401(k)
2024 plan-year 401(k) DOL Form 5500

Littelfuse, Inc. 401(k) Retirement and Savings Plan

ERISA Form 5500 plan record drawn from DOL EBSA — verify with linked source filings below.

Sponsored by Littelfuse, Inc. · Illinois · Manufacturing

What the 2023 filing shows

Littelfuse, Inc. 401(k) Retirement and Savings Plan holds $266M for 953 participants — about $279,192 per participant, up 9.0% over the 2024 plan year.

$266M
total plan assets (2024 EOY)
953
covered participants
$279,192
avg assets per participant
+9.0%
assets growth YoY
Total Assets (2023)
$266M
Participants
953
State
Industry
Manufacturing

What the Filing Says About Littelfuse, Inc. 401(k) Retirement and Savings Plan

Littelfuse, Inc. 401(k) Retirement and Savings Plan is a 401(k) retirement plan sponsored by Littelfuse, Inc., headquartered in Illinois. As of the 2024 Form 5500 filing, the plan reports $266M in total end-of-year assets and covers 953 participants across the Manufacturing industry. The sponsor's EIN on file with the U.S. Department of Labor is 363795742, and the plan has been effective since 1993-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets moved from $244M at the beginning of 2024 to $266M at year-end — a gain of 9.0%. Net assets (after liabilities) closed the year at $266M, with reported net income of $22M driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return and can be compared against 2 prior plan-year filings from the same sponsor shown below.

Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows — a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.

Financial Summary (2023)

Total Assets (Beginning of Year)$244M
Total Assets (End of Year)$266M
Net Assets (End of Year)$266M
Net Income$22M
Plan Type401(k)
Employer EIN363795742
Plan Effective Date1993-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Littelfuse, Inc.)

Year Plans Participants Total Assets
2022 1 698 $203M
2023 1 1,018 $244M
2024 1 953 $266M

Nearby 401(k) Plans in Illinois

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Frequently Asked Questions

How much money is in the Littelfuse, Inc. 401(k) Retirement and Savings Plan?
As of the 2024 Form 5500 filing, Littelfuse, Inc. 401(k) Retirement and Savings Plan holds $266M in total assets with 953 participants. It is sponsored by Littelfuse, Inc..
What type of plan is Littelfuse, Inc. 401(k) Retirement and Savings Plan?
Littelfuse, Inc. 401(k) Retirement and Savings Plan is a 401(k) plan. It has been effective since 1993-01-01. The plan is filed with the U.S. Department of Labor under EIN 363795742.
Who sponsors the Littelfuse, Inc. 401(k) Retirement and Savings Plan?
Littelfuse, Inc. 401(k) Retirement and Savings Plan is sponsored by Littelfuse, Inc., located in Illinois. The sponsor's EIN is 363795742 and the plan operates in the Manufacturing industry.
How did Littelfuse, Inc. 401(k) Retirement and Savings Plan perform in 2024?
Littelfuse, Inc. 401(k) Retirement and Savings Plan grew by 9.0% during 2024, moving from $244M to $266M in total assets. Net income was $22M.
Where can I find official filings for Littelfuse, Inc. 401(k) Retirement and Savings Plan?
Official Form 5500 filings for Littelfuse, Inc. 401(k) Retirement and Savings Plan are available through the U.S. Department of Labor's EFAST2 system. Search by EIN 363795742 or plan name at efast.dol.gov.
How does Littelfuse, Inc. 401(k) Retirement and Savings Plan compare to other plans?
You can compare Littelfuse, Inc. 401(k) Retirement and Savings Plan against other 401(k) plans on the plan type page, or view plans in Illinois on the state page. PlainRetire tracks the 5,000 largest retirement plans in the U.S. by total assets.

Explore PlainRetire

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.

Reference: IRS Publication 560 — Retirement Plans for Small Business, contribution-limit rules.

Reference: IRS Publication 590-B — Distributions from IRAs, RMD rules under SECURE Act 2.0.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.