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 CMPX
Shares Held
Position Value (USD)
18 of 18 shown
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $17,485,079 | 3,305,308 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $21,089,074 | 3,927,202 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $15,661,457 | 4,474,702 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $12,903,683 | 4,962,955 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $9,429,614 | 4,962,955 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $8,380,383 | 5,779,575 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $10,357,799 | 5,629,239 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $5,513,788 | 5,513,788 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $10,917,300 | 5,513,788 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $8,601,509 | 5,513,788 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $10,862,162 | 5,513,788 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $17,533,845 | 5,513,788 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $18,030,086 | 5,513,788 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $26,825,935 | 5,333,188 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $12,159,668 | 5,333,188 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $14,119,433 | 5,328,088 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $7,299,480 | 5,328,088 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $16,890,038 | 5,328,088 | Shares | Sole | 2022-02-14 | |
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