David Tepper’s Lam Research LRCX Stock Holding History

David Tepper’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	$81.7M	Sell	382,500 -42,500	-10%	-$9.5M	1.38%	16
2025 Q4	$72.8M	Buy	425,000 +55,000	+15%	+$8.55M	1.05%	27
2025 Q3	$49.5M	Sell	370,000 -30,000	-8%	-$3.18M	0.67%	32
2025 Q2	$38.9M	Sell	400,000 -100,000	-20%	-$7.93M	0.6%	30
2025 Q1	$36.4M	Sell	500,000 -750,000	-60%	-$59.1M	0.43%	28
2024 Q4	$90.3M	Buy	1,250,000 +250,000	+25%	+$19M	1.4%	23
2024 Q3	$81.6M	Sell	1,000,000 -90,000	-8%	-$7.82M	1.21%	24
2024 Q2	$116M	Sell	1,090,000 -60,000	-5%	-$5.75M	1.88%	17
2024 Q1	$112M	Sell	1,150,000 -30,000	-3%	-$2.64M	1.65%	18
2023 Q4	$92.4M	Sell	1,180,000 -20,000	-2%	-$1.36M	1.6%	19
2023 Q3	$75.2M	Hold	1,200,000	–	–	1.48%	19
2023 Q2	$77.1M	Buy	+1,200,000	New	+$67.6M	1.43%	22
2018 Q4	–	Sell	-11,750,000	Closed	-$178M	–	31
2018 Q3	$178M	Sell	11,750,000 -2,050,000	-15%	-$35M	3.13%	9
2018 Q2	$239M	Buy	13,800,000 +844,140	+7%	+$16.3M	2.72%	8
2018 Q1	$263M	Buy	+12,955,860	New	+$257M	2.71%	8

Other funds holding LRCX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 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

David Tepper's LRCX Position: Q1 2026 in Review

David Tepper reduced its Lam Research (LRCX) stake by 10% in Q1 2026, selling an estimated $9.5M and leaving 382,500 shares worth $81.7M. The position accounts for 1.38% of the portfolio, ranked #16.

David Tepper first reported a position in LRCX in Q1 2018 and has held it in 15 quarters since. The position peaked at $263M in Q1 2018. 2,637 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

David Tepper held 382,500 shares of Lam Research worth $81.7M as of Q1 2026.
David Tepper sold 42,500 Lam Research shares in Q1 2026, an estimated $9.5M.
Lam Research made up 1.38% of David Tepper's portfolio in Q1 2026, its #16 holding.
David Tepper first reported a position in Lam Research in Q1 2018 and has held it in 15 quarters since.
David Tepper's Lam Research position peaked at $263M in Q1 2018.
2,637 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on Appaloosa LP's 13F filing for Q1 2026, filed 15 May 2026.