401(k) · DOL Form 5500 · 2024

Exponent, Inc. 401(k) Plan

Data updated 2026-08-11

$616M
Total assets: 1,073
Participants: 98th
Percentile by assets: $574,367
Avg per participant

Official DOL plan name: Exponent Inc. 401(k) Savings Plan · Sponsored by Exponent, Inc. · California · Professional & Technical Services

$616M in assets, 1,073 participants

Exponent, Inc.'s Exponent Inc. 401(k) Savings Plan reported $616M in total assets and 1,073 participants in its 2024 DOL Form 5500 filing, ranking in the 98th 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.

98th percentile by assets (of 123,622 plans)
#19,839 in Professional & Technical Services (20,173 peers)

Where Exponent Inc. 401(k) Savings Plan sits by assets

Exponent Inc. 401(k) Savings Plan sits in the top 5% of all filed plans by assets, $616M for 1,073 participants (~$574,367/participant), up 16.0% in 2024.

$616M
total plan assets (2024 EOY): 1,073
covered participants: 98th
percentile by assets (of 123,622 plans): $574,367
avg assets per participant

Where Exponent Inc. 401(k) Savings Plan sits by total assets

Exponent Inc. 401(k) Savings Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$616,295,858 Top 2% higher than 98% 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

Exponent Inc. 401(k) Savings Plan end-of-year assets rose from $531M in the plan year 2023 filing to $616M in the plan year 2024 filing.
Exponent Inc. 401(k) Savings Plan reported participants rose from 1,047 in the plan year 2023 filing to 1,073 in the plan year 2024 filing.
Exponent Inc. 401(k) Savings Plan reported net income fell from $86M in the plan year 2023 filing to $85M in the plan year 2024 filing.

See the national 2023→2024 release diff →

State

California

Industry

Professional & Technical Services

Exponent Inc. 401(k) Savings Plan vs the 2024 asset distribution

By assets, Exponent Inc. 401(k) Savings Plan outranks 98% of the 123,622 plans that filed a Form 5500 for the 2024 plan year, and holds roughly 6.2x the national average plan size of $100M (721 average participants).

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)	$531M
Net Assets (End of Year)	$616M
Net Income	$85M
Employer EIN	770218904
Plan Effective Date	1988-03-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Exponent, Inc.)

Total plan assets by year, all Exponent, Inc. plans on file

Year	Plans	Participants	Total Assets
2022	1	1,057	$445M
2023	1	1,047	$531M
2024	1	1,073	$616M

Nearby 401(k) Plans in California

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

Exponent Inc. 401(k) Savings 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 Exponent Inc. 401(k) Savings Plan side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Exponent Inc. 401(k) Savings Plan by total assets, not by location.

Eide Bailly LLP 401(k) Profit Sharing Plan (ND) $615M · 2,920
Sogeti USA 401(k) Profit Sharing Plan (IL) $617M · 2,002
Ugi Utilities, Inc. Savings Plan (PA) $618M · 2,750
A O Smith Retirement Security Plan (WI) $618M · 4,837

Frequently Asked Questions

How did Exponent Inc. 401(k) Savings Plan assets move in 2024? ▼

Exponent Inc. 401(k) Savings Plan grew sharply - up 16.0% during 2024, from $531M to $616M. Reported net income was $85M.

How have Exponent, Inc. plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Exponent, Inc.'s sponsor-wide assets grew 38.5%, from $445M to $616M.

Where does Exponent Inc. 401(k) Savings Plan rank by assets among Form 5500 filers? ▼

Exponent Inc. 401(k) Savings Plan ranks in the 98th 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 Exponent Inc. 401(k) Savings Plan? ▼

Among 401(k) plans in other states, the closest by assets is Eide Bailly LLP 401(k) Profit Sharing Plan in ND ($615M, 2,920 participants).

Next read for Exponent Inc. 401(k) Savings Plan

Scale reading

Ways to act on Exponent Inc. 401(k) Savings Plan's numbers.

By total assets, Exponent Inc. 401(k) Savings 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
Exponent, Inc.'s sponsor-wide assets have grown 38.5% since 2022 across 3 plan years on file. More Professional & Technical Services 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 770218904.