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Littelfuse, Inc. (LFUS)

Littelfuse, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Littelfuse, Inc. (LFUS) is a Hardware, Equipment & Parts company based in US with a market capitalization of $11.7B. Revenue grew 8.9% year-over-year and the company generated $366.1M in free cash flow. This page tracks LFUS's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 16K employees · IPO Sep 22, 1992

Valuation

Valuation & price

$446.11 · as of May 17, 2026 · -8.8% vs 52w high

—

P/E ratio

Latest-FY diluted EPS

4.81

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$489$359$228Jul 25Dec 25Jul 26Jul 7, 25$231.61Jul 9, 25$237.36Jul 11, 25$233.85Jul 15, 25$228.23Jul 17, 25$233.47Jul 21, 25$232.18Jul 23, 25$232.48Jul 25, 25$230.34Jul 29, 25$235.79Jul 31, 25$257.33Aug 4, 25$253.00Aug 6, 25$249.18Aug 11, 25$245.41Aug 13, 25$263.42Aug 15, 25$250.64Aug 19, 25$252.85Aug 21, 25$250.11Aug 25, 25$262.16Aug 27, 25$262.41Aug 29, 25$259.83Sep 3, 25$254.51Sep 5, 25$262.63Sep 9, 25$261.12Sep 11, 25$271.17Sep 16, 25$263.53Sep 18, 25$266.49Sep 22, 25$264.24Sep 24, 25$259.97Sep 26, 25$259.82Sep 30, 25$259.01Oct 2, 25$259.04Oct 6, 25$260.51Oct 8, 25$258.90Oct 10, 25$249.87Oct 14, 25$260.77Oct 16, 25$267.15Oct 21, 25$269.29Oct 23, 25$269.34Oct 27, 25$271.84Oct 29, 25$252.47Oct 31, 25$243.31Nov 4, 25$241.22Nov 6, 25$241.22Nov 10, 25$246.48Nov 12, 25$246.27Nov 14, 25$240.68Nov 18, 25$236.29Nov 20, 25$234.94Nov 25, 25$252.96Nov 28, 25$256.02Dec 2, 25$253.48Dec 4, 25$258.99Dec 8, 25$259.17Dec 10, 25$266.69Dec 12, 25$262.26Dec 16, 25$253.15Dec 18, 25$251.38Dec 22, 25$256.25Dec 24, 25$260.53Dec 29, 25$257.34Jan 2, 26$262.54Jan 6, 26$278.59Jan 8, 26$272.78Jan 12, 26$275.93Jan 14, 26$280.34Jan 16, 26$297.28Jan 21, 26$301.50Jan 23, 26$290.35Jan 27, 26$296.17Jan 29, 26$326.50Feb 2, 26$325.28Feb 4, 26$331.26Feb 9, 26$348.69Feb 11, 26$357.88Feb 13, 26$359.55Feb 18, 26$348.65Feb 20, 26$370.33Feb 24, 26$368.60Feb 26, 26$362.48Mar 2, 26$361.39Mar 4, 26$337.91Mar 6, 26$302.28Mar 10, 26$323.79Mar 12, 26$325.81Mar 17, 26$336.08Mar 19, 26$332.78Mar 23, 26$330.20Mar 25, 26$352.12Mar 27, 26$333.27Mar 31, 26$339.35Apr 2, 26$346.54Apr 7, 26$343.99Apr 9, 26$376.36Apr 13, 26$387.04Apr 15, 26$385.95Apr 17, 26$389.49Apr 22, 26$394.55Apr 24, 26$407.14Apr 28, 26$389.32Apr 30, 26$404.17May 4, 26$424.27May 6, 26$441.67May 8, 26$457.03May 12, 26$456.23May 14, 26$459.99May 18, 26$436.00May 20, 26$441.26May 22, 26$460.48May 28, 26$473.60Jun 1, 26$463.46Jun 3, 26$484.65Jun 5, 26$457.34Jun 9, 26$456.00Jun 11, 26$462.98Jun 15, 26$476.90Jun 17, 26$466.44Jun 22, 26$489.10Jun 24, 26$463.69Jun 26, 26$452.36Jul 2, 26$418.47
$228.2352-week range$489.10
Loading valuation history…

Fundamentals

Key fundamentals

$11.7B

Market cap

8.9%

Revenue growth (YoY)

38.0%

Gross margin

$366.1M

Free cash flow (USD)

$382.5M

Net debt

0.3%

Share dilution

2/5

Graham criteria passed

Defensive-investor screen

Technology

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$1.1BFY 2017$1.2BFY 2018$1.7BFY 2019$1.5BFY 2020$1.4BFY 2021$2.1BFY 2022$2.5BFY 2023$2.4BFY 2024$2.2BFY 2025$2.4B
$1.1B$2.4B

Free cash flow by year

2016 → 2025

FY 2016$133.9MFY 2017$203.2MFY 2018$257.1MFY 2019$183.4MFY 2020$201.8MFY 2021$282.8MFY 2022$315.4MFY 2023$371.2MFY 2024$291.7MFY 2025$366.1M
$133.9M$366.1M

Gross margin by year

2021 → 2025

FY 202137.1%FY 202240.0%FY 202338.1%FY 202436.0%FY 202538.0%
37.1%38.0%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

9

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 6, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider sellInsider Sell $670KGorski Jeffrey G · SVP & Chief Accounting Officer · $670.2KJun 18, 2026Filing
  • Insider sellInsider Sell $687KHUNTER GORDON · Director · $687.4KJun 16, 2026Filing
  • Insider sellInsider Sell $1.4MGRILLO ANTHONY · Director · $1.4MJun 11, 2026Filing
  • Insider sellInsider Sell $294K · 10b5-1 PlanHUNTER GORDON · Director · $294.5KJun 4, 2026Filing
  • Insider sellInsider Sell $4.9MKim Peter Sung-Jip · SVP & GM Industrial Business · $4.9MJun 3, 2026Filing
  • Insider sellInsider Sell $5.0MChu Maggie · SVP, CHRO · $5MMay 21, 2026Filing
  • Insider sellInsider Sell $225KRuppel David · SVP & GM Transportation Bus. · $225.3KMay 20, 2026Filing
  • Insider sellInsider Sell $2.6MNayar Deepak · SVP & GM Electronics Business · $2.6MMay 20, 2026Filing
  • 8-K eventInvestor Day PresentationMay 14, 2026Filing
  • 8-K eventEarnings ReleaseMay 6, 2026Filing

Questions

Frequently asked questions

What is Littelfuse, Inc.'s market cap?

Littelfuse, Inc. (LFUS) has a market capitalization of $11.7B.

What is LFUS's P/E ratio?

A meaningful P/E ratio is not available for LFUS — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is LFUS's price-to-book (P/B) ratio?

LFUS trades at 4.81 times book value per share.

Are insiders buying LFUS stock?

SEC Form 4 filings show no open-market insider buys at Littelfuse, Inc. in the last 90 days (9 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.