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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 product warranty reserve — ending balance (total) ($M)

Standard 12-month system warranty reserve rollforward ($342.2M ending balance as of Q1 FY27: $124.6M issued, $57.1M settled, -$15.0M pre-existing adjustment).

QuarterlyAnnual
Latest, Q1 FY27
342
Period ended Sep 27, 2026
Change on a year earlier
+32.7%
258 in Q1 FY26
History
43 quarters
Since Q3 FY16
Sources
29
Documents cited below

Quarterly history

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

PeriodEndedProduct warranty reserve — ending balance (total) ($M)Year on yearSource
Q1 FY27Sep 27, 2026342+32.7%Lam Research Form 10-Q (filed 2026-10-22) ↗
Q4 FY26Jun 28, 2026290+9.1%Lam Research Form 10-Q (filed 2026-10-22) ↗
Q3 FY26Mar 29, 2026255-4.1%Lam Research Form 10-Q (filed 2026-04-23) ↗
Q2 FY26Dec 27, 2025248-2.7%Lam Research Form 10-Q (filed 2026-04-23) ↗
Q1 FY26Sep 27, 2025258+3.0%Lam Research Form 10-Q (filed 2026-10-22) ↗
Q4 FY25Jun 28, 2025266+6.0%Lam Research Form 10-Q (filed 2026-10-22) ↗
Q3 FY25Mar 29, 2025266+4.4%Lam Research Form 10-Q (filed 2026-04-23) ↗
Q2 FY25Dec 27, 2024255-2.3%Lam Research Form 10-Q (filed 2026-04-23) ↗
Q1 FY25Sep 27, 2024250-5.7%Lam Research Form 10-Q (filed 2026-01-29) ↗
Q4 FY24Jun 28, 2024250-12.7%Lam Research Form 10-K (filed 2026-08-07) ↗
Q3 FY24Mar 29, 2024255-18.6%Lam Research Form 10-Q (filed 2025-04-25) ↗
Q2 FY24Dec 27, 2023261-18.2%Lam Research Form 10-Q (filed 2025-04-25) ↗
Q1 FY24Sep 27, 2023265-6.4%Lam Research Form 10-Q (filed 2025-01-31) ↗
Q4 FY23Jun 28, 2023287+11.9%Lam Research Form 10-K (filed 2025-08-11) ↗
Q3 FY23Mar 29, 2023313+30.2%Lam Research Form 10-Q (filed 2024-04-29) ↗
Q2 FY23Dec 27, 2022319+39.7%Lam Research Form 10-Q (filed 2024-04-29) ↗

Breakdown

What makes up product warranty reserve — ending balance (total)

Cite this data

StockData. (2026). Lam Research Product warranty reserve — ending balance (total) ($M), quarterly Q3 FY16–Q1 FY27 [Data set]. Compiled from Lam Research SEC filings and investor materials. https://stockdatahq.com/stocks/lrcx/kpis/warranty-ending-total

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