Littelfuse
LFUS
$396.23
-8.34%
Littelfuse Inc. is a global manufacturer of circuit protection products — including fuses, relays, and power semiconductors — serving the transportation, industrial, telecommunications, and consumer electronics end markets through three reporting segments: Electronics, Transportation, and Industrial. The company occupies a distinctive position as a diversified, serial acquirer of bolt-on adjacent businesses, giving it a broad portfolio of niche, design-in components with sticky customer relationships rather than a single-product franchise. The current investor narrative centers on AI-driven demand for the company's electronic components, which helped power a roughly 47% share-price surge that prompted at least one large institutional holder to trim its position, while the company simultaneously digests a large acquisition that drove a significant non-cash charge in the December 2025 quarter. Debate now hinges on whether the AI-related electronics demand cycle can sustain the growth trajectory that lifted revenue 18.5% year over year in the March 2026 quarter, or whether the stock has run ahead of fundamentals after its sharp multi-quarter re-rating.…
LFUS
Littelfuse
$396.23
Related headlines
Investment Opinion: Should I buy LFUS Today?
The synthesized recommendation is a Hold with a bullish bias. The core thesis is that LFUS offers exposure to secular AI-driven electronics demand at a reasonable forward valuation (21.5x PE), but the recent momentum breakdown and acquisition-related earnings volatility warrant caution. The analyst consensus average target of $488.75 implies 13.1% upside, and all four analysts rate it a Buy, but the stock's high beta (1.471) and thin coverage argue for a measured approach.
Supporting evidence includes: 1) Revenue growth of 18.52% YoY in the March 2026 quarter, accelerating from prior quarters; 2) Forward PE of 21.52x, below the historical profitable-quarter range of 23.2x–28.5x, with a PEG of 0.53; 3) Robust free cash flow of $387.58 million TTM, covering dividends and capex; 4) Gross margin stability at 38.69% in Q1 2026, within the 37.8%–38.7% band. The PS ratio of 2.74x is well below the historical 9x–14x range, though this discrepancy may reflect data-source differences. The implied upside to the average target is 13.1%, and the high target of $520 implies 20.3% upside.
The biggest risks that could invalidate the thesis are: 1) A slowdown in AI-related electronics demand, which would hit the Electronics segment (55% of revenue); 2) Further acquisition-related charges or integration issues, as seen in the December 2025 quarter; 3) Valuation compression if the stock's premium multiple contracts amid sector rotation. The rating would upgrade to Buy if the stock breaks above $500 with strong volume or if forward PE compresses below 20x on sustained growth. It would downgrade to Sell if revenue growth decelerates below 10% or if gross margins fall below 37%. Relative to its history and peers, LFUS appears fairly valued to slightly undervalued on a forward earnings basis, but the recent price surge has left limited margin for error.
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LFUS 12-Month Price Forecast
LFUS presents a balanced risk/reward profile. The company's accelerating revenue growth and reasonable forward valuation are offset by acquisition-related earnings volatility and recent momentum breakdown. The AI-driven demand cycle is a powerful tailwind, but the stock's 64.66% YTD gain has already priced in much of the optimism, leaving limited margin for error. The analyst consensus target of $488.75 implies 13.1% upside, but the high beta of 1.471 and thin coverage warrant a neutral stance. I would upgrade to bullish if the stock breaks above $500 with strong volume or if forward PE compresses below 20x on sustained growth. I would downgrade to bearish if revenue growth decelerates below 10% or if gross margins fall below 37%.
Wall Street consensus
Most Wall Street analysts maintain a constructive view on Littelfuse's 12-month outlook, with a consensus price target around $488.75 and implied upside of +23.4% versus the current price.
Average Target
$488.75
0 analysts
Implied Upside
+23.4%
vs. current price
Analyst Count
—
covering this stock
Price Range
$415 - $520
Analyst target range
Coverage is thin but uniformly constructive, with only 4 analysts contributing to the consensus and a recommendation field that is unclassified ("none"), though the underlying institutional ratings are overwhelmingly bullish. The average target price of $488.75 implies roughly 13.1% upside from the current price of $432.30, with the low target of $415.00 sitting 4.0% below the current price and the high target of $520.00 implying 20.3% upside. The consensus leans clearly bullish, with all four covering analysts carrying Buy or Outperform-equivalent ratings and no Sell ratings, and the estimated EPS average of $22.34 (range $21.64–$23.04) supports the constructive earnings outlook.
The target range of $415 to $520 is relatively tight — a spread of $105, or about 21.5% of the average target — which signals reasonably strong conviction among the small analyst cohort rather than wide disagreement. The high target of $520 assumes continued AI-driven electronics demand, successful integration of recent acquisitions, and multiple expansion back toward the stock's 52-week high of $500.57, while the low target of $415 essentially prices in a flat-to-modest pullback and assumes the recent 1-month and 3-month weakness persists without a fundamental deterioration. Institutional ratings show a clear upgrade pattern: Benchmark moved from Hold to Buy in January 2026, Baird upgraded from Neutral to Outperform in October 2025, and Needham, Oppenheimer, and Baird have all reiterated Buy/Outperform ratings through mid-2026, indicating positive estimate revision momentum. The primary caveat is the limited coverage universe of just 4 analysts, which can lead to higher volatility and less efficient price discovery, though the recent upgrade skew partially offsets that concern.
Bulls vs Bears: LFUS Investment Factors
The bull case currently has stronger evidence, anchored by accelerating revenue growth of 18.5% YoY, a reasonable forward PE of 21.5x, and robust free cash flow of $387.58 million. However, the bear case is not without merit: the December 2025 impairment charge of $322.47 million highlights acquisition risk, and the recent 3-month underperformance of 11.48 percentage points versus SPY signals waning momentum. The single most important tension is whether the AI-driven electronics demand cycle can sustain the growth trajectory that lifted revenue to $656.97 million in the March 2026 quarter, or whether the stock has run ahead of fundamentals after its 64.66% YTD surge. Resolution of this tension—likely through upcoming earnings and AI capex trends—will determine whether the stock breaks above $500 or retests support near $403.
Bullish
- Revenue growth accelerating at 18.5% YoY: March 2026 quarter revenue of $656.97 million rose 18.52% year over year from $554.31 million, and increased sequentially from $593.93 million in the December 2025 quarter. This acceleration is driven by the Electronics segment, which at $362.78 million is the largest contributor and directly levered to AI-related component demand.
- Forward PE of 21.5x with PEG of 0.53: The forward PE of 21.52x is based on consensus EPS of $22.34 and sits below the stock's historical profitable-quarter PE range of 23.2x–28.5x. The PEG ratio of 0.53 suggests the market is paying less than one times growth, an undemanding multiple for a company expanding revenue at 18.5%.
- Robust free cash flow and conservative balance sheet: Trailing-twelve-month free cash flow of $387.58 million comfortably covers the $18.84 million quarterly dividend and $14.09 million of capital expenditure. The debt-to-equity ratio of 0.39 and current ratio of 2.69 provide ample liquidity and modest leverage for an acquisitive company.
- Analyst consensus implies 13.1% upside: The average analyst target price of $488.75 represents 13.1% upside from the current price of $432.30, with the high target of $520.00 implying 20.3% upside. All four covering analysts carry Buy or Outperform-equivalent ratings, and recent upgrades from Benchmark and Baird signal positive estimate revision momentum.
Bearish
- December 2025 quarter net loss of $242 million: The December 2025 quarter recorded a net loss of $242.14 million and negative EBITDA of $130.52 million, driven by $322.47 million of other expenses—likely an acquisition-related impairment. This dragged trailing net margin to -3.00% and trailing EPS to -$0.011, raising questions about acquisition discipline and integration risk.
- Recent momentum breakdown and relative underperformance: The stock is down 5.82% over the past month and 8.44% over the past three months, trailing SPY by 4.76 and 11.48 percentage points respectively. This divergence from the strong 1-year return of 59.42% suggests a mean-reversion pullback is underway after the spring rally peaked near $489.
- Elevated EV/EBITDA of 49.9x: The EV/EBITDA multiple of 49.90x appears stretched, though it is distorted by the depressed trailing EBITDA from the December charge. Even on normalized quarterly EBITDA of roughly $139 million (annualized ~$556 million), the multiple would still be elevated, leaving little room for execution error.
- Thin analyst coverage with only 4 analysts: Coverage is limited to just 4 analysts, which can lead to higher volatility and less efficient price discovery. The recommendation field is unclassified ('none'), and the tight target range of $415–$520 may not fully capture the risks of a concentrated institutional ownership base.
LFUS Technical Analysis
LFUS is in a powerful, sustained uptrend, with the current price of $432.30 sitting 59.42% above its level one year ago and 64.66% higher year-to-date, dramatically outpacing the S&P 500's 16.22% and 12.08% respective gains over those periods. The stock is trading at approximately 74.4% of its 52-week range (low of $233.36, high of $500.57), positioning it in the upper quartile of its annual band — a zone that historically signals strong momentum but also leaves limited room for error, since the stock has already traveled most of its 52-week distance. The 52-week high of $500.57 remains 15.8% above the current price, meaning the stock is consolidating below its peak rather than pressing new highs, which is consistent with a mature phase of the uptrend rather than a fresh breakout.
Short-term momentum has clearly decelerated and diverged from the longer-term trend: the stock is down 5.82% over the past month and 8.44% over the past three months, even as it remains up 32.53% over six months and 59.42% over a year. This divergence — negative 1-month and 3-month returns against a strongly positive 1-year return — suggests a meaningful mean-reversion pullback is underway following the sharp spring rally that peaked near $489 in late June 2026. Relative strength confirms the recent underperformance, with LFUS trailing SPY by 4.76 percentage points over one month and 11.48 points over three months, though it still leads by 43.20 points over a full year; the recent bounce from the August 24 low of $403.37 to $432.30, including a 4.57% single-day gain on the latest session, hints that near-term selling pressure may be exhausting.
Key technical levels are well defined: support sits at the August 2026 swing low around $403 and, more significantly, the 52-week low of $233.36, while resistance is anchored at the 52-week high of $500.57 and the June 2026 peak near $489. A decisive breakout above $500 would signal renewed institutional accumulation and likely open a new leg higher, whereas a breakdown below $403 would threaten the intermediate uptrend and could expose the stock to a deeper retracement toward the $380–390 area where it consolidated in July. With a beta of 1.471, LFUS is roughly 47% more volatile than the broader market, meaning position sizing should be scaled down accordingly and stop-losses set wider than for a market-average equity; the maximum drawdown of 19.84% over the observed period underscores that this name can shed nearly a fifth of its value even within an uptrend.
Beta
1.47
1.47x market volatility
Max Drawdown
-19.8%
Largest decline past year
52-Week Range
$233-$501
Price range past year
Annual Return
+50.1%
Cumulative gain past year
| Period | LFUS Return | S&P 500 |
|---|---|---|
| 1m | -13.4% | -2.0% |
| 3m | -15.6% | +1.4% |
| 6m | +19.0% | +15.0% |
| 1y | +50.1% | +15.7% |
| ytd | +50.9% | +11.6% |
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LFUS Fundamental Analysis
Revenue is on a clear and accelerating growth trajectory: the March 2026 quarter delivered $656.97 million in revenue, up 18.52% year over year from $554.31 million in the prior-year quarter, and up sequentially from $593.93 million in the December 2025 quarter. The multi-quarter trend is constructive, with revenue rising from $613.41 million in June 2025 to $624.64 million in September 2025 and then to $656.97 million in March 2026, interrupted only by the seasonal December dip. Segment data shows the Electronics segment is the largest contributor at $362.78 million, followed by Transportation at $170.38 million and Industrial Products at $123.81 million, meaning the AI-levered electronics franchise is the primary growth engine and the key swing factor for the investment case.
Profitability is solid at the operating level but distorted at the net level by a one-time charge: the March 2026 quarter generated $75.15 million of net income on a healthy 38.69% gross margin and 15.40% operating margin, with gross profit of $254.15 million. However, the December 2025 quarter recorded a net loss of $242.14 million and negative EBITDA of $130.52 million, driven by $322.47 million of other expenses — almost certainly an acquisition-related impairment or write-down — which dragged trailing net margin to -3.00% and trailing EPS to -$0.011. Excluding that charge, the underlying business is consistently profitable, with gross margins stable in the 37.8%–38.7% band across the last four quarters and net income of $69.52 million and $57.34 million in the September and June 2025 quarters, respectively, suggesting the core margin structure is intact and the loss was non-recurring in nature.
The balance sheet is conservatively positioned with a debt-to-equity ratio of just 0.39 and a current ratio of 2.69, indicating ample liquidity and modest leverage for an acquisitive industrial technology company. Free cash flow is robust, with $387.58 million generated on a trailing-twelve-month basis and $64.11 million in the March 2026 quarter alone, comfortably covering the $18.84 million quarterly dividend and the $14.09 million of capital expenditure. Cash on hand stood at $481.70 million at quarter-end, though the company deployed $166.99 million on debt repayment and $350.91 million on acquisitions in the December quarter, which explains the decline in cash from $814.73 million to $563.39 million; the reported ROE of -2.96% and ROA of 6.70% reflect the trailing impact of the December write-down rather than the underlying earnings power of the franchise.
Quarterly Revenue
$656969000.0B
2026-03
Revenue YoY Growth
+18.5%
YoY Comparison
Gross Margin
38.7%
Latest Quarter
Free Cash Flow
$387578000.0B
Last 12 Months
Revenue & Net Income Trends (2 Years)
Revenue Breakdown
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Valuation Analysis: Is LFUS Overvalued?
Because trailing net income is negative (-$0.011 EPS), the trailing PE of -90.70x is not meaningful, so the appropriate primary metric is the forward PE of 21.52x, which is grounded in consensus estimated EPS of $22.34. The gap between the unusable trailing multiple and the reasonable forward multiple implies the market is looking through the December 2025 impairment charge and pricing in a sharp earnings recovery; the PEG ratio of 0.53 further suggests that, relative to expected growth, the forward multiple is undemanding. On a sales basis, the PS ratio of 2.74x and EV/Sales of 4.05x provide a cleaner cross-check of how the market values the revenue base.
Relative to the broader Technology sector, LFUS screens as a moderate-value proposition: its 2.74x PS ratio and 2.69x price-to-book are well below the multiples typically commanded by high-growth semiconductor and electronics peers, while the 21.52x forward PE is roughly in line with or slightly below the market average despite the company's superior 18.5% revenue growth. The EV/EBITDA of 49.90x appears elevated, but this is distorted by the depressed trailing EBITDA caused by the December charge; on normalized EBITDA of roughly $139 million per quarter (annualized ~$556 million), the multiple would compress to a far more reasonable level. The premium embedded in the 4.05x EV/Sales multiple is arguably justified by the AI-driven electronics demand cycle and the company's diversified, design-in component portfolio, though it leaves less margin for execution error.
Historically, LFUS has traded in a PS band of roughly 9x to 14x in recent years, and the current 2.74x PS ratio appears dramatically below that range — a discrepancy that likely reflects a data-source difference in share count or revenue basis rather than a genuine 75% de-rating, since the stock is up 64.66% year-to-date. Using the historical ratios data, the PS ratio ranged from 8.98x in March 2025 to 12.72x in March 2026, while the PE ratio ranged from 23.2x to 28.5x across profitable quarters; the current forward PE of 21.52x sits below that historical profitable-quarter range, suggesting the stock is not expensive relative to its own recent earnings multiple history. The dividend yield of 1.10% is modest but above the company's historical ~0.2%–0.3% yield, reflecting the share price appreciation and payout growth, and the payout ratio of -1.00 is negative only because of the trailing loss.
PE
-90.7x
Latest Quarter
vs. Historical
Low-End
5-Year PE Range 13x~39x
vs. Industry Avg
N/A
Industry PE ~N/A*
EV/EBITDA
49.9x
Enterprise Value Multiple
Investment Risk Disclosure
Financial and operational risks center on the company's acquisitive strategy and the resulting earnings volatility. The December 2025 quarter's $322.47 million impairment charge, which drove a net loss of $242.14 million and negative EBITDA of $130.52 million, exemplifies the risk of overpaying for bolt-on acquisitions. While the debt-to-equity ratio of 0.39 and current ratio of 2.69 are healthy, the company deployed $350.91 million on acquisitions and $166.99 million on debt repayment in that quarter, reducing cash from $814.73 million to $563.39 million. Additionally, revenue concentration in the Electronics segment ($362.78 million, or 55% of Q1 2026 revenue) ties the company's fortunes closely to the AI-driven demand cycle, which could reverse if AI capex slows.
Market and competitive risks include valuation compression if the stock's premium multiple contracts. The EV/Sales of 4.05x and EV/EBITDA of 49.9x are elevated relative to historical norms, and any disappointment in AI-related demand could trigger a sharp de-rating. The stock's beta of 1.471 makes it highly sensitive to market downturns, and the recent 3-month underperformance of 11.48 percentage points versus SPY suggests sector rotation risk. Regulatory headwinds, such as potential tariffs on electronic components or changes in trade policy, could also impact margins. The recent news of a major fund trimming its position after a 47% surge highlights the risk of institutional profit-taking.
In a worst-case scenario, a slowdown in AI-driven electronics demand combined with integration missteps from recent acquisitions could lead to a revenue decline and further write-downs. The stock could retest its 52-week low of $233.36, representing a 46% decline from the current price of $432.30. Even a moderate pullback to the analyst low target of $415.00 would imply a 4% loss, but a more severe scenario where the market re-rates the stock to a historical low PS multiple could see it fall to the $300–350 range, a 19–31% decline. The maximum drawdown of 19.84% over the observed period provides a recent benchmark for downside risk.
FAQ
The key risks of holding LFUS, ranked by severity, are: 1) Acquisition integration risk, highlighted by the $322.47 million impairment charge in December 2025 that drove a net loss of $242.14 million; 2) AI demand concentration risk, as the Electronics segment accounts for 55% of revenue and is directly tied to AI capex cycles; 3) Valuation compression risk, given the elevated EV/EBITDA of 49.9x and EV/Sales of 4.05x, which could contract if growth slows; 4) Macro sensitivity, with a beta of 1.471 making the stock 47% more volatile than the market, and the recent 3-month underperformance of 11.48 percentage points versus SPY signaling sector rotation risk. Additionally, thin analyst coverage (4 analysts) can lead to higher volatility and less efficient price discovery.
The 12-month forecast for LFUS includes three scenarios: Bull case (30% probability) targets $500–$520, assuming continued AI-driven demand and successful acquisition integration; Base case (50% probability) targets $450–$490, assuming steady execution with revenue growth moderating to 10–15% YoY; Bear case (20% probability) targets $350–$415, assuming an AI demand slowdown and margin pressure. The base case is most likely, with the key assumption that gross margins hold near 38% and no further acquisition-related charges occur. The analyst average target of $488.75 aligns with the base case, implying 13.1% upside from the current price of $432.30. The high target of $520 and low target of $415 bracket the range of outcomes.
LFUS appears fairly valued to slightly undervalued on a forward earnings basis. The forward PE of 21.52x is below the stock's historical profitable-quarter PE range of 23.2x–28.5x, and the PEG ratio of 0.53 suggests the market is not fully pricing in the company's growth trajectory. The PS ratio of 2.74x is well below the historical 9x–14x range, though this discrepancy may reflect data-source differences in share count or revenue basis. The EV/EBITDA of 49.9x appears elevated but is distorted by the December 2025 impairment charge; on normalized EBITDA, the multiple would be more reasonable. Compared to high-growth semiconductor peers, LFUS trades at a discount, but the premium embedded in the 4.05x EV/Sales multiple leaves less margin for execution error. Overall, the market is pricing in a sharp earnings recovery and continued AI-driven demand.
From a risk/reward perspective, LFUS is a reasonable buy for investors with a moderate risk tolerance and a long-term horizon. The stock trades at a forward PE of 21.52x with a PEG of 0.53, implying the market is paying less than one times growth for a company expanding revenue at 18.5% YoY. Analyst consensus target of $488.75 offers 13.1% upside, with the high target of $520 implying 20.3% upside. However, the biggest downside risk is a slowdown in AI-driven electronics demand, which could trigger a re-rating and a retest of the 52-week low of $233.36. The recent 3-month underperformance of 11.48 percentage points versus SPY suggests near-term caution. For investors comfortable with a beta of 1.471 and thin analyst coverage (4 analysts), LFUS is a good buy on pullbacks, particularly near the $403 support level.
LFUS is more suitable for long-term investment (minimum 2–3 years) than short-term trading. The company is in a growth stage, with revenue expanding at 18.5% YoY and a diversified portfolio that benefits from secular AI trends. The beta of 1.471 and maximum drawdown of 19.84% indicate significant short-term volatility, making it risky for traders. The dividend yield of 1.10% is modest but provides some income, and the payout ratio is negative only due to the trailing loss. Earnings visibility is moderate, with thin analyst coverage (4 analysts) and acquisition-related charges adding uncertainty. A long-term holding period allows investors to ride out volatility and benefit from the AI-driven electronics demand cycle and potential multiple expansion.