Rock Springs Capital Management LP
Top Portfolio Positions
98 positions ·
$1,690,777,301 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio |
|---|---|---|---|---|
| RVMD |
Revolution Medicines, Inc.
Healthcare
|
1,209,465 | $117,620,471 | 6.96% |
| LLY |
ELI LILLY & Co
Healthcare
|
98,700 | $90,781,299 | 5.37% |
| MDGL |
Madrigal Pharmaceuticals, Inc.
Healthcare
|
170,999 | $89,512,846 | 5.29% |
| MIRM |
Mirum Pharmaceuticals, Inc.
Healthcare
|
811,294 | $74,947,339 | 4.43% |
| ARGX |
Argenx SE
Healthcare
|
98,500 | $71,929,625 | 4.25% |
| RYTM |
Rhythm Pharmaceuticals, Inc.
Healthcare
|
689,748 | $59,987,383 | 3.55% |
| INSM |
INSMED Inc
Healthcare
|
314,300 | $51,394,336 | 3.04% |
| ASND |
Ascendis Pharma A/S
Healthcare
|
194,000 | $44,373,620 | 2.62% |
| XENE |
Xenon Pharmaceuticals Inc.
Healthcare
|
763,020 | $44,369,613 | 2.62% |
| TVTX |
Travere Therapeutics, Inc.
Healthcare
|
1,477,954 | $43,910,013 | 2.60% |
Portfolio Trend
Holdings in PHVS
Shares Held
Position Value (USD)
9 of 9 shown
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $18,236,307 | 645,533 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $17,299,405 | 623,402 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $15,553,879 | 623,402 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $10,971,875 | 623,402 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $9,787,411 | 623,402 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $14,859,261 | 775,131 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $14,018,362 | 756,931 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $14,230,302 | 756,931 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $17,400,073 | 752,924 | Shares | Sole | 2024-05-15 | |
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