401(k) · DOL Form 5500 · 2024

Simpson Manufacturing Co., Inc 401(k) Plan

Data updated 2026-08-11

$442M
Total assets: 2,663
Participants: 97th
Percentile by assets: $166,064
Avg per participant

Official DOL plan name: Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan · Sponsored by Simpson Manufacturing Co., Inc · California · Manufacturing

$442M in assets, 2,663 participants

Simpson Manufacturing Co., Inc's Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan reported $442M in total assets and 2,663 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)
#16,894 in Manufacturing (17,777 peers)

Coverage in California

Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan covers 2,663 participants in California, 4.2x the typical California plan (state average ~630 per filing). Assets: $442M.

$442M
total plan assets (2024 EOY): 2,663
covered participants: 97th
percentile by assets (of 123,622 plans): $166,064
avg assets per participant

Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan reported net income fell from $89M in the plan year 2023 filing to $60M in the plan year 2024 filing.
Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan end-of-year assets rose from $383M in the plan year 2023 filing to $442M in the plan year 2024 filing.
Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan reported participants rose from 2,440 in the plan year 2023 filing to 2,663 in the plan year 2024 filing.

See the national 2023→2024 release diff →

State

California

Industry

Manufacturing

Participants vs California filers

In California, the average filing covers about 630 participants across 15,291 plans. Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan reports 2,663 participants - 4.2x that state average ($442M EOY assets).

California filing particulars

Total Assets (Beginning of Year)	$383M
Net Assets (End of Year)	$442M
Net Income	$60M
Employer EIN	943196943
Plan Effective Date	1956-10-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Simpson Manufacturing Co., Inc)

Total plan assets by year, all Simpson Manufacturing Co., Inc plans on file

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

Google LLC 401(k) Savings Plan $48.7B · 116,712
Oracle Corporation 401(k) Savings and Investment Plan $31.0B · 58,962
Intel 401(k) Savings Plan $24.9B · 55,298
Apple 401(k) Plan $24.7B · 101,450
Cisco Systems,Inc. 401(k) Plan $22.7B · 40,452

Compare Simpson Manufacturing Co. , Inc. 401(k) … side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan by total assets, not by location.

Dechert LLP Salary Savings Plan (PA) $442M · 1,269
Leviton Manufacturing Co., Inc. Retirement Savings Plan (NY) $442M · 2,510
Kelley Drye & Warren LLP Retirement Savings Plan (NY) $442M · 563
Bgc Group, Inc. Deferral Plan for Employees of Bgc Group, Inc., Cantor Fitzgerald, L.P. and Its Affiliates (NY) $442M · 2,095

Frequently Asked Questions

How did Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan assets move in 2024? ▼

Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan grew sharply - up 15.6% during 2024, from $383M to $442M. Reported net income was $60M.

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 123,622 plans that reported assets for plan year 2024 (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 Dechert LLP Salary Savings Plan in PA ($442M, 1,269 participants).

Next read for Simpson Manufacturing Co. , Inc. 401(k) …

Filing takeaways

Ways to act on Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing Plan's numbers.

By total assets, Simpson Manufacturing Co. , Inc. 401(k) Profit Sharing 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 California. Compare plans
Simpson Manufacturing Co., Inc's sponsor-wide assets have grown 50.8% since 2022 across 3 plan years on file. More Manufacturing plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

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