401(k) · DOL Form 5500 · 2024
Summit Materials LLC 401(k) Plan
Data updated 2026-08-25
- $469M
- Total assets Above avg plan size
- 5,333
- Participants Above avg headcount
- 97th
- Percentile by assets National rank
- $87,920
- Avg per participant Below avg balance/head
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.
- #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.
- #8,741
- in Construction (9,039 peers)
- +55.2%
- assets growth YoY
- 4.7×
- vs typical plan assets (national mean)
Summit Materials 401(k) Retirement Plan's outsized position by total assets
Summit Materials 401(k) Retirement Plan vs every filed plan by assets
End-of-year total assets · plan year 2024 · DOL Form 5500
$468,876,862 Top 3% higher than 97% of 123,620 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024
Summit Materials 401(k) Retirement Plan's large-plan peer group by participant headcount
Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Summit Materials 401(k) Retirement Plan lands in the large band (5,333 participants).
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.
EBSA filing schedule strip
Filing strip 264138486 · Summit Materials LLC PY 2024 · 401(k)
Summit Materials 401(k) Retirement Plan · $469M · 5,333 · 97th
- RANK $469M
- PHOTO 5,333
- IND 97th
- EOY 401(k)
- 5500 near Presidio LLC 401(k) Plan
- ASSETS ind #8741
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 Colorado →
Summit Materials 401(k) Retirement Plan in the asset neighbourhood
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)
Sponsor-wide plan assets over time
All Summit Materials LLC plans reported in each filing year
- Latest sponsor-wide plan assets
- $469M 83.76134477583787% vs 2022
- 2024 filing year
| 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.
- 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 |
Summit Materials 401(k) Retirement Plan's out-of-state 401(k) peers by assets and headcount
Outside Colorado, the nearest 401(k) by assets is Presidio LLC 401(k) Plan in VA ($469M); by covered participants it is Heico Holding, Inc. 401(k) Plan in IL (5,332 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($469M here).
- 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
Similar participant headcount
Nearest other-state filings by covered participants (5,333 participants); asset peers above are excluded.
- Heico Holding, Inc. 401(k) Plan (IL) 5,332 · 1 off
- Knife River Corporation 401(k) Retirement Plan (ND) 5,327 · 6 off
- Amphenol Corporation Employee Savings/401(k) Plan (CT) 5,339 · 6 off
- Fleet Farm 401(k)Plan (WI) 5,341 · 8 off
DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.