Marshall Wace
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Marshall Wace’s Lam Research LRCX Stock Holding History

Marshall Wace’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 		$9.66M Sell
45,200
-748,900
-94% -$167M 0.01% 994
2025
Q4 		$136M Buy
794,100
+15,600
+2% +$2.43M 0.12% 130
2025
Q3 		$104M Buy
+778,500
New +$82.4M 0.11% 164
2021
Q4 		– Sell
-3,000
Closed -$171K – 4114
2021
Q3 		$171K Buy
3,000
+2,000
+200% +$122K ﹤0.01% 2826
2021
Q2 		$65K Buy
+1,000
New +$63.1K ﹤0.01% 2562

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

Marshall Wace's LRCX Position: Q1 2026 in Review

Marshall Wace reduced its Lam Research (LRCX) stake by 69% in Q1 2026, selling an estimated $58.4M and leaving 118,891 shares worth $25.4M. The position accounts for 0.03% of the portfolio, ranked #611.

Marshall Wace first reported a position in LRCX in Q1 2014 and has held it in 31 quarters since. The position peaked at $146M in Q2 2025. 2,630 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

  • Marshall Wace held 118,891 shares of Lam Research worth $25.4M as of Q1 2026.
  • Marshall Wace sold 261,109 Lam Research shares in Q1 2026, an estimated $58.4M.
  • Lam Research made up 0.03% of Marshall Wace's portfolio in Q1 2026, its #611 holding.
  • Marshall Wace first reported a position in Lam Research in Q1 2014 and has held it in 31 quarters since.
  • Marshall Wace's Lam Research position peaked at $146M in Q2 2025.
  • 2,630 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.