Marshall Wace’s Intuitive Surgical ISRG Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
Sell
-210,200
Closed -$94M 3196
2025
Q3
$94M Buy
+210,200
New +$101M 0.1% 181

Other funds holding ISRG

Marshall Wace's ISRG Position: Q1 2026 in Review

Marshall Wace increased its Intuitive Surgical (ISRG) stake by 14% in Q1 2026, buying an estimated $20.5M and bringing the position to 319,997 shares worth $148M. The position accounts for 0.15% of the portfolio, ranked #104.

Marshall Wace first reported a position in ISRG in Q3 2015 and has held it in 37 quarters since. The position peaked at $484M in Q2 2023. 2,303 funds tracked by Wall St. Rank hold ISRG as of Q1 2026.

  • Marshall Wace held 319,997 shares of Intuitive Surgical worth $148M as of Q1 2026.
  • Marshall Wace bought 40,467 Intuitive Surgical shares in Q1 2026, an estimated $20.5M.
  • Intuitive Surgical made up 0.15% of Marshall Wace's portfolio in Q1 2026, its #104 holding.
  • Marshall Wace first reported a position in Intuitive Surgical in Q3 2015 and has held it in 37 quarters since.
  • Marshall Wace's Intuitive Surgical position peaked at $484M in Q2 2023.
  • 2,303 funds tracked by Wall St. Rank held Intuitive Surgical as of Q1 2026.

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