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Zweig-DiMenna Associates’s Intuitive Surgical ISRG Stock Holding History

Zweig-DiMenna Associates’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
2025
Q3 		– Sell
-11,775
Closed -$6.4M – 106
2025
Q2 		$6.4M Sell
11,775
-13,968
-54% -$7.3M 0.61% 52
2025
Q1 		$12.7M Buy
+25,743
New +$14.2M 2.02% 14
2024
Q2 		– Sell
-8,150
Closed -$3.25M – 102
2024
Q1 		$3.25M Buy
+8,150
New +$3.08M 0.28% 83
2020
Q4 		– Sell
-34,200
Closed -$8.09M – 155
2020
Q3 		$8.09M Buy
+34,200
New +$7.68M 0.55% 68

Other funds holding ISRG

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Zweig-DiMenna Associates's ISRG Position: Q3 2025 in Review

Zweig-DiMenna Associates sold out of Intuitive Surgical (ISRG) in Q3 2025, closing a stake of 11,775 shares — an estimated $6.4M sold.

Zweig-DiMenna Associates first reported a position in ISRG in Q3 2020 and held it in 4 quarters. The position peaked at $12.7M in Q1 2025. 2,110 funds tracked by Wall St. Rank hold ISRG as of Q3 2025.

  • Zweig-DiMenna Associates reported no remaining Intuitive Surgical position as of Q3 2025 after selling out during the quarter.
  • Zweig-DiMenna Associates sold 11,775 Intuitive Surgical shares in Q3 2025, an estimated $6.4M.
  • Zweig-DiMenna Associates first reported a position in Intuitive Surgical in Q3 2020 and held it in 4 quarters.
  • Zweig-DiMenna Associates's Intuitive Surgical position peaked at $12.7M in Q1 2025.
  • 2,110 funds tracked by Wall St. Rank held Intuitive Surgical as of Q3 2025.

Based on Zweig-DiMenna Associates's 13F filing for Q3 2025, filed 7 Nov 2025.