Marshall Wace’s Lam Research LRCX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$15.2M Buy
71,100
+57,600
+427% +$12.9M 0.02% 796
2025
Q4
$2.31M Buy
+13,500
New +$2.1M ﹤0.01% 1509
2024
Q1
Sell
-7,000
Closed -$548K 2661
2023
Q4
$548K Buy
+7,000
New +$477K ﹤0.01% 1692
2022
Q1
Sell
-3,000
Closed -$216K 3721
2021
Q4
$216K Buy
+3,000
New +$188K ﹤0.01% 3136

Other funds holding LRCX

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.