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Of the 22 tracked institutions holding ISRG, 15 have a 3-year clone track record — 12 of them beat the S&P. Average holder's clone alpha: +4.3pt. It's a gauge of who owns the name, not just how many.
Among the 22 tracked institutional investors we monitor, ISRG (INTUITIVE SURGICAL INC) is held with a combined value of $56.70B across 115,310,888 shares. The largest holder is VANGUARD GROUP INC with a position worth $19.04B (0.28% of their portfolio). 13 funds increased their holdings. 9 funds reduced their position.
Total Institutional Value
$56.70B
Total Shares Held
115,310,888
Institutional Holders
22
% of Shares Outstanding
32.6%
of 354.16M shares · SEC 2026-04-15
Days to Cover
2.7-6.2%
7.32M shares short · FINRA 2026-06-30
Tracked 13F institutions hold 32.6% of ISRG's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-04-15), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
0
$0
24
$5.15M
Total Transactions
24
Last 12 months
| Date | Insider | Code | Type | Shares | Value |
|---|---|---|---|---|---|
| Jun 12, 2026 | Mark Brosius | S | Sale | 25 | $10.35K |
| Jun 11, 2026 | Mark Brosius | S | Sale | 23 | $9.48K |
| Jun 10, 2026 | GARY LOEB | S | Sale | 400 | $169.66K |
| Jun 10, 2026 | Mark Brosius | S | Sale | 23 | $9.76K |
| Jun 9, 2026 | Mark Brosius | S | Sale | 23 | $9.69K |
| Jun 8, 2026 | Mark Brosius | S | Sale | 23 | $9.66K |
| May 22, 2026 | Mark Brosius | S | Sale | 18 | $7.92K |
| May 21, 2026 | Mark Brosius | S | Sale | 18 | $8.03K |
| May 20, 2026 | Mark Brosius | S | Sale | 18 | $7.93K |
| May 19, 2026 | Mark Brosius | S | Sale | 18 | $7.93K |
Showing 10 of 24 transactions
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $19.04B | 0.28% | +0.0% |
| 2 | BlackRock, Inc. | $13.86B | 0.24% | -1.4% |
| 3 | STATE STREET CORP | $7.31B | 0.25% | +0.9% |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | $5.77B | 0.67% | -0.3% |
| 5 | FMR LLC | $2.52B | 0.13% | -16.7% |
| 6 | WELLINGTON MANAGEMENT GROUP LLP | $1.83B | 0.34% | +14.9% |
| 7 | Fisher Asset Management, LLC | $1.78B | 0.60% | +1.8% |
| 8 | BAILLIE GIFFORD & CO | $1.18B | 1.21% | +0.6% |
| 9 | CITADEL ADVISORS LLC | $625.11M | 0.44% | +30.3% |
| 10 | Grantham, Mayo, Van Otterloo & Co. LLC | $567.45M | 1.45% | -1.3% |
| Member | Type | Date |
|---|---|---|
| Gilbert Cisneros | Buy | Jan 30, 2026 |
| Markwayne Mullin | Buy | Dec 29, 2025 |
| Gilbert Cisneros | Buy | Dec 10, 2025 |
| Gilbert Cisneros | Buy |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of ISRG with a position worth $19.04B, representing 0.28% of their portfolio. In total, 22 institutional investors hold ISRG with a combined value of $56.70B.
Institutional investors hold $56.70B worth of ISRG stock across 22 positions. The largest institutional holder is VANGUARD GROUP INC with $19.04B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For ISRG, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their ISRG positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| Nov 18, 2025 |
| Markwayne Mullin | Buy | Sep 24, 2025 |
| Josh Gottheimer | Sell | Sep 3, 2025 |
| Lisa McClain | Sell | Jul 16, 2025 |
| Lisa McClain | Buy | Jul 10, 2025 |
Showing 8 of 38. STOCK Act disclosures lag up to 45 days.
Last Close
$345.42
2026-07-17
YTD
-38.5%
0% of 52-week range
