Littelfuse, Inc.
Littelfuse, Inc. (Nasdaq: LFUS) designs, manufactures and markets electronic components, modules, subassemblies and integrated solutions for circuit protection, power control and sensing. Its products serve customers across electronics, transportation and industrial markets, including original equipment manufacturers,… From the company’s description.
In fiscal 2025, Littelfuse, Inc. reported revenue of $2.39B, up 8.9% from fiscal 2024, and a net loss of $71.70M. Its operating margin was 1.6%, and operations generated $433.76M in cash. Over the twelve months to Jun 27, 2026, revenue was $2.61B.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Littelfuse, Inc. does
In the company’s own words
Littelfuse, Inc. (Nasdaq: LFUS) designs, manufactures and markets electronic components, modules, subassemblies and integrated solutions for circuit protection, power control and sensing. Its products serve customers across electronics, transportation and industrial markets, including original equipment manufacturers, automotive and commercial vehicle suppliers, distributors, electrical contractors, factories, municipalities and utilities. The Electronics segment offers fuses, switches, interconnects, sensors and semiconductor devices; Transportation supplies vehicle circuit protection, power control and sensing products; and Industrial provides fuses, controls, relays and sensors. Fiscal 2025 net sales were $2.39 billion: $1.35 billion in Electronics, $676.4 million in Transportation and $364.4 million in Industrial. The company sells worldwide through direct sales, distributors and manufacturers’ representatives, with approximately 65% of fiscal 2025 sales to customers outside the United States. Its portfolio includes C&K electromechanical switches, and the 2025 acquisition of Basler Electric added electrical control and protection solutions for industrial markets. Founded in 1927, Littelfuse operates in more than 20 countries and had approximately 17,000 employees at fiscal year-end 2025. Its website is https://www.littelfuse.com.
Company details
- Sector
- Information Technology
- Industry (SIC)
- Electronic Equipment
- Headquarters
- ROSEMONT, IL
- Fiscal year end
- December
- CIK
- 889331
- SIC
- 3613
Financial performance, year by year
Fiscal 2012–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Littelfuse, Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Superinvestors in Littelfuse, Inc. · what they did last quarter
Share of each manager’s reported 13F portfolio. Change is in shares held, since the previous quarter.
Largest fund holders · Littelfuse, Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Fund ownership is a subset of institutional 13F ownership — the two describe overlapping populations and must not be added together.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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