Intuitive Surgical
ISRG
2,258 hedge funds and large institutions have $122B invested in Intuitive Surgical in 2026 Q2 according to their latest regulatory filings, with 182 funds opening new positions, 904 increasing their positions, 887 reducing their positions, and 215 closing their positions.
1.84% more ownership
Funds ownership: 84.54% → 86.38% (+1.8%)
9% more call options, than puts
Call options by funds: $2.06B | Put options by funds: $1.89B
2% more repeat investments, than reductions
Existing positions increased: 904 | Existing positions reduced: 887
3% less funds holding
Funds holding: 2,322 → 2,258 (-64)
12% less capital invested
Capital invested by funds: $139B → $122B (-$16.7B)
15% less first-time investments, than exits
New positions opened: 182 | Existing positions closed: 215
40% less funds holding in top 10
Funds holding in top 10: 48 → 29 (-19)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$716M |
| 2 |
GQG Partners
Ft. Lauderdale,
Florida
|
+$341M |
| 3 |
Invesco
Atlanta,
Georgia
|
+$285M |
| 4 |
Jennison Associates
New York
|
+$274M |
| 5 |
Capital Research Global Investors
Los Angeles,
California
|
+$256M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$552M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
-$536M |
| 3 |
Winslow Capital Management
Minneapolis,
Minnesota
|
-$504M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$387M |
| 5 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
-$326M |
ISRG Hedge Fund Activity: Q2 2026 in Review
2,258 of the 8,345 institutional investors tracked by Wall St. Rank reported a position in Intuitive Surgical (ISRG) for Q2 2026, worth a combined $122B — down 12% from $139B a quarter earlier.
Sellers outnumbered buyers: 215 funds closed out of ISRG and 182 opened new positions — a net loss of 33 holders — while 887 trimmed existing stakes and 904 added.
The largest buyer was Arrowstreet Capital, adding an estimated $716M. The largest seller was T. Rowe Price Associates, cutting an estimated $552M.
- 2,258 institutional investors held Intuitive Surgical (ISRG) as of Q2 2026, down from 2,322 in Q1 2026.
- Funds reported $122B of Intuitive Surgical stock for Q2 2026, down 12% quarter-over-quarter.
- 182 funds opened new Intuitive Surgical positions in Q2 2026 and 215 closed out, a net change of -33 holders.
- The largest Intuitive Surgical buyer in Q2 2026 was Arrowstreet Capital, an estimated $716M added.
- The largest Intuitive Surgical seller in Q2 2026 was T. Rowe Price Associates, an estimated $552M sold.
Based on aggregated 13F filings for Q2 2026.