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what it is
Littelfuse makes the small components that stop cars, factories, and electronics from frying themselves.
how it gets paid
Last year Littelfuse made $2.4B in revenue. Circuit protection was the main engine at $0.96B, or 40% of sales.
why it's growing
Revenue grew 8.9% last year. Overall, 2025 underscores that even amid mixed macro conditions, demand for littelfuse’s core circuit-protection, power control, and industrial electronics products remains solid.
what just happened
Revenue hit $1.8B, with EPS of $6.82 and gross margin at 38.0%.
At a glance
B++ balance sheet — above average — nothing keeping you up at night
55/100 earnings predictability — expect surprises
28.7x trailing p/e — priced about right
1.1% dividend yield — cash in your pocket every quarter
12.0% return on capital — nothing to write home about
xvary composite: 68/100 — average
What they do
Littelfuse makes the small components that stop cars, factories, and electronics from frying themselves.
A blown fuse is cheap. Your factory shutdown is not. That is why customers keep coming back to the same supplier when one failed part can halt a machine worth far more than the fuse itself. Littelfuse gets 65% of sales outside the U.S., which tells you this tiny-part habit travels well.
How they make money
$2.4B
annual revenue · their business grew +8.9% last year
Circuit protection
$0.96B
Power control
$0.55B
Sensing products
$0.40B
Automotive distribution and relays
$0.48B
The products that matter
circuit protection components
Circuit Protection
part of a $2.4B business
these are the fuses, relays, and protection components at the center of a $2.4B company. When power density rises in cars, equipment, and infrastructure, these parts matter more, not less.
core
power semis and control
Power Control
exposed to energy and industrial demand
management tied 2025 strength to data centers, energy, and grid infrastructure. That matters because those markets helped push total sales to $2.39B and kept the growth story alive.
growth exposure
sensing and industrial electronics
Sensors
supports diversified end markets
this part of the portfolio broadens the customer base across automotive and industrial channels. The so-what: you are not betting on one product line, but you are still betting on the same industrial demand cycle.
diversifier
Key numbers
+22%
base-case upside
The stock sits at $306.93, and the central 18-month target is $374. That gives you upside, but not a giant margin for mistakes.
$2.39B
2025 sales
Annual sales rose 9%, which tells you demand improved across a business that was already global and established.
$10.68
2025 EPS
Adjusted earnings jumped 26%, which is faster than sales growth and shows the company converted recovery into profit.
65%
foreign sales
Most of the business is outside the U.S., so your results depend as much on global factories and auto builds as on domestic demand.
Financial health
B++
strength
- balance sheet grade B++ — above average financial health
- risk rank 3 — safer than 50% of stocks
- price stability 60 / 100
- long-term debt $706M (8% of capital)
- net profit margin 13.5% — keeps 14 cents of every dollar in revenue
- return on equity 14% — $0.14 profit for every $1 investors have put in
B++ — functional but not a standout on the balance sheet.
Total return vs. market
You invested $10,000 in LFUS 3 years ago → it's now worth $11,990.
The index would have given you $14,540.
source: institutional data · total return
What just happened
beat estimates
Revenue hit $1.8B, with EPS of $6.82 and gross margin at 38.0%.
The quarter was huge on paper, with revenue up 187% vs. prior year and EPS up 146%. Full-year 2025 also looked strong, with sales up 9% to $2.39B and adjusted EPS up 26% to $10.68.
$1.8B
revenue
$6.82
eps
38.0%
gross margin
the number that mattered
The 38.0% gross margin matters most because margin is the line between a good parts maker and a commodity parts victim.
-
littelfuse delivered a strong performance in 2025.
-
net sales were $2.39 billion, up 9% over the prior year.this growth was primarily due to the company’s electronics segment and double-digit revenue gains in secular high-growth markets, including data centers, energy, and grid infrastructure. littelfuse’s data center revenue also expanded by double-digits, supported by increased design wins in 2025.
-
on a profitability basis, adjusted earnings surged 26%, to $10.68 per share, reflecting strong operational leverage and a favorable product mix.overall, 2025 underscores that even amid mixed macro conditions, demand for littelfuse’s core circuit-protection, power control, and industrial electronics products remains solid.
-
the company is positioned for continued expansion in 2026.as the broader industrial market shows emerging signs of recovery, littelfuse is poised to capitalize on the multi-year supercycle in power generation and grid modernization. the company is leveraging its strengthened portfolio to capture demand from the continued shift toward electrification, industrial automation, and the modernization of power and electrical infrastructure. management noted that its acquisition of basler electric is expected to be immediately accretive, contributing roughly $130 million to $135 million in incremental revenue for the year.
-
with a year-end backlog exceeding $1 billion and bookings up more than 20% in the final months of the year, the company enters the current year with considerable operational momentum.
source: company earnings report, 2026
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What could go wrong
the top risk is industrial demand cooling after a strong 2025. LFUS just put up a good year, which means the next disappointment will stand out more, not less.
med
industrial and automotive cyclicality
littelfuse sells into automotive and industrial markets, so demand can soften quickly when customers destock or delay projects. A cyclical slowdown hits orders before it hits the narrative.
with annual revenue at $2.4B, the entire business is exposed to the industrial cycle. If the $3B revenue estimate slips, valuation pressure usually arrives before fundamentals fully reset.
med
backlog and bookings normalization
a year-end backlog above $1B and bookings up more than 20% helped build the recovery case. If those indicators cool, the market loses one of its cleanest proof points.
this matters because 28.7x trailing earnings leaves less room for a "still fine" result. Investors are paying for momentum to continue, not merely survive.
med
global manufacturing and trade exposure
the company operates across nearly 20 countries. That's reach, but it also means exposure to tariffs, foreign exchange, logistics disruption, and regional weakness.
100% of revenue depends on a global supply chain showing up on time and at a reasonable cost. That's manageable until it isn't.
med
premium valuation on mid-tier returns
LFUS earns a 13.2% net margin and 11.0% return on capital. Those are good numbers. They are not the kind of numbers that make 28.7x earnings feel self-evident.
if profitability fades while the market still prices in recovery, the multiple can do the damage even before earnings do.
at 28.7x trailing earnings, a company with a 13.2% net margin and 11.0% return on capital does not have much room for a miss; if the move from $2.4B toward the $3B revenue estimate stalls, the multiple is the first thing at risk.
source: institutional data · regulatory filings · risk analysis
Pay attention to
earnings
next earnings in may
this is the next clean test of whether the 2025 strength was momentum or just a good stretch.
metric
revenue path toward $3B
analysts expect fiscal 2026 revenue of $3B. every quarter now gets judged against that bar.
trend
bookings and backlog follow-through
a backlog above $1B and bookings up more than 20% helped set the tone. you want to see those signals hold up.
risk
margin discipline
13.2% net margin is good enough to support the story. if that slips while growth slows, the stock can get repriced fast.
Analyst rankings
short-term outlook
top 20%
momentum score 2 — analysts expect above-average price performance in the year ahead. in human-speak, they still like the setup.
risk profile
average
stability score 3 — this sits near the middle of the pack. not especially safe, not a chaos stock either.
chart momentum
average
technical score 3 — the tape is not flashing a major signal. the next earnings print matters more than the chart right now.
earnings predictability
55 / 100
earnings predictability: 55/100. Translation: you should expect more variability here than in a clean recurring-revenue business.
source: institutional data
Institutional activity
158 buyers vs. 166 sellers in 4q2025. total institutional holdings: 24.9M shares.
source: institutional data
Price targets
3-5 year target range
$236
$511
$307
current price
$374
target midpoint · +22% from current · 3-5yr high: $490 (+60% · 13% ann'l return)
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