LAM RESEARCH CORP

Ticker: LRCX CUSIP: 512807306 Class: Common Stock

BOKF, NA's Holding History (CIK: 0000009634)

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

Q4 2025

Shares 43,661 Value ($000) $7,474 Avg Close $155.36 Range $130.80 - $179.80

Q3 2025

Shares 51,148 Value ($000) $6,849 Avg Close $105.52 Range $90.61 - $133.99

Q2 2025

Shares 50,570 Value ($000) $4,922 Avg Close $78.86 Range $55.98 - $97.67

Q1 2025

Shares 51,289 Value ($000) $3,729 Avg Close $78.11 Range $70.01 - $90.89

Q4 2024

Shares 70,660 Value ($000) $5,275 Avg Close $74.98 Range $68.04 - $85.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	43,661	$7,474	$155.36	$130.80 - $179.80
Q3 2025	51,148	$6,849	$105.52	$90.61 - $133.99
Q2 2025	50,570	$4,922	$78.86	$55.98 - $97.67
Q1 2025	51,289	$3,729	$78.11	$70.01 - $90.89
Q4 2024	70,660	$5,275	$74.98	$68.04 - $85.51