LAM RESEARCH CORP

Ticker: LRCX CUSIP: 512807306 Class: Common Stock

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1,291,620 Value ($000) $221,100 Avg Close $155.36 Range $130.80 - $179.80

Q3 2025

Shares 1,397,320 Value ($000) $187,101 Avg Close $105.52 Range $90.61 - $133.99

Q2 2025

Shares 1,407,920 Value ($000) $137,047 Avg Close $78.86 Range $55.98 - $97.67

Q1 2025

Shares 1,412,020 Value ($000) $102,654 Avg Close $78.11 Range $70.01 - $90.89

Q4 2024

Shares 1,381,120 Value ($000) $99,758 Avg Close $74.98 Range $68.04 - $85.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,291,620	$221,100	$155.36	$130.80 - $179.80
Q3 2025	1,397,320	$187,101	$105.52	$90.61 - $133.99
Q2 2025	1,407,920	$137,047	$78.86	$55.98 - $97.67
Q1 2025	1,412,020	$102,654	$78.11	$70.01 - $90.89
Q4 2024	1,381,120	$99,758	$74.98	$68.04 - $85.51