401(k) · DOL Form 5500 · 2023
Builders Firstsource, Inc. 401(k) Plan
Data updated 2026-08-11
- $1.6B
- Total assets
- 30,742
- Participants
- 99th
- Percentile by assets
- $50,934
- Avg per participant
Official DOL plan name: Builders Firstsource 401(k) Savings Plan · Sponsored by Builders Firstsource, Inc. · Massachusetts · Wholesale Trade
$1.6B in assets, 30,742 participants
Builders Firstsource, Inc.'s Builders Firstsource 401(k) Savings Plan reported $1.6B in total assets and 30,742 participants in its 2023 DOL Form 5500 filing, ranking in the 99th 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.
- 99th percentile by assets (of 127,072 plans)
- #6,277 in Wholesale Trade (6,309 peers)
Coverage in Massachusetts
Builders Firstsource 401(k) Savings Plan covers 30,742 participants in Massachusetts, 47x the typical Massachusetts plan (state average ~659 per filing). Assets: $1.6B.
- $1.6B
- total plan assets (2023 EOY)
- 30,742
- covered participants
- 99th
- percentile by assets (of 127,072 plans)
- $50,934
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- Builders Firstsource 401(k) Savings Plan reported net income rose from -$198M in the plan year 2022 filing to $212M in the plan year 2023 filing.
- Builders Firstsource 401(k) Savings Plan reported participants rose from 17,325 in the plan year 2022 filing to 30,742 in the plan year 2023 filing.
- Builders Firstsource 401(k) Savings Plan end-of-year assets rose from $1.3B in the plan year 2022 filing to $1.6B in the plan year 2023 filing.
Participants vs Massachusetts filers
In Massachusetts, the average filing covers about 659 participants across 4,265 plans. Builders Firstsource 401(k) Savings Plan reports 30,742 participants - 47x that state average ($1.6B EOY assets).
Massachusetts filing particulars
| Total Assets (Beginning of Year) | $1.3B |
|---|---|
| Net Assets (End of Year) | $1.6B |
| Net Income | $212M |
| Employer EIN | 522084569 |
| Plan Effective Date | 1998-07-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Builders Firstsource, Inc.)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 17,325 | $1.3B |
| 2023 | 1 | 30,742 | $1.6B |
| 2024 | 1 | 29,871 | $1.7B |
Nearby 401(k) Plans in Massachusetts
Peer 401(k) plans, same state, same plan type, ranked by total assets.
Builders Firstsource 401(k) Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
- Fidelity Retirement Savings Plan $28.6B · 62,289
- Liberty Mutual 401(k) Plan $10.6B · 37,052
- Massachusetts Institute of Technology Supplemental 401(k) Plan $6.8B · 14,094
- Boston Scientific Corporation 401(k) Retirement Savings Plan $5.8B · 19,881
- Philips North America 401(k) Plan $5.8B · 19,120
Scale composition for Builders Firstsource 401(k) Savings Plan
Builders Firstsource 401(k) Savings Plan reports $1.6B in end-of-year assets across 30,742 participants (0.013% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.033% of 93,925,755 covered participants) - about $50,934 per participant (37% of the national average assets-per-participant) . Net income for plan year 2023 was $212M.
This plan identity (EIN 522084569, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.3B to $1.7B (+29.3%) while covered participants moved from 17,325 to 29,871 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 17,325 | $1.3B | Open filing |
| 2023 | 30,742 | $1.6B | This page |
| 2024 · index core | 29,871 | $1.7B | Open filing |
The same sponsor also keeps 1 other index-core plan on PlainRetire:
- Builders Firstsource 401(k) Savings Plan (401(k), $1.7B, 29,871 participants)
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Builders Firstsource 401(k) Savings Plan by total assets, not by location.
- Xylem Retirement Savings Plan (NY) $1.6B · 4,636
- S.C. Johnson & Son, Inc. Employees Deferred Profit and Savings Plan (WI) $1.6B · 3,171
- Emcor Group, Inc. 401(k) Savings Plan (CT) $1.6B · 12,575
- The Sci 401(k) Retirement Savings Plan (TX) $1.6B · 21,872
Frequently Asked Questions
How did Builders Firstsource 401(k) Savings Plan assets move in 2023? ▼
How have Builders Firstsource, Inc. plan assets changed over time? ▼
Where does Builders Firstsource 401(k) Savings Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Builders Firstsource 401(k) Savings Plan? ▼
Next read for Builders Firstsource 401(k) Savings Plan
Filing takeaways
Ways to act on Builders Firstsource 401(k) Savings Plan's numbers.
- By total assets, Builders Firstsource 401(k) Savings Plan ranks among the largest 1% of all filed plans. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in Massachusetts. Compare plans
- Builders Firstsource, Inc.'s sponsor-wide assets have grown 29.3% since 2022 across 3 plan years on file. More Wholesale Trade plans