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Littelfuse Inc. /de (LFUS) Stock Fundamental Analysis & AI Rating 2026

LFUS Nasdaq Switchgear & Switchboard Apparatus DE CIK: 0000889331
Recently Updated • Analysis: Apr 12, 2026 • SEC Data: 2025-12-27
Combined AI Rating
SELL
66% Confidence
AGREEMENT
SELL
68% Conf
HOLD
65% Conf

📊 LFUS Key Takeaways

Revenue: $2.4B
Net Margin: -3.0%
Free Cash Flow: $366.1M
Current Ratio: 2.69x
Debt/Equity: 0.33x
EPS: $-2.89
AI Rating: SELL with 68% confidence
Littelfuse Inc. /de (LFUS) receives a SELL rating with 66% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $2.4B, net profit margin of -3.0%, and return on equity (ROE) of -3.0%, Littelfuse Inc. /de demonstrates mixed fundamentals in the Market sector. Below is our complete LFUS stock analysis for 2026.

Is Littelfuse Inc. /de (LFUS) a Good Investment?

Claude

Littelfuse faces critical operational profitability challenges despite solid revenue growth of 8.9% YoY, with net losses of $71.7M and a severely compressed 1.6% operating margin indicating structural cost issues that warrant a cautious stance. However, strong free cash flow generation ($366.1M) and a solid balance sheet with 2.69x current ratio and conservative 0.33x debt/equity provide financial cushion, suggesting this may be a temporary operational disruption rather than permanent deterioration.

ChatGPT

Littelfuse shows healthy top-line growth and strong free cash flow with solid liquidity and moderate leverage, indicating resilient underlying operations. However, profitability has deteriorated sharply with negative net income and very thin operating margins, suggesting either one-time charges or structural margin pressure. Await clearer evidence of margin recovery and earnings normalization before a more constructive stance.

Why Buy Littelfuse Inc. /de Stock? LFUS Key Strengths

Claude
  • + Strong free cash flow of $366.1M with 15.3% FCF margin demonstrates core business remains cash-generative despite accounting losses
  • + Solid revenue growth of 8.9% YoY shows market demand for products
  • + Healthy balance sheet with $563.4M cash, 2.69x current ratio, and conservative 0.33x debt-to-equity
  • + Decent gross margin of 38% indicates viable core product economics
ChatGPT
  • + Robust free cash flow (15% FCF margin)
  • + Strong liquidity and moderate leverage (current 2.69x, D/E 0.33x)
  • + Solid gross margin base (38%) with YoY revenue growth (+8.9%)

LFUS Stock Risks: Littelfuse Inc. /de Investment Risks

Claude
  • ! Severe profitability crisis: net loss of $71.7M with -3.0% net margin and -171.6% YoY deterioration signals major operational or one-time issues
  • ! Operating margin of 1.6% despite 38% gross margin indicates excessive operating expenses or unusual charges requiring investigation
  • ! Negative ROE (-3.0%) and ROA (-1.8%) show management is destroying shareholder value
  • ! Significant deterioration trajectory raises questions about management execution and business model sustainability
ChatGPT
  • ! Sustained margin compression (operating margin 1.6%)
  • ! Potential non-recurring charges or impairments driving net loss
  • ! Cyclical demand and working capital reversals could reduce FCF

Key Metrics to Watch

Claude
  • * Operating margin recovery trajectory - critical to determine if 1.6% is temporary or structural issue
  • * Net income path to profitability - current -$71.7M loss is unsustainable
  • * Operating expense levels - gap between 38% gross margin and 1.6% operating margin must be addressed
  • * Free cash flow sustainability - monitor if positive FCF can be maintained while fixing profitability
ChatGPT
  • * Operating margin and EBITDA-to-interest coverage
  • * Free cash flow margin and working capital trends

Littelfuse Inc. /de (LFUS) Financial Metrics & Key Ratios

Revenue
$2.4B
Net Income
$-71.7M
EPS (Diluted)
$-2.89
Free Cash Flow
$366.1M
Total Assets
$4.0B
Cash Position
$563.4M

💡 AI Analyst Insight

Strong liquidity with a 2.69x current ratio provides a solid financial cushion.

LFUS Profit Margin, ROE & Profitability Analysis

Gross Margin 38.0%
Operating Margin 1.6%
Net Margin -3.0%
ROE -3.0%
ROA -1.8%
FCF Margin 15.3%

LFUS vs Market Sector: How Littelfuse Inc. /de Compares

How Littelfuse Inc. /de compares to Market sector averages

Net Margin
LFUS -3.0%
vs
Sector Avg 12.0%
LFUS Sector
ROE
LFUS -3.0%
vs
Sector Avg 15.0%
LFUS Sector
Current Ratio
LFUS 2.7x
vs
Sector Avg 1.8x
LFUS Sector
Debt/Equity
LFUS 0.3x
vs
Sector Avg 0.7x
LFUS Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Littelfuse Inc. /de Stock Overvalued? LFUS Valuation Analysis 2026

Based on fundamental analysis, Littelfuse Inc. /de has mixed fundamental signals relative to the Market sector in 2026.

Return on Equity
-3.0%
Sector avg: 15%
Net Profit Margin
-3.0%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.33x
Sector avg: 0.7x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Littelfuse Inc. /de Balance Sheet: LFUS Debt, Cash & Liquidity

Current Ratio
2.69x
Quick Ratio
1.91x
Debt/Equity
0.33x
Debt/Assets
38.7%
Interest Coverage
3.90x
Long-term Debt
$802.6M

LFUS Revenue & Earnings Growth: 5-Year Financial Trend

LFUS 5-year financial data: Year 2021: Revenue $2.1B, Net Income N/A, EPS $5.60. Year 2022: Revenue $2.5B, Net Income $130.0M, EPS $5.29. Year 2023: Revenue $2.5B, Net Income $283.8M, EPS $11.38. Year 2024: Revenue $2.5B, Net Income $373.3M, EPS $14.94. Year 2025: Revenue $2.4B, Net Income $259.5M, EPS $10.34.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Littelfuse Inc. /de's revenue has grown significantly by 15% over the 5-year period, indicating strong business expansion. The most recent EPS of $10.34 reflects profitable operations.

LFUS Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
15.3%
Free cash flow / Revenue

LFUS Quarterly Earnings & Performance

Quarterly financial performance data for Littelfuse Inc. /de including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $567.4M $43.6M $2.32
Q2 2025 $558.5M $43.6M $1.82
Q1 2025 $535.4M $43.6M $1.75
Q3 2024 $567.4M $45.5M $2.30
Q2 2024 $558.5M $45.5M $1.82
Q1 2024 $535.4M $48.5M $1.93
Q3 2023 $607.1M $57.8M $2.30
Q2 2023 $612.0M $70.1M $2.79

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Littelfuse Inc. /de Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$433.8M
Cash generated from operations
Stock Buybacks
$27.6M
Shares repurchased (TTM)
Capital Expenditures
$67.6M
Investment in assets
Dividends Paid
$72.0M
Returned to shareholders

LFUS SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Littelfuse Inc. /de (CIK: 0000889331)

📋 Recent SEC Filings

Date Form Document Action
Mar 16, 2026 4 xslF345X05/form4.xml View →
Mar 13, 2026 8-K ef20067854_8k.htm View →
Mar 12, 2026 DEF 14A ny20057422x2_def14a.htm View →
Mar 9, 2026 4 xslF345X05/wk-form4_1773089655.xml View →
Mar 9, 2026 4 xslF345X05/wk-form4_1773088916.xml View →

Frequently Asked Questions about LFUS

What is the AI rating for LFUS?

Littelfuse Inc. /de (LFUS) has a Combined AI Rating of SELL from Claude (SELL) and ChatGPT (HOLD) with 66% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are LFUS's key strengths?

Claude: Strong free cash flow of $366.1M with 15.3% FCF margin demonstrates core business remains cash-generative despite accounting losses. Solid revenue growth of 8.9% YoY shows market demand for products. ChatGPT: Robust free cash flow (15% FCF margin). Strong liquidity and moderate leverage (current 2.69x, D/E 0.33x).

What are the risks of investing in LFUS?

Claude: Severe profitability crisis: net loss of $71.7M with -3.0% net margin and -171.6% YoY deterioration signals major operational or one-time issues. Operating margin of 1.6% despite 38% gross margin indicates excessive operating expenses or unusual charges requiring investigation. ChatGPT: Sustained margin compression (operating margin 1.6%). Potential non-recurring charges or impairments driving net loss.

What is LFUS's revenue and growth?

Littelfuse Inc. /de reported revenue of $2.4B.

Does LFUS pay dividends?

Littelfuse Inc. /de pays dividends, with $72.0M distributed to shareholders in the trailing twelve months.

Where can I find LFUS SEC filings?

Official SEC filings for Littelfuse Inc. /de (CIK: 0000889331) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is LFUS's EPS?

Littelfuse Inc. /de has a diluted EPS of $-2.89.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is LFUS a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Littelfuse Inc. /de has a SELL rating with 66% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is LFUS stock overvalued or undervalued?

Valuation metrics for LFUS: ROE of -3.0% (sector avg: 15%), net margin of -3.0% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

Should I buy LFUS stock in 2026?

Our dual AI analysis gives Littelfuse Inc. /de a combined SELL rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is LFUS's free cash flow?

Littelfuse Inc. /de's operating cash flow is $433.8M, with capital expenditures of $67.6M. FCF margin is 15.3%.

How does LFUS compare to other Market stocks?

Vs Default sector averages: Net margin -3.0% (avg: 12%), ROE -3.0% (avg: 15%), current ratio 2.69 (avg: 1.8).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Apr 12, 2026 | Data as of: 2025-12-27 | Powered by Claude AI