6 hedge funds and family offices disclose a ISRG position in their latest SEC 13F filing — combined $548.5M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Polen Capital | Polen Capital Management LLC | 842,618 | $477.2M | 2.04% | 2025-12-31 |
| 2 | Mairs & Power | Mairs & Power Inc | 62,277 | $35.3M | 0.34% | 2025-12-31 |
| 3 | Cathie Wood | ARK Investment Management LLC | 70,375 | $28.0M | 0.18% | 2026-06-30 |
| 4 | Ray Dalio | Bridgewater Associates LP | 19,324 | $7.7M | 0.03% | 2026-06-30 |
| 5 | Francois Rochon | Giverny Capital Inc. | 405 | $229K | 0.01% | 2025-12-31 |
| 6 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 140 | $79K | 0.01% | 2025-12-31 |
As of the latest 13F window, 6 tracked superinvestors hold ISRG. The largest disclosed position is Polen Capital at $477.2M (2.0% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying ISRG, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
6 hedge funds and family offices disclose a ISRG position in their latest SEC 13F filing — combined $548.5M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Polen Capital | Polen Capital Management LLC | 842,618 | $477.2M | 2.04% | 2025-12-31 |
| 2 | Mairs & Power | Mairs & Power Inc | 62,277 | $35.3M | 0.34% | 2025-12-31 |
| 3 | Cathie Wood | ARK Investment Management LLC | 70,375 | $28.0M | 0.18% | 2026-06-30 |
| 4 | Ray Dalio | Bridgewater Associates LP | 19,324 | $7.7M | 0.03% | 2026-06-30 |
| 5 | Francois Rochon | Giverny Capital Inc. | 405 | $229K | 0.01% | 2025-12-31 |
| 6 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 140 | $79K | 0.01% | 2025-12-31 |
As of the latest 13F window, 6 tracked superinvestors hold ISRG. The largest disclosed position is Polen Capital at $477.2M (2.0% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying ISRG, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways