Maplelane Capital’s Lam Research LRCX Stock Holding History

Maplelane Capital’s Portfolio LRCX Stock Details LRCX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$135M	Buy	+251,721	New	+$56.3M	4.82%	4
2025 Q2	–	Sell	-800,000	Closed	-$58.2M	–	100
2025 Q1	$58.2M	Buy	+800,000	New	+$63M	2.4%	11
2022 Q3	–	Sell	-600,000	Closed	-$25.6M	–	74
2022 Q2	$25.6M	Sell	600,000 -400,000	-40%	-$19M	2.26%	12
2022 Q1	$53.8M	Buy	1,000,000 +510,000	+104%	+$29.7M	1.65%	17
2021 Q4	$35.2M	Buy	+490,000	New	+$30.7M	1.29%	27
2016 Q4	–	Sell	-3,750,000	Closed	-$35.5M	–	140
2016 Q3	$35.5M	Sell	3,750,000 -250,000	-6%	-$2.27M	0.94%	27
2016 Q2	$33.6M	Buy	+4,000,000	New	+$32.1M	1.43%	19
2015 Q1	–	Sell	-2,000,000	Closed	-$15.9M	–	194
2014 Q4	$15.9M	Buy	+2,000,000	New	+$15.5M	0.6%	48

Other funds holding LRCX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Maplelane Capital's LRCX Position: Q1 2026 in Review

Maplelane Capital increased its Lam Research (LRCX) stake by 265% in Q1 2026, buying an estimated $101M and bringing the position to 621,000 shares worth $133M. The position accounts for 4.75% of the portfolio, ranked #5.

Maplelane Capital first reported a position in LRCX in Q4 2014 and has held it in 18 quarters since. 2,630 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

Maplelane Capital held 621,000 shares of Lam Research worth $133M as of Q1 2026.
Maplelane Capital bought 451,000 Lam Research shares in Q1 2026, an estimated $101M.
Lam Research made up 4.75% of Maplelane Capital's portfolio in Q1 2026, its #5 holding.
Maplelane Capital first reported a position in Lam Research in Q4 2014 and has held it in 18 quarters since.
2,630 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on Maplelane Capital's 13F filing for Q1 2026, filed 14 May 2026.