Littelfuse, Inc. (LFUS) Stock Price & How to Invest

Littelfuse (NASDAQ: LFUS), founded in 1927, designs and manufactures electronic components, modules and subassemblies focused on circuit protection, power control and sensing. It reports in three segments: Electronics (its largest, spanning fuses, semiconductors, ESD suppressors and varistors for data centers, industrial drives, aerospace and telecom), Transportation (fuses and sensors for passenger, commercial and off-road vehicles) and Industrial (protection and power products for grid storage, renewables, HVAC and industrial safety). The company is widely cited as the global leader in electronic fuses with a large share of that market.

The investment picture centers on electrification, data-center power, renewables and industrial automation as multi-year demand drivers, layered on top of a cyclical component business. Full-year 2025 revenue was roughly $2.4 billion, Q1 2026 revenue jumped about 19 percent year over year (helped by the Basler acquisition and a foreign-exchange tailwind), and Q2 2026 revenue rose about 20 percent to roughly $739 million, lifting trailing revenue to about $2.6 billion. GAAP results remain distorted by a net loss of about $242 million in Q4 2025, which leaves trailing GAAP net income slightly negative even though each 2026 quarter has been solidly profitable. The stock has historically commanded a premium valuation and has risen about 47 percent in 2026, so the key tension is between a high-quality, cash-generative franchise and a multiple that leaves limited room for disappointment.

Littelfuse is cyclical and sensitive to industrial production, auto builds and semiconductor inventory cycles, so a downturn in any of those can pressure revenue and margins. The stock has traded at a premium valuation; after a roughly 47 percent gain in 2026 it sits near 19x forward earnings and about 3.7x sales, and consensus for Q3 2026 (reported October 28) already expects revenue near $795 million and adjusted EPS near $4.98, so a miss against those raised bars could compress the multiple. Insider selling with no offsetting buying has been noted in recent months. The company also carries integration and goodwill risk from acquisitions (GAAP results swung to a loss of about $242 million in Q4 2025), exposure to foreign-exchange swings, tariff and supply-chain costs, and competition from larger and lower-cost rivals. Reported growth has been flattered by acquisitions and currency, so organic trends warrant close attention.

4 analysts publish price targets on LFUS, averaging $496.25 against a $380.89 price as of October 2026, or +30.3%. The published targets run from $415.00 to $550.00, a narrow spread, and the ratings split 3 buy, 1 hold, 0 sell. Over the last six months there have been 3 raises and 0 cuts among the published actions. A price target is what an analyst published on a date, not a prediction, and sell-side ratings skew positive across the whole market.

Read the full LFUS forecast and price target for the target table, the recent rating actions by firm, and how the consensus has shifted.

We give no verdict on Littelfuse, Inc.. Both cases are real, which is why the question is contested at all, so here is the strongest version of each.

The case for buying. Electrification and power semiconductors. Littelfuse is positioning its power-semiconductor and circuit-protection lines around EV infrastructure, industrial motor drives and grid electrification. The most optimistic published target, $550.00, assumes this works close to its best case.

The case against. Littelfuse is cyclical and sensitive to industrial production, auto builds and semiconductor inventory cycles, so a downturn in any of those can pressure revenue and margins. The most pessimistic target, $415.00, is roughly what LFUS is worth if this bites instead.

Read the full bull and bear case on LFUS, including what would have to change to break either one. Walnut is not an investment adviser.

No. Littelfuse, Inc. (LFUS) has not split its stock in the last 10 years. That is a statement about the window we check rather than about the company’s entire history, so an older split is possible. It also matters less than it once did: fractional shares mean a high price per share no longer keeps smaller investors out, which removed most of the practical reason to split.

A simple financial snapshot. These are approximations and refresh quarterly; for current figures see Littelfuse, Inc.'s investor relations page or your broker.

• Revenue (TTM): ~$2.6B
• Q2 2026 revenue: ~$739M (up ~20% YoY)
• Q2 2026 adjusted EPS: ~$4.19 (vs ~$3.78 estimate)
• Gross / operating margin (TTM): ~39% / ~19%
• Net income (TTM, GAAP): ~-$8M (Q4 2025 loss of ~$242M)
• Forward P/E: ~19x
• Market cap: ~$9.8B
• Dividend yield: ~0.8% ($3.20 annual rate)

Trailing GAAP earnings are slightly negative because of the large Q4 2025 loss, so the trailing P/E is not meaningful and the forward P/E near 19x on 2027 consensus EPS of about $20.17 is the more readable figure, well below the high-20s forward multiple seen in July. The shares have risen about 47 percent in 2026 but trade below a 52-week high of about $501, and the four covering analysts' mean target is near $496. Figures are approximate as of October 16, 2026, ahead of Q3 results on October 28.

If you want LFUS exposure as part of a larger bundle rather than directly, these ETFs hold it meaningfully. Weights are approximate and refresh quarterly.

Other names that sit close to LFUS: same theme, named as a direct competitor, or held beside it in the same funds. Each entry says which. Worth a look if you are thinking about diversification within a thesis rather than concentration on one ticker.

There are three common ways to get LFUS exposure. Buy shares (or fractional shares) directly at any major broker. Hold an ETF that includes it (SCHA), which spreads the position across many companies. Or build it into a focused thematic portfolio, so LFUS sits alongside other stocks that express the same thesis.

Walnut takes the portfolio route. Describe a thesis where LFUS fits (for example “AI infrastructure” or “dividend-growth large-caps”) and the AI proposes 5 to 6 constituents with target weights. You review the plan and fund it through your own broker when you're ready.

New to this? Start with how to invest in stocks, see how to analyze a stock with AI, or compare the best AI stock analyzers.

Littelfuse is a durable circuit-protection franchise leaning into electrification, data centers and power semis, and 2026 has brought accelerating growth (second-quarter revenue up about 20%) and a roughly 47% share-price gain. The main debate is how much of that recovery is already priced in, with the stock near 19x forward earnings ahead of the October 28 report.

Whether LFUS is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, what would have to go right, and the risks in is LFUS a buy or a sell?, and where the stock could go from here in the LFUS stock forecast.

For income investors, whether LFUS pays a dividend and how the payout looks is covered in does LFUS pay a dividend? And to weigh LFUS against a peer, read the full side-by-side comparisons: LFUS vs ETN and LFUS vs APH.