INSMED INC's ticker is INSM and the CUSIP is 457669307. A total of 134 filers reported holding INSMED INC in Q4 2017. The put-call ratio across all filers is 0.84 and the average weighting 0.4%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SENZAR ASSET MANAGEMENT, LLC | 818,700 | $16,358,000 | 6.25% |
| Perceptive Advisors | 1,800,000 | $35,964,000 | 3.53% |
| Ghost Tree Capital, LLC | 200,000 | $3,996,000 | 2.82% |
| SECTORAL ASSET MANAGEMENT INC | 1,985,738 | $39,675,000 | 1.68% |
| Palo Alto Investors LP | 962,101 | $19,223,000 | 1.43% |
| Tourbillon Capital Partners, L.P. | 1,025,000 | $20,480,000 | 1.18% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 1,205,234 | $24,081,000 | 0.97% |
| FNY Managed Accounts LLC | 215 | $138,250,000 | 0.51% |
| Tourbillon Capital Partners, L.P. | 400,000 | $7,992,000 | 0.46% |
| EAM Investors, LLC | 113,017 | $2,258,000 | 0.43% |