LAM RESEARCH CORP

Ticker: LRCX CUSIP: 512807306 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025

Shares 25,341 Value ($000) $4,338 Avg Close $155.36 Range $130.80 - $179.80

Q1 2025

Shares 41,747 Value ($000) $3,035 Avg Close $78.11 Range $70.01 - $90.89

Q4 2024

Shares 76,402 Value ($000) $5,519 Avg Close $74.98 Range $68.04 - $85.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	25,341	$4,338	$155.36	$130.80 - $179.80
Q1 2025	41,747	$3,035	$78.11	$70.01 - $90.89
Q4 2024	76,402	$5,519	$74.98	$68.04 - $85.51