Intuitive Surgical
ISRG · NASDAQ
Who owns ISRG
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 31.7% of ISRG’s shares.
- Vanguard Capital Management, LLC6.5%
- BlackRock Institutional Trust Company, N.A.5.2%
- State Street Investment Management (US)4.5%
- Invesco Capital Management LLC3.1%
- Next 6 largest institutions12.3%
- All other shareholders68.3%
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Capital Management, LLC | 23.13M | 6.55% |
| BlackRock Institutional Trust Company, N.A. | 18.48M | 5.23% |
| State Street Investment Management (US) | 16.06M | 4.55% |
| Invesco Capital Management LLC | 10.93M | 3.09% |
| T. Rowe Price Associates, Inc. | 10.72M | 3.04% |
| Geode Capital Management, L.L.C. | 8.53M | 2.42% |
| Capital World Investors | 7.74M | 2.19% |
| Vanguard Portfolio Management, LLC | 7.24M | 2.05% |
| Norges Bank Investment Management (NBIM) | 4.95M | 1.40% |
| Fidelity Management & Research Company LLC | 4.13M | 1.17% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 11.28M | 3.19% |
| Vanguard 500 Index Fund | 9.30M | 2.63% |
| Invesco QQQ Trust | 7.62M | 2.16% |
| Statens Pensjonsfond Utland | 4.75M | 1.35% |
| iShares Core S&P 500 ETF | 4.72M | 1.34% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $8.08M (35 trades) of ISRG on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| LOEB GARY | Option exercise | 2.61K | — |
| LOEB GARY | Tax withholding | 1.30K | $549.45K |
| LOEB GARY | Option exercise | 2.61K | — |
| WADORS PATRICIA L | Option exercise | 2.14K | — |
| WADORS PATRICIA L | Tax withholding | 1.06K | $450.25K |
| WADORS PATRICIA L | Option exercise | 2.14K | — |
| Widman Fredrik | Option exercise | 543 | — |
| Widman Fredrik | Option exercise | 546 | — |
| Widman Fredrik | Sale | 543 | $203.32K |
| Widman Fredrik | Option exercise | 543 | $59.45K |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Alan ArmstrongSenator | Purchase | $1K–$15K | Mar 27, 2026 |
| Gil CisnerosHouse | Purchase | $1K–$15K | Jan 30, 2026 |
| Markwayne MullinSenator | Purchase | $15K–$50K | Dec 29, 2025 |
| Gil CisnerosHouse | Purchase | $1K–$15K | Dec 10, 2025 |
| Gil CisnerosHouse | Purchase | $1K–$15K | Nov 18, 2025 |
| Ro KhannaHouse | Purchase | $15K–$50K | Nov 10, 2025 |
| Ro KhannaHouse | Purchase | $1K–$15K | Nov 7, 2025 |
| Ro KhannaHouse | Purchase | $1K–$15K | Nov 3, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 7.41M
- Days to cover
- 3.15
- % of shares outstanding
- 2.10%
- Average daily volume
- 2.35M
- Change since last report
- −8.7%
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