LAM RESEARCH CORP

Ticker: LRCX CUSIP: 512807306 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2025

Shares 13,349,470 Value ($000) $2,285,162 Avg Close $155.36 Range $130.80 - $179.80

Q3 2025

Shares 11,340,865 Value ($000) $1,518,542 Avg Close $105.52 Range $90.61 - $133.99

Q2 2025

Shares 1,286,887 Value ($000) $125,266 Avg Close $78.86 Range $55.98 - $97.67

Q4 2024

Shares 236,860 Value ($000) $17,108 Avg Close $74.98 Range $68.04 - $85.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,349,470	$2,285,162	$155.36	$130.80 - $179.80
Q3 2025	11,340,865	$1,518,542	$105.52	$90.61 - $133.99
Q2 2025	1,286,887	$125,266	$78.86	$55.98 - $97.67
Q4 2024	236,860	$17,108	$74.98	$68.04 - $85.51