401(k) · DOL Form 5500 · 2024

Exponent, Inc. 401(k) Plan

Data updated 2026-08-25

$616M
Total assets Above avg plan size
1,073
Participants Near avg headcount
98th
Percentile by assets National rank
$574,367
Avg per participant High balance/head
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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.

  • #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.

#19,839
in Professional & Technical Services (20,173 peers)
+16.0%
assets growth YoY
6.2×
vs typical plan assets (national mean)

Exponent Inc. 401(k) Savings Plan's outsized position 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

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 2024

Exponent Inc. 401(k) Savings Plan's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Exponent Inc. 401(k) Savings Plan lands in the large band (1,073 participants).

What changed between DOL Form 5500 filings

plan year 2023 → 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 →

Plan-year Form 5500 strip

Filing strip 770218904 · Exponent, Inc. PY 2024 · 401(k)

Exponent Inc. 401(k) Savings Plan · $616M · 1,073 · 98th

  • SCH $616M
  • SCH 1,073
  • SCH 98th
  • SCH 401(k)
  • SCH near Eide Bailly LLP 401(k) Profit Sharing Plan
  • SCH ind #19839

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 Professional & Technical Services retirement plans → · Plans in California →

Exponent Inc. 401(k) Savings Plan in the asset neighbourhood

A O Smith Retirement Security PlanA O Smith Retirement Securit…$618MUgi Utilities, Inc. Savings PlanUgi Utilities, Inc. Savings …$618MSogeti USA 401(k) Profit Sharing PlanSogeti USA 401(k) Profit Sha…$617MExponent Inc. 401(k) Savings PlanExponent Inc. 401(k) Savings…$616MEide Bailly LLP 401(k) Profit Sharing PlanEide Bailly LLP 401(k) Profi…$615M
End-of-year total assets ($M) among Exponent Inc. 401(k) Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$531M
Net Assets (End of Year)$616M
Net Income$85M
Employer EIN770218904
Plan Effective Date1988-03-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Exponent, Inc.)

Sponsor-wide plan assets over time

All Exponent, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$616M 38.45448049999877% vs 2022
2024 filing year
$400M$500M$600M$700M 202220232024 $445M $616M ▲ +38.5%
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 Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Exponent Inc. 401(k) Savings Plan, Total assets ($B): 0.616295858 · Participants: 1073Exponent Inc. 401(k) Savings PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 48.738057415 · Participants: 116712Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 31.02646504 · Participants: 58962Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 24.850880304 · Participants: 55298Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 24.714519387 · Participants: 101450Apple 401(k) PlanCisco Systems,Inc. 401(k) Plan, Total assets ($B): 22.728425546 · Participants: 40452Cisco Systems,Inc. 401(k) Plan
Exponent Inc. 401(k) Savings Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Exponent Inc. 401(k) Savings Plan side-by-side with 3 peers →

Exponent Inc. 401(k) Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Eide Bailly LLP 401(k) Profit Sharing Plan in ND ($615M); by covered participants it is Riverside Resort and Casino 401(k) Plan in NV (1,073 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($616M here).

Similar participant headcount

Nearest other-state filings by covered participants (1,073 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

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).
Which 401(k) plans cover a similar participant headcount to Exponent Inc. 401(k) Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Riverside Resort and Casino 401(k) Plan in NV (1,073 participants, $12M in assets).

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.

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.