Institutions / Rock Springs Capital Management LP
Rock Springs Capital Management LP
CIK 1595725 · Institution · as of Dec 31, 2025
Portfolio value
$1.95B
Positions
98
As of
Dec 31, 2025
Top holdings
Dec 31, 2025View all 98 →
| Company | Value | % of portfolio |
|---|---|---|
| ELI LILLY & Co | $113.27M | 5.8% |
| Revolution Medicines, Inc. | $106.35M | 5.5% |
| Argenx SE | $86.83M | 4.5% |
| Travere Therapeutics, Inc. | $84.46M | 4.3% |
| Madrigal Pharmaceuticals, Inc. | $81.31M | 4.2% |
| Rhythm Pharmaceuticals, Inc. | $74.39M | 3.8% |
| Exact Sciences Corp. | $61.12M | 3.1% |
| Mirum Pharmaceuticals, Inc. | $60.21M | 3.1% |
| Insmed Inc | $55.56M | 2.9% |
| Structure Therapeutics Inc.GPCR | $52.04M | 2.7% |
| Intuitive Surgical Inc | $46.44M | 2.4% |
| Cidara Therapeutics Inc | $45.26M | 2.3% |
| Ascendis Pharma A/S | $43.39M | 2.2% |
| iRhythm Holdings, Inc. | $41.70M | 2.1% |
| Kymera Therapeutics, Inc. | $38.66M | 2.0% |
| Boston Scientific Corp | $38.05M | 2.0% |
| Penumbra Inc | $37.46M | 1.9% |
| Xenon Pharmaceuticals Inc. | $35.31M | 1.8% |
| Scholar Rock Holding Corp | $32.31M | 1.7% |
| Cogent Biosciences, Inc. | $30.16M | 1.5% |
| Ultragenyx Pharmaceutical Inc. | $29.15M | 1.5% |
| Vera Therapeutics, Inc. | $28.79M | 1.5% |
| Alnylam Pharmaceuticals Inc | $28.33M | 1.5% |
| Amicus Therapeutics Inc | $27.48M | 1.4% |
| SPDR Series Trust | $27.07M | 1.4% |
Activity
Dec 31, 2025
InsidersInstitutions
This fund's 13F position changes — what it's buying and selling.No quarter-over-quarter changes yet — position changes appear once we've ingested two consecutive 13F filings for this manager. We currently hold 1 quarter of holdings.