401(k) · DOL Form 5500 · 2022

Summit Materials LLC 401(k) Plan

Data updated 2026-08-25

$255M
Total assets Near avg plan size
6,144
Participants Above avg headcount
96th
Percentile by assets National rank
$41,529
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

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.

  • #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.

#9,511
in Construction (9,927 peers)
-21.2%
assets change YoY
2.6×
vs typical plan assets (national mean)

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.

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 2022 · DOL Form 5500

$255,155,328 Top 4% higher than 96% of 139,123 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 2022

Summit Materials 401(k) Retirement Plan's large-plan peer group by participant headcount

Plan-year 2022 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 (6,144 participants).

Plan-year Form 5500 strip

Filing strip 264138486 · Summit Materials LLC PY 2022 · 401(k)

Summit Materials 401(k) Retirement Plan · $255M · 6,144 · 96th

  • 5500 $255M
  • ASSETS 6,144
  • PCT 96th
  • EIN 401(k)
  • RANK near Maynard Nexsen PC 401(k) Plan & Trust
  • PHOTO ind #9511

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

Mondelez Global LLC Tip Plan$255MMaynard Nexsen PC 401(k) Plan & TrustMaynard Nexsen PC 401(k) Pla…$255MSummit Materials 401(k) Retirement PlanSummit Materials 401(k) Reti…$255MFirst Solar, Inc. 401(k) Plan$255MMosaic Union Savings Plan$255M
End-of-year total assets ($M) among Summit Materials 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Colorado filing particulars

Total Assets (Beginning of Year)$324M
Net Assets (End of Year)$255M
Net Income-$69M
Employer EIN264138486
Plan Effective Date2015-01-01
Filing StatusFILING 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
$200M$300M$400M$500M 202220232024 $255M $469M ▲ +83.8%
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 Scatter plot of 6 data points. 0200004000060000 0123 Total assets ($B) Participants Summit Materials 401(k) Retirement Plan, Total assets ($B): 0.255155328 · Participants: 6144Summit Materials 401(k) Retirement PlanDavita Retirement Savings Plan, Total assets ($B): 2.75238679 · Participants: 57172Davita Retirement Savings PlanBall Corporation 401(k) and Employee Stock Ownership Plan, Total assets ($B): 2.51543651 · Participants: 10671Ball Corporation 401(k) and Employee Stock Ownership PlanScl Health 401(k) Retirement Savings Plan, Total assets ($B): 1.514958969 · Participants: 12642Scl Health 401(k) Retirement Savings PlanWoodward Retirement Savings Plan, Total assets ($B): 1.504801917 · Participants: 5046Woodward Retirement Savings PlanEmpower Retirement, LLC 401(k) Savings Plan, Total assets ($B): 1.49307635 · Participants: 7741Empower Retirement, LLC 401(k) Savings Plan
Summit Materials 401(k) Retirement Plan vs. nearby 401(k) plans in Colorado, assets vs. participants

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

Outside Colorado, the nearest 401(k) by assets is Maynard Nexsen PC 401(k) Plan & Trust in AL ($255M); by covered participants it is Kompass Kapital Management, LLC 401(k) Retirement in KS (6,145 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($255M here).

Similar participant headcount

Nearest other-state filings by covered participants (6,144 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Summit Materials 401(k) Retirement Plan assets move in 2022? ▼
Summit Materials 401(k) Retirement Plan declined sharply - down 21.2% during 2022, from $324M to $255M. Reported net income was -$69M.
How have Summit Materials LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Summit Materials LLC's sponsor-wide assets grew 83.8%, from $255M to $469M.
Where does Summit Materials 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼
Summit Materials 401(k) Retirement Plan ranks in the 96th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Summit Materials 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Maynard Nexsen PC 401(k) Plan & Trust in AL ($255M, 389 participants).
Which 401(k) plans cover a similar participant headcount to Summit Materials 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Kompass Kapital Management, LLC 401(k) Retirement in KS (6,145 participants, $12M in assets).