Supply breakdown
Shares as of Oct 15, 2026| Category | Shares | % | Value | Status |
|---|---|---|---|---|
| Circulating | 346.64M | 100.0% | $137.85B | Estimated |
| Free float | - | - | - | Unavailable |
| Insider-held, unrestricted | - | - | - | Unavailable |
| Locked team funds | 0 | 0.0% | $0 | Unavailable |
| Other restricted | 0 | 0.0% | $0 | Unavailable |
| Total outstanding | 346.64M | 100.0% | $137.85B | Verified |
| Ownership views (overlap the categories above, never added) | ||||
| Institutional holdings (13F) | 305.80M | 88.2% | $121.61B | Estimated |
| Insider-held, all (Forms 3, 4, 5) | - | - | - | Unavailable |
Institutional and insider holdings can include both tradable and locked shares, so they are shown for reference and never added to the total. Check: circulating + locked team + other restricted = total outstanding reconciles.
Valuation
- Traditional$137.85B
- Fully diluted$138.89B
- Circulating$137.85B
- Free float-
- Locked team value$0
- Other restricted value$0
Locked and restricted shares
Not reviewed yet.
Institutional holders
| Holder | Shares | % of total |
|---|---|---|
| BlackRock, Inc. | 30.02M | 8.66% |
| VANGUARD CAPITAL MANAGEMENT LLC | 23.13M | 6.67% |
| STATE STREET CORP | 16.06M | 4.63% |
| Invesco Ltd. | 11.84M | 3.42% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 11.26M | 3.25% |
| GEODE CAPITAL MANAGEMENT, LLC | 8.53M | 2.46% |
| Capital World Investors | 7.74M | 2.23% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.24M | 2.09% |
| MORGAN STANLEY | 6.56M | 1.89% |
| NORGES BANK | 4.95M | 1.43% |
Insiders
Forms 3, 4 and 5Form 4 aggregation pending
Share classes
| Class | Listing | Shares outstanding | As of |
|---|---|---|---|
| Common stock | ISRG on Nasdaq | 346,643,718 | Oct 15, 2026 |
Notes and sources
- INTUITIVE SURGICAL INC 10-Q for period ended 2026-09-30, Cover page (0001035267-26-000071)
- SEC public float (non-affiliates): $193.90B as of Jun 30, 2025, from the 10-K cover. It is a dollar value at a past date, not circulating supply.