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Heartland Advisors’s Lam Research LRCX Stock Holding History

Heartland 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
2026
Q1 		$1.86M Sell
8,712
-24,038
-73% -$5.37M 0.09% 201
2025
Q4 		$5.61M Sell
32,750
-27,159
-45% -$4.22M 0.3% 133
2025
Q3 		$8.02M Sell
59,909
-9,894
-14% -$1.05M 0.42% 92
2025
Q2 		$6.79M Buy
+69,803
New +$5.54M 0.38% 110

Other funds holding LRCX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Heartland Advisors's LRCX Position: Q1 2026 in Review

Heartland Advisors reduced its Lam Research (LRCX) stake by 73% in Q1 2026, selling an estimated $5.37M and leaving 8,712 shares worth $1.86M. The position accounts for 0.09% of the portfolio, ranked #201.

Heartland Advisors first reported a position in LRCX in Q2 2025 and has held it in 4 quarters since. The position peaked at $8.02M in Q3 2025. 2,630 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

  • Heartland Advisors held 8,712 shares of Lam Research worth $1.86M as of Q1 2026.
  • Heartland Advisors sold 24,038 Lam Research shares in Q1 2026, an estimated $5.37M.
  • Lam Research made up 0.09% of Heartland Advisors's portfolio in Q1 2026, its #201 holding.
  • Heartland Advisors first reported a position in Lam Research in Q2 2025 and has held it in 4 quarters since.
  • Heartland Advisors's Lam Research position peaked at $8.02M in Q3 2025.
  • 2,630 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on Heartland Advisors's 13F filing for Q1 2026, filed 6 May 2026.