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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 research and development (R&D) expense (GAAP) ($M)

Quarterly figures from Lam Research's filings and investor materials

QuarterlyAnnual
Latest, Q1 FY27
666
Period ended Sep 27, 2026
Change on a year earlier
+15.6%
576 in Q1 FY26
History
69 quarters
Since Q1 FY10
Sources
60
Documents cited below

Quarterly history

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

PeriodEndedResearch and development (R&D) expense (GAAP) ($M)Year on yearSource
Q1 FY27Sep 27, 2026666+15.6%Lam Research Form 10-Q (filed 2026-10-22) ↗
Q4 FY26Jun 28, 2026643+10.8%Lam Research Form 10-K (filed 2026-08-07) ↗
Q3 FY26Mar 29, 2026583+10.9%Lam Research Form 10-Q (filed 2026-04-23) ↗
Q2 FY26Dec 27, 2025573+15.8%Lam Research Form 10-Q (filed 2026-01-29) ↗
Q1 FY26Sep 27, 2025576+16.4%Lam Research Form 10-Q (filed 2026-10-22) ↗
Q4 FY25Jun 28, 2025580+16.6%Lam Research Form 10-K (filed 2026-08-07) ↗
Q3 FY25Mar 29, 2025526+2.7%Lam Research Form 10-Q (filed 2026-04-23) ↗
Q2 FY25Dec 27, 2024495+5.4%Lam Research Form 10-Q (filed 2026-01-29) ↗
Q1 FY25Sep 27, 2024495+17.2%Lam Research Form 10-Q (filed 2025-10-24) ↗
Q4 FY24Jun 28, 2024498+23.8%Lam Research Form 10-K (filed 2026-08-07) ↗
Q3 FY24Mar 29, 2024512+19.3%Lam Research Form 10-Q (filed 2025-04-25) ↗
Q2 FY24Dec 27, 2023470+1.6%Lam Research Form 10-Q (filed 2025-01-31) ↗
Q1 FY24Sep 27, 2023423-2.5%Lam Research Form 10-Q (filed 2024-10-28) ↗
Q4 FY23Jun 28, 2023402-2.2%Lam Research Form 10-K (filed 2025-08-11) ↗
Q3 FY23Mar 29, 2023430+5.5%Lam Research Form 10-Q (filed 2024-04-29) ↗
Q2 FY23Dec 27, 2022462+14.6%Lam Research Form 10-Q (filed 2024-01-29) ↗

Cite this data

StockData. (2026). Lam Research Research and development (R&D) expense (GAAP) ($M), quarterly Q1 FY10–Q1 FY27 [Data set]. Compiled from Lam Research SEC filings and investor materials. https://stockdatahq.com/stocks/lrcx/kpis/fin-rd

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