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Lam Research Corp (LRCX) operating KPIs

LRCXNasdaqSpecial Industry Machinery, NECFiscal year ends June 27
Financials through Q4 FY2026, quarter ended Jun 28, 2026Last filing: 10-Q on Oct 22, 2026Score 21/3065% above fair value
$239.11−15.28 (-6.01%)

Close on Oct 30, 2026Market cap $299.20BP/E 41.5Yield 0.43%

Lam Research non-GAAP operating margin (% of revenue) (%)

Form 8-K Non-GAAP Reconciliation

Latest, Q1 FY27
40.2%
Period ended Sep 27, 2026
Change on a year earlier
+5.2 pts
35.0% in Q1 FY26
History
39 quarters
Since Q3 FY17
Sources
38
Documents cited below

Quarterly history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedNon-GAAP operating margin (% of revenue) (%)Year on yearSource
Q1 FY27Sep 27, 202640.2%+5.2 ptsLam Research Form 8-K Earnings Release (filed 2026-10-21) ↗
Q4 FY26Jun 28, 202638.4%+4.0 ptsLam Research Form 8-K Earnings Release (filed 2026-07-29) ↗
Q3 FY26Mar 29, 202635.0%+2.2 ptsLam Research Form 8-K Earnings Release (filed 2026-04-22) ↗
Q2 FY26Dec 27, 202534.3%+3.6 ptsLam Research Form 8-K Earnings Release (filed 2026-01-28) ↗
Q1 FY26Sep 27, 202535.0%+4.1 ptsLam Research Form 8-K Earnings Release (filed 2025-10-22) ↗
Q4 FY25Jun 28, 202534.4%+3.7 ptsLam Research Form 8-K Earnings Release (filed 2025-07-30) ↗
Q3 FY25Mar 29, 202532.8%+2.5 ptsLam Research Form 8-K Earnings Release (filed 2025-04-23) ↗
Q2 FY25Dec 27, 202430.7%+0.7 ptsLam Research Form 8-K Earnings Release (filed 2025-01-29) ↗
Q1 FY25Sep 27, 202430.9%+0.8 ptsLam Research Form 8-K Earnings Release (filed 2024-10-23) ↗
Q4 FY24Jun 28, 202430.7%+3.4 ptsLam Research Form 8-K Earnings Release (filed 2024-07-31) ↗
Q3 FY24Mar 29, 202430.3%+2.0 ptsLam Research Form 8-K Earnings Release (filed 2024-04-24) ↗
Q2 FY24Dec 27, 202330.0%-2.1 ptsLam Research Form 8-K Earnings Release (filed 2024-01-24) ↗
Q1 FY24Sep 27, 202330.1%-3.2 ptsLam Research Form 8-K Earnings Release (filed 2023-10-18) ↗
Q4 FY23Jun 28, 202327.3%-4.2 ptsLam Research Form 8-K Earnings Release (filed 2023-07-26) ↗
Q3 FY23Mar 29, 202328.3%-1.1 ptsLam Research Form 8-K Earnings Release (filed 2023-04-19) ↗
Q2 FY23Dec 27, 202232.1%+0.1 ptsLam Research Form 8-K Earnings Release (filed 2023-01-25) ↗

Cite this data

StockData. (2026). Lam Research Non-GAAP operating margin (% of revenue) (%), quarterly Q3 FY17–Q1 FY27 [Data set]. Compiled from Lam Research SEC filings and investor materials. https://stockdatahq.com/stocks/lrcx/kpis/fin-nongaap-om-pct

See every metric in the Lam Research KPI table. Data updated Oct 25, 2026.