 5500 filing, ranking in the 97th 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.
- 97th percentile by assets (of 123,622 plans)
- #8,741 in Construction (9,039 peers)
Coverage in Colorado
Summit Materials 401(k) Retirement Plan covers 5,333 participants in Colorado, 14x the typical Colorado plan (state average ~376 per filing). Assets: $469M.
- $469M
- total plan assets (2024 EOY)
- 5,333
- covered participants
- 97th
- percentile by assets (of 123,622 plans)
- $87,920
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Summit Materials 401(k) Retirement Plan end-of-year assets rose from $302M in the plan year 2023 filing to $469M in the plan year 2024 filing.
- Summit Materials 401(k) Retirement Plan reported net income fell from $40M in the plan year 2023 filing to $22M in the plan year 2024 filing.
- Summit Materials 401(k) Retirement Plan reported participants rose from 4,622 in the plan year 2023 filing to 5,333 in the plan year 2024 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 5,333 participants - 14x that state average ($469M EOY assets).
Colorado filing particulars
| Total Assets (Beginning of Year) | $302M |
|---|---|
| Net Assets (End of Year) | $469M |
| Net Income | $22M |
| 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 $3.8B · 57,900
- Ball Corporation 401(k) and Employee Stock Ownership Plan $2.3B · 9,935
- Arcadis U.S., Inc. Retirement Savings Plan $2.3B · 7,607
- Empower Retirement, LLC 401(k) Savings Plan $2.2B · 10,185
- Woodward Retirement Savings Plan $2.0B · 6,210
Scale composition for Summit Materials 401(k) Retirement Plan
Summit Materials 401(k) Retirement Plan reports $469M in end-of-year assets across 5,333 participants (0.004% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.006% of 93,925,755 covered participants) - about $87,920 per participant (64% of the national average assets-per-participant) . Net income for plan year 2024 was $22M.
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 | Open filing |
| 2023 | 4,622 | $302M | Open filing |
| 2024 · index core | 5,333 | $469M | This page |
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.
- Presidio LLC 401(k) Plan (VA) $469M · 2,676
- Venetian Las Vegas Gaming, LLC 401(k) Plan (NV) $469M · 8,275
- Nec Corporation of America Retirement Plan (TX) $469M · 713
- Rheem Defined Contribution Plan (GA) $469M · 3,329
Frequently Asked Questions
How did Summit Materials 401(k) Retirement Plan assets move in 2024? ▼
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