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

LFUS Nasdaq Switchgear & Switchboard Apparatus DE CIK: 0000889331
Updated This Month • Analysis: May 8, 2026 • SEC Data: 2026-03-28
Combined AI Grade
B
68% Confidence
STRONG AGREEMENT
B
70% Conf
B
65% Conf

📊 LFUS Key Takeaways

Revenue: $657.0M
Net Margin: 11.4%
Free Cash Flow: $66.2M
Current Ratio: 2.61x
Debt/Equity: 0.25x
EPS: $2.96
AI Grade: B with 70% confidence
Littelfuse Inc. /de (LFUS) receives a B fundamental grade with 68% confidence from our AI analysis based on SEC 10-K filings. With revenue of $657.0M, net profit margin of 11.4%, 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 demonstrates fortress-like financial health with excellent liquidity (2.61x current ratio), conservative leverage (0.25x debt/equity), and positive free cash flow, but fundamental operational distress is evident from a catastrophic 171.6% YoY earnings decline despite 8.9% revenue growth. Severely depressed returns on equity (3.0%) and assets (1.9%) indicate structural capital efficiency problems requiring clarification before conviction.

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.

Littelfuse Inc. /de Key Strengths (LFUS)

Claude
  • + Revenue growth of 8.9% YoY in competitive industrial sector demonstrates market demand
  • + Exceptional balance sheet with 2.61x current ratio, 1.82x quick ratio, and robust $481.7M cash position
  • + Conservative capital structure at 0.25x debt/equity with comfortable 10.5x interest coverage ratio
  • + Positive free cash flow of $66.2M with 10.1% FCF margin provides cushion
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 earnings collapse of 171.6% YoY despite revenue growth indicates operational deterioration or significant one-time charges
  • ! Critically low return on equity (3.0%) and return on assets (1.9%) suggest entrenched capital efficiency problems
  • ! Gross margin of 38.7% may be insufficient to support 3.9B asset base, indicating margin compression
  • ! Earnings decline pattern unresolved - requires visibility into whether charges are temporary or structural
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 trend and gross margin drivers to assess cost inflation/pricing power
  • * Return on equity recovery trajectory - 3% is unsustainable for mature industrial company
  • * Explanation and non-recurrence of 171.6% YoY net income decline
  • * Free cash flow conversion and capital allocation priorities
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
$657.0M
Net Income
$75.1M
EPS (Diluted)
$2.96
Free Cash Flow
$66.2M
Total Assets
$3.9B
Cash Position
$481.7M

💡 AI Analyst Insight

Strong liquidity with a 2.61x current ratio provides a solid financial cushion.

LFUS Profit Margin, ROE & Profitability Analysis

Gross Margin 38.7%
Operating Margin 15.4%
Net Margin 11.4%
ROE 3.0%
ROA 1.9%
FCF Margin 10.1%

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

How Littelfuse Inc. /de compares to Market sector averages

Net Margin
LFUS 11.4%
vs
Sector Avg 12.0%
LFUS Sector
ROE
LFUS 3.0%
vs
Sector Avg 15.0%
LFUS Sector
Current Ratio
LFUS 2.6x
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
11.4%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.25x
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
2.61x
Quick Ratio
1.82x
Debt/Equity
0.25x
Debt/Assets
34.8%
Interest Coverage
10.53x
Long-term Debt
$631.5M

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
10.1%
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
Q1 2026 $554.3M $43.6M $1.75
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

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
$80.3M
Cash generated from operations
Capital Expenditures
$14.1M
Investment in assets
Dividends Paid
$18.8M
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
May 21, 2026 4 xslF345X06/wk-form4_1779397651.xml View →
May 21, 2026 4 xslF345X06/form4.xml View →
May 20, 2026 4 xslF345X06/wk-form4_1779308626.xml View →
May 20, 2026 4 xslF345X06/wk-form4_1779308620.xml View →
May 19, 2026 4 xslF345X06/wk-form4_1779222767.xml View →

Frequently Asked Questions about LFUS

What is the AI rating for LFUS?

Littelfuse Inc. /de (LFUS) has a Combined AI Grade of B from Claude (B) and ChatGPT (B) with 68% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are LFUS's key strengths?

Claude: Revenue growth of 8.9% YoY in competitive industrial sector demonstrates market demand. Exceptional balance sheet with 2.61x current ratio, 1.82x quick ratio, and robust $481.7M cash position. 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 earnings collapse of 171.6% YoY despite revenue growth indicates operational deterioration or significant one-time charges. Critically low return on equity (3.0%) and return on assets (1.9%) suggest entrenched capital efficiency problems. 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 $657.0M.

Does LFUS pay dividends?

Littelfuse Inc. /de pays dividends, with $18.8M 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 $2.96.

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 grade reflects both perspectives for balanced insights.

What is LFUS's fundamental grade?

Based on our AI fundamental analysis in May 2026, Littelfuse Inc. /de has a B grade with 68% confidence. Review the strengths and risks sections above for full context. 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 11.4% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

What is LFUS's AI grade for 2026?

Our dual AI analysis gives Littelfuse Inc. /de a combined B grade 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 $80.3M, with capital expenditures of $14.1M. FCF margin is 10.1%.

How does LFUS compare to other Market stocks?

Vs Default sector averages: Net margin 11.4% (avg: 12%), ROE 3.0% (avg: 15%), current ratio 2.61 (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: May 8, 2026 | Data as of: 2026-03-28 | Powered by Claude AI