Calamos Advisors’s Lam Research LRCX Stock Holding History

Calamos Advisors’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
2023 Q1	–	Sell	-110,000	Closed	-$4.62M	–	1183
2022 Q4	$4.62M	Buy	+110,000	New	+$4.6M	0.02%	685

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

Calamos Advisors's LRCX Position: Q1 2026 in Review

Calamos Advisors increased its Lam Research (LRCX) stake by 13% in Q1 2026, buying an estimated $10.4M and bringing the position to 413,151 shares worth $88.3M. The position accounts for 0.31% of the portfolio, ranked #64.

Calamos Advisors first reported a position in LRCX in Q4 2013 and has held it in 44 quarters since. 2,630 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

Calamos Advisors held 413,151 shares of Lam Research worth $88.3M as of Q1 2026.
Calamos Advisors bought 46,734 Lam Research shares in Q1 2026, an estimated $10.4M.
Lam Research made up 0.31% of Calamos Advisors's portfolio in Q1 2026, its #64 holding.
Calamos Advisors first reported a position in Lam Research in Q4 2013 and has held it in 44 quarters since.
2,630 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.