401(k) · DOL Form 5500 · 2024

Littelfuse, Inc. 401(k) Plan

Data updated 2026-08-11

$266M
Total assets
953
Participants
95th
Percentile by assets
$279,192
Avg per participant
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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.

  • 95th percentile by assets (of 123,622 plans)
  • #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.

$266M
total plan assets (2024 EOY)
953
covered participants
95th
percentile by assets (of 123,622 plans)
$279,192
avg assets per participant

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 →

State
Industry

Littelfuse, Inc. 401(k) Retirement and Savings Plan vs the 2024 asset distribution

By assets, Littelfuse, Inc. 401(k) Retirement and Savings Plan outranks 95% of the 123,622 plans that filed a Form 5500 for the 2024 plan year, and holds roughly 2.7x the national average plan size of $100M (721 average participants).

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.)

$180M$200M$220M$240M$260M$280M 202220232024 $203M $266M ▲ +30.8%
Total plan assets by year, all Littelfuse, Inc. plans on file
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

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…Accenture United Sta…State Farm 401(k) Sa…United Airlines Pilo…Abbott Laboratories …Walgreens Retirement…
Littelfuse, Inc. 401(k) Retirement and Savings Plan vs. nearby 401(k) plans in Illinois, assets vs. participants

Similar-Sized 401(k) Plans Nationally

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

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).

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Ways to act on Littelfuse, Inc. 401(k) Retirement and Savings Plan's numbers.

  • By total assets, Littelfuse, Inc. 401(k) Retirement and 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 Illinois. Compare plans
  • Littelfuse, Inc.'s sponsor-wide assets have grown 30.8% since 2022 across 3 plan years on file. More Manufacturing plans