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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 kLA Corporation (KLAC) — R&D expense ($M)

Quarterly figures from Lam Research's filings and investor materials

QuarterlyAnnual
Latest, Q4 FY26
399
Period ended Jun 28, 2026
Change on a year earlier
+13.0%
353 in Q4 FY25
History
42 quarters
Since Q3 FY16
Sources
37
Documents cited below

Quarterly history

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

PeriodEndedKLA Corporation (KLAC) — R&D expense ($M)Year on yearSource
Q4 FY26Jun 28, 2026399+13.0%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-26-000027) ↗
Q3 FY26Mar 29, 2026389+15.0%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-26-000016) ↗
Q2 FY26Dec 27, 2025384+10.9%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-26-000008) ↗
Q1 FY26Sep 27, 2025361+11.6%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-25-000034) ↗
Q4 FY25Jun 28, 2025353+8.3%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-26-000027) ↗
Q3 FY25Mar 29, 2025338+5.1%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-26-000016) ↗
Q2 FY25Dec 27, 2024346+8.1%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-26-000008) ↗
Q1 FY25Sep 27, 2024323+3.8%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-25-000034) ↗
Q4 FY24Jun 28, 2024326+2.7%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-26-000027) ↗
Q3 FY24Mar 29, 2024322-2.0%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-25-000012) ↗
Q2 FY24Dec 27, 2023320-3.7%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-25-000006) ↗
Q1 FY24Sep 27, 2023311-2.3%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-24-000027) ↗
Q4 FY23Jun 28, 2023317+6.8%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-25-000024) ↗
Q3 FY23Mar 29, 2023328+15.1%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-24-000012) ↗
Q2 FY23Dec 27, 2022333+25.6%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-24-000006) ↗
Q1 FY23Sep 27, 2022319+23.4%KLA Corporation (KLAC) SEC Form 10-Q/10-K (0000319201-23-000039) ↗

Cite this data

StockData. (2026). Lam Research KLA Corporation (KLAC) — R&D expense ($M), quarterly Q3 FY16–Q4 FY26 [Data set]. Compiled from Lam Research SEC filings and investor materials. https://stockdatahq.com/stocks/lrcx/kpis/peer-klac-rd

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