LAM RESEARCH CORP

Ticker: LRCX CUSIP: 512807306 Class: Common Stock

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q4 2025

Shares 103,089 Value ($000) $17,647 Avg Close $155.36 Range $130.80 - $179.80

Q3 2025

Shares 116,696 Value ($000) $15,626 Avg Close $105.52 Range $90.61 - $133.99

Q2 2025

Shares 120,637 Value ($000) $11,743 Avg Close $78.86 Range $55.98 - $97.67

Q1 2025

Shares 111,495 Value ($000) $8,106 Avg Close $78.11 Range $70.01 - $90.89

Q4 2024

Shares 109,393 Value ($000) $7,901 Avg Close $74.98 Range $68.04 - $85.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	103,089	$17,647	$155.36	$130.80 - $179.80
Q3 2025	116,696	$15,626	$105.52	$90.61 - $133.99
Q2 2025	120,637	$11,743	$78.86	$55.98 - $97.67
Q1 2025	111,495	$8,106	$78.11	$70.01 - $90.89
Q4 2024	109,393	$7,901	$74.98	$68.04 - $85.51