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Littelfuse Inc key statistics and ratios

In fiscal 2025, Littelfuse Inc had return on equity of -3.0%, an operating margin of 1.6%, debt equal to 33.2% of equity and a current ratio of 2.69. Each ratio below is calculated from the figures on its income statement, balance sheet and cash flow pages.

Financial ratios

US$ thousands unless shown otherwise. Fiscal years, plus the last twelve months (LTM) when newer.

Fiscal year2009Jan 20102010Jan 20112011Dec 20112012Dec 20122013Dec 20132014Dec 20142015Jan 20162016Dec 20162017Dec 20172018Dec 20182019Dec 20192020Dec 20202021Jan 20222022Dec 20222023Dec 20232024Dec 20242025Dec 2025LTMSept 2026
Gross margin29.1%38.5%38.6%38.7%39.1%38.1%38.1%39.1%41.5%38.0%36.3%34.7%37.1%40.1%38.1%35.9%38.0%40.1%
Operating margin3.2%17.7%17.1%16.0%17.1%15.7%12.0%12.4%17.9%13.1%12.8%11.2%18.5%19.9%15.3%7.2%1.6%5.5%
Net margin2.2%12.9%13.1%11.3%11.7%11.5%9.3%9.9%9.8%9.6%9.2%9.0%13.6%14.8%11.0%4.6%−3.0%1.4%
Free-cash-flow margin3.3%13.4%15.5%14.0%10.9%14.2%14.0%12.7%16.6%15.0%12.2%14.0%13.6%12.5%15.7%13.3%15.3%19.2%
Return on equity2.5%18.9%18.3%13.8%13.9%13.9%11.0%13.4%13.7%13.7%9.4%8.4%16.2%18.2%11.1%4.1%−3.0%1.5%
Return on assets—12.7%13.4%10.3%9.9%9.4%7.6%8.2%7.4%7.6%5.4%4.9%9.6%10.6%6.6%2.5%−1.8%0.9%
Asset turnover—0.981.020.920.840.810.810.830.760.790.580.540.710.710.600.560.610.67
Current ratio—2.902.532.872.712.712.773.263.523.504.454.422.922.643.753.582.692.67
Debt to equity0.0%16.4%0.0%14.3%32.0%26.8%23.1%56.2%54.0%47.3%45.6%43.0%33.8%45.5%35.3%35.6%33.2%23.1%
Interest cover (operating income ÷ interest)5.8x74.9x67.4x62.8x44.5x27.3x25.5x15.1x16.3x10.0x8.7x7.7x20.8x19.1x9.1x4.1x1.1x5.7x
Effective tax rate13.2%26.9%24.4%24.7%28.5%25.5%24.4%15.2%41.4%19.7%16.2%19.4%16.8%15.7%21.0%34.0%—72.0%
R&D as % of revenue4.2%2.9%2.9%3.2%3.2%3.7%3.5%4.0%4.1%5.1%5.3%3.6%3.2%3.8%4.3%4.9%4.5%4.3%
SG&A as % of revenue20.6%17.1%17.6%18.6%17.5%17.3%17.7%19.5%17.4%16.1%14.7%14.1%13.2%13.7%15.0%16.0%16.0%15.7%
Capital spending as % of revenue3.6%3.7%2.6%3.4%4.6%3.8%5.1%4.4%5.4%4.3%4.1%3.9%4.4%4.2%3.6%3.5%2.8%2.4%
Free cash flow ÷ net income149.6%103.8%118.6%124.3%92.8%123.2%150.6%128.2%170.1%156.2%131.9%155.3%99.6%84.5%143.1%291.2%—>999%
Dividends ÷ net income—4.1%16.7%22.0%21.1%21.6%30.1%26.7%26.6%24.3%32.1%36.0%17.5%15.0%24.0%66.9%—203.4%
Dividends and buybacks ÷ free cash flow—35.1%50.0%17.7%22.7%29.3%45.6%20.8%15.6%40.3%78.5%34.6%17.6%17.7%16.7%37.0%27.2%14.5%

Returns use average equity or assets over the year. Return on equity is left blank when equity is negative or so small that the ratio says nothing (above ±200%); interest cover is left blank above 200 times. Price-based ratios such as P/E are on the valuation page.

Financial health

7 of 7 checks passed · September 26, 2026
What it owns · $4.2bn
Short-term assets $1.8bnLonger-term assets $2.4bn
What it owes, and who funded it · $4.2bn
Short-term liabilities $680mLonger-term liabilities $822mShareholders' equity $2.7bn
  • Short-term assets cover short-term liabilities $1.8bn of assets due within a year against $680m of liabilities due within a year.
  • Short-term assets cover long-term liabilities $1.8bn short-term assets against $822m of longer-dated liabilities.
  • More cash than debt $825m of cash against $630m of debt.
  • Debt below 40% of shareholders' equity Debt is 23% of equity.
  • Debt burden no higher than five years ago Debt to equity moved from 30% to 23% over five years.
  • A year's operating cash flow covers at least 20% of debt $595m of operating cash flow against $630m of debt.
  • Operating profit covers interest at least five times over Operating income of $151m against $27m of interest.

From Littelfuse Inc's latest balance sheet as filed. Checks are fixed, documented rules (methodology), counted only where the company reports the figures — a dot means the filing doesn't break the item out. Descriptions of reported data, not advice.

Moat

68 /100

Moderate moat

How hard Littelfuse's competitive advantage looks for rivals to wear away, judged from 10 years of its own filings: returns on capital, pricing power, profit durability, cash conversion and discipline.

  • Returns on capital 17 / 20

    Cash operating profit has been a median 13.1% of total assets over 10 years.

  • Pricing power 13 / 20

    Gross margin has been a median 37.9%, moving by 1.9 percentage points (standard deviation) across 10 years.

  • Durability 9 / 20

    Operating margin has been a median 13.7%; its worst year was 5.5%.

  • Cash conversion 17 / 20

    Free cash flow was positive in 10 of 10 years, at a median 13.6% of revenue.

  • Discipline 16 / 20

    The diluted share count rose 1.4% over five years; stock-based pay has been a median 1.1% of revenue.

AI disruption exposure: Medium. In this industry, AI could change how the product is made or sold, without replacing the core asset. The score above includes a 5-point deduction for that exposure (73 before it).

A rules-based reading of reported figures, not a forecast and not investment advice. How the score is built: methodology.

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Figures from Littelfuse Inc's SEC filings (10-K and 10-Q), retrieved October 29, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Littelfuse Inc.