Weiss Asset Management’s Lam Research LRCX Stock Holding History

Weiss Asset Management’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	$8.85M	Sell	41,421 -10,599	-20%	-$2.37M	0.15%	120
2025 Q4	$8.9M	Sell	52,020 -78,130	-60%	-$12.2M	0.12%	145
2025 Q3	$17.4M	Buy	+130,150	New	+$13.8M	0.2%	61
2025 Q1	–	Sell	-510,150	Closed	-$36.8M	–	528
2024 Q4	$36.8M	Buy	510,150 +471,280	+1,212%	+$35.7M	0.69%	31
2024 Q3	$3.17M	Buy	+38,870	New	+$3.38M	0.07%	261
2024 Q1	–	Sell	-17,230	Closed	-$1.35M	–	411
2023 Q4	$1.35M	Buy	+17,230	New	+$1.17M	0.06%	136
2018 Q4	–	Sell	-46,020	Closed	-$698K	–	471
2018 Q3	$698K	Buy	+46,020	New	+$786K	0.05%	113
2018 Q1	–	Sell	-163,220	Closed	-$3M	–	294
2017 Q4	$3M	Buy	+163,220	New	+$3.21M	0.26%	57
2017 Q3	–	Sell	-249,380	Closed	-$3.53M	–	123
2017 Q2	$3.53M	Buy	+249,380	New	+$3.66M	0.36%	35

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

Weiss Asset Management's LRCX Position: Q1 2026 in Review

Weiss Asset Management reduced its Lam Research (LRCX) stake by 20% in Q1 2026, selling an estimated $2.37M and leaving 41,421 shares worth $8.85M. The position accounts for 0.15% of the portfolio, ranked #120.

Weiss Asset Management first reported a position in LRCX in Q2 2017 and has held it in 9 quarters since. The position peaked at $36.8M in Q4 2024. 2,630 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

Weiss Asset Management held 41,421 shares of Lam Research worth $8.85M as of Q1 2026.
Weiss Asset Management sold 10,599 Lam Research shares in Q1 2026, an estimated $2.37M.
Lam Research made up 0.15% of Weiss Asset Management's portfolio in Q1 2026, its #120 holding.
Weiss Asset Management first reported a position in Lam Research in Q2 2017 and has held it in 9 quarters since.
Weiss Asset Management's Lam Research position peaked at $36.8M in Q4 2024.
2,630 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on Weiss Asset Management's 13F filing for Q1 2026, filed 15 May 2026.