LAM RESEARCH CORP

Ticker: LRCX CUSIP: 512807306 Class: Common Stock

SUMMIT SECURITIES GROUP LLC's Holding History (CIK: 0001531593)

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

Q4 2025

Shares 3,779 Value ($000) $647 Avg Close $155.36 Range $130.80 - $179.80

Q3 2025

Shares 411 Value ($000) $55 Avg Close $105.52 Range $90.61 - $133.99

Q4 2024

Shares 203 Value ($000) $15 Avg Close $74.98 Range $68.04 - $85.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,779	$647	$155.36	$130.80 - $179.80
Q3 2025	411	$55	$105.52	$90.61 - $133.99
Q4 2024	203	$15	$74.98	$68.04 - $85.51