LAM RESEARCH CORP

Ticker: LRCX CUSIP: 512807306 Class: Common Stock

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q4 2025

Shares 412 Value ($000) $71 Avg Close $155.36 Range $130.80 - $179.80

Q3 2025

Shares 370 Value ($000) $50 Avg Close $105.52 Range $90.61 - $133.99

Q2 2025

Shares 288 Value ($000) $28 Avg Close $78.86 Range $55.98 - $97.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	412	$71	$155.36	$130.80 - $179.80
Q3 2025	370	$50	$105.52	$90.61 - $133.99
Q2 2025	288	$28	$78.86	$55.98 - $97.67