401(k) · DOL Form 5500 · 2023

Simpson Manufacturing Co., Inc 401(k) Plan

Data updated 2026-08-25

$383M
Total assets Above avg plan size
2,440
Participants Above avg headcount
97th
Percentile by assets National rank
$156,810
Avg per participant Above avg balance/head
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Official DOL plan name: Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan · Sponsored by Simpson Manufacturing Co., Inc · California · Manufacturing

$383M in assets, 2,440 participants

Simpson Manufacturing Co., Inc's Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan reported $383M in total assets and 2,440 participants in its 2023 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.

  • #17,764 in Manufacturing (18,722 peers)

Coverage in California

Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan covers 2,440 participants in California, 3.9x the typical California plan (state average ~630 per filing). Assets: $383M.

#17,764
in Manufacturing (18,722 peers)
+30.1%
assets growth YoY
3.8×
vs typical plan assets (national mean)

Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan's outsized position by total assets

Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$382,615,447 Top 3% higher than 97% of 127,068 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 2023

Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan lands in the large band (2,440 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan reported net income rose from -$37M in the plan year 2022 filing to $89M in the plan year 2023 filing.
  • Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan end-of-year assets rose from $294M in the plan year 2022 filing to $383M in the plan year 2023 filing.
  • Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan reported participants rose from 2,259 in the plan year 2022 filing to 2,440 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 943196943 · Simpson Manufacturing Co., Inc PY 2023 · 401(k)

Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan · $383M · 2,440 · 97th

  • TYPE $383M
  • TYPE 2,440
  • TYPE 97th
  • TYPE 401(k)
  • TYPE near Richemont North America, Inc. Retirement Plan
  • TYPE ind #17764

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 Manufacturing retirement plans → · Plans in California →

Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan in the asset neighbourhood

Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing PlanSimpson Manufacturing Co. , …$383MRichemont North America, Inc. Retirement PlanRichemont North America, Inc…$383MSylvamo Savings Plan$382MBgc Group, Inc. Deferral Plan for Employees of Bgc Group, Inc., Cantor Fitzgerald, L.P. and Its AffiliatesBgc Group, Inc. Deferral Pla…$382MO'neal Steel 401(k) Plan$382M
End-of-year total assets ($M) among Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

California filing particulars

Total Assets (Beginning of Year)$294M
Net Assets (End of Year)$383M
Net Income$89M
Employer EIN943196943
Plan Effective Date1956-10-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Simpson Manufacturing Co., Inc)

Sponsor-wide plan assets over time

All Simpson Manufacturing Co., Inc plans reported in each filing year

Latest sponsor-wide plan assets
$443M 50.81075119774812% vs 2022
2024 filing year
$250M$300M$350M$400M$450M$500M 202220232024 $294M $443M ▲ +50.8%
Year Plans Participants Total Assets
2022 1 2,259 $294M
2023 1 2,440 $383M
2024 2 2,663 $443M

Nearby 401(k) Plans in California

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan, Total assets ($B): 0.382615447 · Participants: 2440Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing PlanWells Fargo & Company 401(k) Plan, Total assets ($B): 51.831350351 · Participants: 193919Wells Fargo & Company 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 39.047152408 · Participants: 122867Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 26.320437734 · Participants: 63105Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 22.17918189 · Participants: 59863Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 19.779511539 · Participants: 106111Apple 401(k) Plan
Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan side-by-side with 3 peers →

Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Richemont North America, Inc. Retirement Plan in CT ($383M); by covered participants it is Aptargroup, Inc. Profit Sharing and Savings Plan in IL (2,441 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (2,440 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan assets move in 2023? ▼
Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan surged - up 30.1% during 2023, from $294M to $383M. Reported net income was $89M.
How have Simpson Manufacturing Co., Inc plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Simpson Manufacturing Co., Inc's sponsor-wide assets grew 50.8%, from $294M to $443M.
Where does Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan rank by assets among Form 5500 filers? ▼
Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan ranks in the 97th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by assets is Richemont North America, Inc. Retirement Plan in CT ($383M, 3,197 participants).
Which 401(k) plans cover a similar participant headcount to Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Aptargroup, Inc. Profit Sharing and Savings Plan in IL (2,441 participants, $286M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 943196943.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.