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Littelfuse Inc /De (LFUS)

NASDAQ: LFUS · Real-Time Price · USD
428.45-6.29 (-1.45%)
 
Market Cap10.88B+65.8%
Revenue (ttm)n/a+15.4%
Net Incomen/a-107.5%
EPSn/a-110.4%
Shares Out25.40M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume96,831.889
Open429.65
Previous Close434.74
Day's Range424.58 - 435.89
52-Week Range233.36 - 500.57
Betan/a
AnalystsBuy
Price Target518.33(+20.98%)
Earnings Daten/a
Insider Score
––Not scored
LFUS Insider Score

Insiders here have filed 25 Form 4s in the last 90 days, but all of them are share awards, grants or other non-market transactions. Those are compensation, not a decision to buy, so they are not scored.

About LFUS

Littelfuse, Inc. designs, manufactures, and sells electronic components, modules, and subassemblies. It operates through three segments: Electronics, Transportation, and Industrial. Its Electronics segment offers fuses and fuse accessories, coefficient resettable fuses, switches and interconnect solutions, polymer electrostatic discharge suppressors, varistors, reed switch based magnetic sensing, and gas discharge tubes; and discrete transient voltage suppressor diodes, TVS diode arrays, protection and switching thyristors, silicon and silicon carbide metal-oxide-semiconductor field effect transistors and diodes, and insulated gate bipolar transistors. This segment serves data center computing and communications infrastructure, industrial controls, building controls, aerospace and defense, appliances, consumer electronics solutions, healthcare solutions, industrial equipment, energy storage, diversified industrials, grid and utility infrastructure, passenger vehicles, and commercial vehicles. Its Transportation segment provides blade, resettable, high-current, and high-voltage fuses; battery cable protectors; circuit breakers, and power distribution modules; and sensor products. This segment serves heavy-duty truck and bus, construction, agriculture, off-road and recreational vehicles, material handling, passenger and commercial vehicles, and marine markets. Its Industrial segment offers industrial fuses, protection relays, contactors, transformers, residual current devices and monitors, ground fault circuit interrupters, arc fault detection devices, solid state switches, and temperature sensors for use in renewable energy and energy storage systems, electric vehicle infrastructure, HVAC systems, industrial safety, non-residential construction, MRO, mining, and factory automation applications. It sells its products through distributors, direct sales force, and manufacturers' representatives. The company was founded in 1927 and is headquartered in Rosemont, Illinois.

Address
6133 North River Road, Rosemont, IL, 60018, United States
Market Cap
10.88 billion
Employees
18,000
Industrial Classification
Electronic Components

What Are Insiders Doing?

Open-market buy / sell balanceNet Selling
Sold
$2.47M
Bought
$0

View the trades behind this meter — each links to its SEC Form 4 →

Open-market Form 4 purchases (code P) vs sales (code S) on file for this company. Grants, option exercises and tax withholdings are excluded. Informational only.

1 Day
-1.25%
5 Days
-1.43%
1 Month
+1.74%
6 Months
+14.07%
1 Year
+65.83%

$LFUS stock is featured in our Insider Trades datasets.

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Recently reported changes in LFUS holdings by institutional investors

Scanning latest 13F filings…

Latest 0 13F filings · Source: SEC EDGAR

View all institutional owners →

Insider Trading

Quarterly net insider trading by LFUS's directors and management

Net Shares Purchased by Insiders−6k−3k02025Q42026Q12026Q22026Q32026Q4

Source: SEC EDGAR (Form 4)

Corporate Lobbying

LFUS Estimated quarterly lobbying spending

Source: U.S. Senate LDA

LFUS Revenue by Segment

$765.70MTotal
SegmentRevenue% of All
Segment Reporting$738.78M96.48%
Impairment$13.15M1.72%
Restructuring charges$6.88M0.90%
Inventory adjustment$6.40M0.84%
Acquisition related costs$500.00K0.07%

As of: Q2 2026 (Jun 27, 2026) · Source: SEC EDGAR (10-Q)

U.S. Patents

New LFUS patent grants

Loading patent grants…

Source: USPTO Open Data Portal

Government Contracts

Estimated quarterly amount awarded to LFUS from public contracts

Source: USAspending.gov

Top ETF Holders

ETFs with the largest estimated holdings in LFUS

ETFEst. Holding Size
VTIVanguard Morningstar Total Stock Market ETF$331.45M
VBVanguard Morningstar Small-Cap ETF$239.86M
VBKVanguard Morningstar Small-Cap Growth ETF$137.62M
VGTVanguard Information Technology ETF$137.60M
VXFVanguard Extended Market ETF$121.08M
MDYState Street SPDR S&P MIDCAP 400 ETF Trust$85.44M

Estimated from each fund’s disclosed top holdings × AUM

LFUS Insider Score

Our composite score: insider buying, sector, volume, tone & dilution

No Insider Score for LFUS yet — no open-market insider buys or sells in the last 90 days.

Bull Case vs Bear Case

AI-generated from LFUS’s recent data — informational, not investment advice

Generating analysis…

Recent Insider Activity

Buys
0
Sells
4
Buy Value
$0
Distinct Buyers
0

Frequently Asked Questions

Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.