Insmed shares owned by Rock Springs Capital Management
Quarter-by-quarter ownership of Insmed (INSM) shares owned by Rock Springs Capital Management
from 13F filings
Historical chart of Rock Springs Capital Management investment in Insmed
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Quarterly reported holdings in Insmed by Rock Springs Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $55M | 385k | 144.01 |
| 2025-06-30 | $53M | 525k | 100.64 |
| 2025-03-31 | $39M | 516k | 76.29 |
| 2024-12-31 | $38M | 550k | 69.04 |
| 2024-09-30 | $50M | 683k | 73.00 |
| 2024-06-30 | $54M | 808k | 67.00 |
| 2019-12-31 | $19M | 800k | 23.88 |
| 2019-09-30 | $16M | 890k | 17.64 |
| 2019-06-30 | $23M | 890k | 25.60 |
| 2019-03-31 | $25M | 850k | 29.07 |
| 2018-12-31 | $11M | 850k | 13.12 |
| 2018-09-30 | $18M | 890k | 20.22 |
| 2018-06-30 | $20M | 825k | 23.65 |
| 2018-03-31 | $19M | 825k | 22.52 |
| 2017-12-31 | $19M | 614k | 31.18 |
| 2017-09-30 | $20M | 650k | 31.21 |
| 2017-06-30 | $8.0M | 468k | 17.16 |
| 2017-03-31 | $8.2M | 468k | 17.51 |
| 2016-12-31 | $6.2M | 468k | 13.23 |
| 2016-09-30 | $7.3M | 503k | 14.52 |
| 2016-06-30 | $4.9M | 498k | 9.86 |
| 2016-03-31 | $5.7M | 450k | 12.67 |
| 2015-12-31 | $7.8M | 433k | 18.15 |
| 2015-09-30 | $6.8M | 365k | 18.57 |
| 2015-06-30 | $8.9M | 365k | 24.42 |
| 2015-03-31 | $7.6M | 365k | 20.80 |
More positions owned by Rock Springs Capital Management
View all positions for Rock Springs Capital Management