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Lam Research key statistics and ratios

In fiscal 2026, Lam Research had return on equity of 65.1%, an operating margin of 35.3%, debt equal to 30.1% of equity and a current ratio of 2.63. 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 year2010Jun 20102011Jun 20112012Jun 20122013Jun 20132014Jun 20142015Jun 20152016Jun 20162017Jun 20172018Jun 20182019Jun 20192020Jun 20202021Jun 20212022Jun 20222023Jun 20232024Jun 20242025Jun 20252026Jun 2026LTMSept 2026
Gross margin45.5%46.2%40.7%39.0%43.6%43.4%44.5%45.0%46.6%45.1%45.9%46.5%45.7%44.6%47.3%48.7%50.5%51.1%
Operating margin19.9%24.8%8.9%3.3%14.7%15.0%18.3%23.7%29.0%25.5%26.6%30.6%31.2%29.7%28.6%32.0%35.3%37.0%
Net margin16.2%22.4%6.3%3.2%13.7%12.5%15.5%21.2%21.5%22.7%22.4%26.7%26.7%25.9%25.7%29.1%31.3%32.3%
Free-cash-flow margin14.8%23.3%14.7%15.5%12.4%11.2%20.0%23.4%21.5%29.8%19.1%22.1%14.8%26.8%28.6%29.4%21.1%25.0%
Return on equity19.6%34.2%4.4%2.4%13.3%12.9%16.6%26.7%35.4%38.7%45.7%69.8%74.8%62.3%45.7%58.2%65.1%64.1%
Return on assets13.9%22.1%2.8%1.5%8.3%7.6%8.5%13.9%19.3%17.9%17.0%25.7%27.8%25.1%20.4%26.7%32.4%33.9%
Asset turnover0.860.990.440.470.600.610.540.660.900.790.760.961.040.970.790.921.041.05
Current ratio3.144.813.092.703.022.383.813.102.903.613.433.302.693.162.972.212.632.48
Debt to equity1.3%36.7%24.5%29.0%26.6%50.9%77.2%42.2%35.7%96.5%113.1%83.0%79.7%61.0%58.6%45.6%30.1%26.9%
Interest cover (operating income ÷ interest)—149.5x6.1x2.0x11.0x10.7x8.0x16.2x33.0x21.0x15.1x21.5x29.1x27.8x23.0x33.1x52.3x63.9x
Effective tax rate19.4%9.6%17.5%—12.6%11.5%4.8%6.3%24.5%10.4%12.6%10.6%11.3%11.7%12.2%10.1%12.1%13.0%
R&D as % of revenue15.0%11.5%16.7%19.0%15.6%15.7%15.5%12.9%10.7%12.3%12.5%10.2%9.3%9.9%12.8%11.4%10.2%9.4%
SG&A as % of revenue11.3%9.5%15.1%16.7%13.3%11.2%10.7%8.3%6.9%7.3%6.8%5.7%5.1%4.8%5.8%5.3%4.9%4.7%
Capital spending as % of revenue1.7%3.9%4.0%4.5%3.2%3.8%3.0%2.0%2.5%3.1%2.0%2.4%3.2%2.9%2.7%4.1%4.2%4.0%
Free cash flow ÷ net income90.9%104.1%232.2%491.0%90.4%89.6%128.5%110.3%100.1%131.1%85.4%82.9%55.5%103.7%111.2%101.0%67.3%77.4%
Dividends ÷ net income————0.0%17.7%20.8%14.3%12.9%31.0%29.2%18.6%17.7%20.1%26.6%21.5%17.5%15.4%
Dividends and buybacks ÷ free cash flow29.5%28.0%197.2%170.9%42.8%117.4%29.7%56.4%124.3%155.2%105.4%105.7%183.3%62.5%90.7%84.4%104.7%79.6%

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 27, 2026
What it owns · $26.4bn
Short-term assets $18.1bnLonger-term assets $8.2bn
What it owes, and who funded it · $26.4bn
Short-term liabilities $7.3bnLonger-term liabilities $5.1bnShareholders' equity $13.9bn
  • Short-term assets cover short-term liabilities $18.1bn of assets due within a year against $7.3bn of liabilities due within a year.
  • Short-term assets cover long-term liabilities $18.1bn short-term assets against $5.1bn of longer-dated liabilities.
  • More cash than debt $7.4bn of cash against $3.7bn of debt.
  • Debt below 40% of shareholders' equity Debt is 27% of equity.
  • Debt burden no higher than five years ago Debt to equity moved from 82% to 27% over five years.
  • A year's operating cash flow covers at least 20% of debt $7.6bn of operating cash flow against $3.7bn of debt.
  • Operating profit covers interest at least five times over Operating income of $9.7bn against $151m of interest.

From Lam Research'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

95 /100

Strong moat

How hard Lam Research'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 20 / 20

    Cash operating profit has been a median 33.9% of total assets over 10 years.

  • Pricing power 16 / 20

    Gross margin has been a median 46.3%, moving by 1.9 percentage points (standard deviation) across 10 years.

  • Durability 20 / 20

    Operating margin has been a median 28.7%; its worst year was 25.4%.

  • Cash conversion 20 / 20

    Free cash flow was positive in 10 of 10 years, at a median 25.1% of revenue.

  • Discipline 20 / 20

    The diluted share count fell 15.2% over five years; stock-based pay has been a median 1.8% of revenue.

AI disruption exposure: Low. In this industry, the business rests on physical assets, regulated networks or products AI itself depends on.

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 Lam Research's SEC filings (10-K and 10-Q), retrieved October 23, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Lam Research.