Health Care · owned by 1 fund manager
Who owns Insmed (INSM)?
1 of the 22 fund managers we track hold Insmed, worth $296M combined as of Q2 2026. Stanley Druckenmiller has the biggest bet at 5.7% of the portfolio.
Ownership summary
Fund manager owners
1 / 22
1 opened new positions
Combined value
$296M
At quarter-end prices
Biggest weight
5.7%
Stanley Druckenmiller
Buyers / sellers
1 / 0
Changes in Q2 2026
Smart money take
Why it matters
When several investors with very different styles own the same company, it’s often worth a closer look. Insmed appears in 1 of our 22 portfolios.
- Largest holder: Stanley Druckenmiller (5.7% of portfolio)
- 1 manager bought or added this quarter
- 0 managers trimmed or sold out
- 1 congressional trade disclosed recently (0 buys, 1 sells)
- Company insiders in Q3 2026: no open-market buys, sold $43M
This is not a recommendation. Do your own research.
Fund managers who own INSM
SEC 13F · Q2 2026| Investor | % of portfolio | Activity | Shares | Value |
|---|---|---|---|---|
| Stanley Druckenmiller Duquesne Family Office | 5.68% | New | 2,774,690 | $296M |
Congressional trades in INSMAll politician trades
| Member | Type | Amount | Traded | Disclosed |
|---|---|---|---|---|
| D Josh Gottheimer House · NJ | Sell | $1,001 – $15,000 | 10 Jun 2026 | 7 Jul 2026 |
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