Marshall Wace
ISRG icon

Marshall Wace’s Intuitive Surgical ISRG Stock Holding History

Marshall Wace’s Portfolio ISRG Stock Details ISRG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$24.1M Buy
+60,500
New +$26.4M 0.02% 643
2025
Q4 		– Sell
-210,200
Closed -$94M – 3196
2025
Q3 		$94M Buy
+210,200
New +$101M 0.1% 181

Other funds holding ISRG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM

Marshall Wace's ISRG Position: Q2 2026 in Review

Marshall Wace reduced its Intuitive Surgical (ISRG) stake by 66% in Q2 2026, selling an estimated $91.7M and leaving 110,089 shares worth $43.8M. The position accounts for 0.03% of the portfolio, ranked #425.

Marshall Wace first reported a position in ISRG in Q3 2015 and has held it in 38 quarters since. The position peaked at $484M in Q2 2023. 2,251 funds tracked by Wall St. Rank hold ISRG as of Q2 2026.

  • Marshall Wace held 110,089 shares of Intuitive Surgical worth $43.8M as of Q2 2026.
  • Marshall Wace sold 209,908 Intuitive Surgical shares in Q2 2026, an estimated $91.7M.
  • Intuitive Surgical made up 0.03% of Marshall Wace's portfolio in Q2 2026, its #425 holding.
  • Marshall Wace first reported a position in Intuitive Surgical in Q3 2015 and has held it in 38 quarters since.
  • Marshall Wace's Intuitive Surgical position peaked at $484M in Q2 2023.
  • 2,251 funds tracked by Wall St. Rank held Intuitive Surgical as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.