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INSM: insider buying, 13F holders, analyst moves
Insmed Inc - US
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SEC Form 13F · Q2 2026
7 of our 100 managers hold INSM
Combined reported value $2.04B.
Holders among our 100 managers: 5 in Q3 2023, 7 in Q2 2026.
| Manager | Value | % of portfolio | Change vs Q1 2026 |
|---|---|---|---|
| Baker Bros. Advisors | $937.8M | 4.70% | Added |
| RTW Investments | $516.3M | 4.41% | Unchanged |
| Maverick Capital | $229.3M | 2.07% | New |
| Duquesne Family Office | $151.9M | 3.49% | Added |
| Castle Hook Partners | $105.9M | 1.14% | Trimmed |
| Samlyn Capital | $78.1M | 1.29% | Added |
| Tudor Investment | $20.8M | 0.09% | New |
Important information
Facts from public SEC filings, shown for information only. Not a recommendation. Not individualized investment advice. Gulfstream Capital and its clients may hold positions in securities shown.