401(k) · DOL Form 5500 · 2024

Littelfuse, Inc. 401(k) Plan

Data updated 2026-08-25

$266M
Total assets Near avg plan size
953
Participants Near avg headcount
95th
Percentile by assets National rank
$279,192
Avg per participant High balance/head
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Official DOL plan name: Littelfuse, Inc. 401(k) Retirement and Savings Plan · Sponsored by Littelfuse, Inc. · Illinois · Manufacturing

$266M in assets, 953 participants

Littelfuse, Inc.'s Littelfuse, Inc. 401(k) Retirement and Savings Plan reported $266M in total assets and 953 participants in its 2024 DOL Form 5500 filing, ranking in the 95th 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.

  • #16,495 in Manufacturing (17,777 peers)

Where Littelfuse, Inc. 401(k) Retirement and Savings Plan sits by assets

Littelfuse, Inc. 401(k) Retirement and Savings Plan sits in the top 5% of all filed plans by assets, $266M for 953 participants (~$279,192/participant), up 9.0% in 2024.

#16,495
in Manufacturing (17,777 peers)
+9.0%
assets growth YoY
2.7×
vs typical plan assets (national mean)

Littelfuse, Inc. 401(k) Retirement and Savings Plan's outsized position by total assets

Littelfuse, Inc. 401(k) Retirement and Savings Plan vs every filed plan by assets

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

$266,069,700 Top 5% higher than 95% 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

Littelfuse, Inc. 401(k) Retirement and Savings Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Littelfuse, Inc. 401(k) Retirement and Savings Plan sits mid-pack in the medium band (953 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Littelfuse, Inc. 401(k) Retirement and Savings Plan reported net income fell from $41M in the plan year 2023 filing to $22M in the plan year 2024 filing.
  • Littelfuse, Inc. 401(k) Retirement and Savings Plan end-of-year assets rose from $244M in the plan year 2023 filing to $266M in the plan year 2024 filing.
  • Littelfuse, Inc. 401(k) Retirement and Savings Plan reported participants fell from 1,018 in the plan year 2023 filing to 953 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 363795742 · Littelfuse, Inc. PY 2024 · 401(k)

Littelfuse, Inc. 401(k) Retirement and Savings Plan · $266M · 953 · 95th

  • NET $266M
  • BOOK 953
  • VS-ST 95th
  • BOY 401(k)
  • SCH near Hapag-Lloyd (America) LLC Savings and Investment Plan
  • EBSA ind #16495

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 Illinois →

Littelfuse, Inc. 401(k) Retirement and Savings Plan in the asset neighbourhood

Gei Profit Sharing and 401(k) PlanGei Profit Sharing and 401(k…$266MHapag-Lloyd (America) LLC Savings and Investment PlanHapag-Lloyd (America) LLC Sa…$266MLittelfuse, Inc. 401(k) Retirement and Savings PlanLittelfuse, Inc. 401(k) Reti…$266MFennemore Craig Retirement Plan for Directors and StaffFennemore Craig Retirement P…$266MDefined Contribution Retirement Plan of Moses Cone Health SystemDefined Contribution Retirem…$266M
End-of-year total assets ($M) among Littelfuse, Inc. 401(k) Retirement and 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)$244M
Net Assets (End of Year)$266M
Net Income$22M
Employer EIN363795742
Plan Effective Date1993-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Littelfuse, Inc.)

Sponsor-wide plan assets over time

All Littelfuse, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$266M 30.839173714698525% vs 2022
2024 filing year
$180M$200M$220M$240M$260M$280M 202220232024 $203M $266M ▲ +30.8%
Year Plans Participants Total Assets
2022 1 698 $203M
2023 1 1,018 $244M
2024 1 953 $266M

Nearby 401(k) Plans in Illinois

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

Littelfuse, Inc. 401(k) Retirement and Savings Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -50510152025 Total assets ($B) Participants Littelfuse, Inc. 401(k) Retirement and Savings Plan, Total assets ($B): 0.2660697 · Participants: 953Littelfuse, Inc. 401(k) Retirement and Savings PlanAccenture United States 401(k) Match and Savings Plan, Total assets ($B): 21.302643276 · Participants: 66965Accenture United States 401(k) Match and Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 19.010099056 · Participants: 63297State Farm 401(k) Savings PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 16.835964452 · Participants: 16659United Airlines Pilot Retirement Account PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 15.755668 · Participants: 38229Abbott Laboratories Stock Retirement PlanWalgreens Retirement Savings Plan, Total assets ($B): 14.535873337 · Participants: 233635Walgreens Retirement Savings Plan
Littelfuse, Inc. 401(k) Retirement and Savings Plan vs. nearby 401(k) plans in Illinois, assets vs. participants
Compare Littelfuse, Inc. 401(k) Retirement and Savings Plan side-by-side with 3 peers →

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

Outside Illinois, the nearest 401(k) by assets is Hapag-Lloyd (America) LLC Savings and Investment Plan in GA ($266M); by covered participants it is Walbridge Profit Sharing 401(k) Plan in MI (953 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (953 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 Littelfuse, Inc. 401(k) Retirement and Savings Plan assets move in 2024? ▼
Littelfuse, Inc. 401(k) Retirement and Savings Plan grew at a solid clip - up 9.0% during 2024, from $244M to $266M. Reported net income was $22M.
How have Littelfuse, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Littelfuse, Inc.'s sponsor-wide assets grew 30.8%, from $203M to $266M.
Where does Littelfuse, Inc. 401(k) Retirement and Savings Plan rank by assets among Form 5500 filers? ▼
Littelfuse, Inc. 401(k) Retirement and Savings Plan ranks in the 95th 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 Littelfuse, Inc. 401(k) Retirement and Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Hapag-Lloyd (America) LLC Savings and Investment Plan in GA ($266M, 978 participants).
Which 401(k) plans cover a similar participant headcount to Littelfuse, Inc. 401(k) Retirement and Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Walbridge Profit Sharing 401(k) Plan in MI (953 participants, $158M 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 363795742.

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.