CSS LLC’s Lam Research LRCX Stock Holding History

CSS LLC’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
2018 Q1	–	Sell	-20,000	Closed	-$368K	–	584
2017 Q4	$368K	Hold	20,000	–	–	0.02%	395
2017 Q3	$370K	Buy	+20,000	New	+$325K	0.02%	403
2017 Q2	–	Sell	-50,000	Closed	-$642K	–	669
2017 Q1	$642K	Sell	50,000 -201,000	-80%	-$2.36M	0.04%	288
2016 Q4	$2.65M	Sell	251,000 -25,000	-9%	-$254K	0.14%	127
2016 Q3	$2.61M	Buy	+276,000	New	+$2.51M	0.13%	137
2016 Q2	–	Sell	-30,000	Closed	-$248K	–	725
2016 Q1	$248K	Buy	+30,000	New	+$218K	0.02%	487
2015 Q4	–	Sell	-100,000	Closed	-$653K	–	726
2015 Q3	$653K	Hold	100,000	–	–	0.04%	320
2015 Q2	$814K	Buy	+100,000	New	+$785K	0.04%	342

Other funds holding LRCX

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

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

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

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

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

Norges Bank Oslo, Norway $935B AUM

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

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

CSS LLC's LRCX Position: Q2 2025 in Review

CSS LLC sold out of Lam Research (LRCX) in Q2 2025, closing a stake of 5,334 shares — an estimated $388K sold.

CSS LLC first reported a position in LRCX in Q4 2013 and held it in 16 quarters. The position peaked at $4.2M in Q3 2017. 1,878 funds tracked by Wall St. Rank hold LRCX as of Q2 2025.

CSS LLC reported no remaining Lam Research position as of Q2 2025 after selling out during the quarter.
CSS LLC sold 5,334 Lam Research shares in Q2 2025, an estimated $388K.
CSS LLC first reported a position in Lam Research in Q4 2013 and held it in 16 quarters.
CSS LLC's Lam Research position peaked at $4.2M in Q3 2017.
1,878 funds tracked by Wall St. Rank held Lam Research as of Q2 2025.

Based on CSS LLC's 13F filing for Q2 2025, filed 14 Aug 2025.