ISRG
Intuitive Surgical, Inc. · Healthcare · Medical - Instruments & Supplies
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 4 | +1 | 1.77M | $714.96M | +1 | n/a |
| Q2 2026 | 179 | -1 | 245.69M | $97.96B | +4 | −6 |
| Q1 2026 | 184 | +1 | 243.48M | $112.58B | +4 | −4 |
| Q4 2025 | 182 | 0 | 259.57M | $146.90B | +1 | n/a |
| Q3 2025 | 29 | +1 | 147.31M | $65.86B | +1 | −1 |
| Q2 2025 | 26 | -1 | 137.54M | $74.72B | n/a | −1 |
| Q1 2025 | 24 | 0 | 64.33M | $31.85B | n/a | n/a |
| Q4 2024 | 24 | 0 | 65.18M | $34.01B | n/a | n/a |
| Q3 2024 | 23 | -1 | 49.95M | $24.53B | +1 | −2 |
| Q2 2024 | 24 | n/a | 52.49M | $23.34B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | 1.56M | -22.1% | $633.51M | 0.6% | ▼ Trim | 4 | SEC ↗ |
| 2 | Wealth Enhancement Advisory… | 174.34K | +49.0% | $64.72M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 3 | TD Waterhouse Canada Inc. | 39.45K | +15.9% | $15.82M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | Ninety One UK Ltd | 2.23K | New | $905,973 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Ninety One UK Ltd | $905,973 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 2,290 holders, 287.87M shares, $124.40B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 546 sh · $204,444
Officer · 543 sh · $203,321
Officer · 25 sh · $9,145
Officer · 23 sh · $7,996
Officer · 23 sh · $8,055
Officer · 46 sh · $16,617
Officer · 77 sh · $28,919
Officer · 77 sh · $30,520
Officer · 77 sh · $30,358
Officer · 77 sh · $30,338
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology