LAM RESEARCH CORP

Ticker: LRCX CUSIP: 512807306 Class: Common Stock

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025

Shares 685,944 Value ($000) $117,420 Avg Close $155.36 Range $130.80 - $179.80

Q3 2025

Shares 695,918 Value ($000) $93,183 Avg Close $105.52 Range $90.61 - $133.99

Q2 2025

Shares 685,796 Value ($000) $66,755 Avg Close $78.86 Range $55.98 - $97.67

Q1 2025

Shares 851,574 Value ($000) $61,909 Avg Close $78.11 Range $70.01 - $90.89

Q4 2024

Shares 822,423 Value ($000) $59,404 Avg Close $74.98 Range $68.04 - $85.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	685,944	$117,420	$155.36	$130.80 - $179.80
Q3 2025	695,918	$93,183	$105.52	$90.61 - $133.99
Q2 2025	685,796	$66,755	$78.86	$55.98 - $97.67
Q1 2025	851,574	$61,909	$78.11	$70.01 - $90.89
Q4 2024	822,423	$59,404	$74.98	$68.04 - $85.51