INSM - Insmed Inc
This page shows which of the focused investors we track hold INSM and how their positions changed, so you can see how much conviction the group has in the stock.
In Q2 2025 it was held by 3 managers with an aggregate reported value of $317.78M, which is 0.03% of the combined portfolio.
As of Q2 2025, 3 tracked institutional managers held INSM (Insmed Inc) with an aggregate reported value of $317.78M — 0.03% of the combined AlphaBaseline portfolio.
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- Source
- Curated SEC 13F filings
- Period
- Q2 2025
- Ticker
- INSM
13F data is delayed and excludes shorts/non-13F assets.
Long holders
| 1 | Stanley Druckenmiller - Duquesne Family Office LLC | 5.79% | Add +64.6% | 2,253,435 | $226.79M |
| 2 | Lee Ainslie - Maverick Capital | 1.24% | Add +89.2% | 804,133 | $80.93M |
Call holders — bullish via leverage
1 manager holds call options on INSM — a right to buy at strike. Notional value, not premium.
| 1 | Stanley Druckenmiller - Duquesne Family Office LLC | New | 100,000 | $10.06M |
Loading holder history for INSM…