Rock Springs Capital Management LP quarter change: Foreign Stocks, New
In share positions in stocks (depositary receipts and foreign shares traded over the counter), from the quarter ended 2026-03-31 to 2026-06-30, Rock Springs Capital Management LP opened 0 positions, added to 3, reduced 3, sold out of 1 and left 1 unchanged. The largest increase in value was GPCR (+$3,507,354); the largest decrease was ARGX (-$22,989,757).
Two Form 13F-HR filings compared (SEC CIK 1595725): 2026-03-31 (filed 2026-05-15) and 2026-06-30 (filed 2026-08-14). Rows for the same security, class and put/call are added together. Value change is the filed value at each quarter end, so it includes the price move; share change is the position change.
No position of this class changed this way between the two filings.
Similar Firms
| Firm Name | Country | 13F Value | Holdings |
|---|---|---|---|
| ALPINE ASSOCIATES MANAGEMENT INC. | United States | $1.696B | 70 |
| ADAR1 Capital Management, LLC | United States | $1.699B | 311 |
| BlueCrest Capital Management Ltd | Jersey | $1.693B | 231 |
| Intesa Sanpaolo S.p.A. | Italy | $1.692B | 219 |
| PDT Partners, LLC | United States | $1.689B | 527 |
| Segment Wealth Management, LLC | United States | $1.704B | 309 |
| Traynor Capital Management, Inc. | United States | $1.705B | 335 |
| Financiere des Professionnels - Fonds d'investissement inc. | Canada | $1.706B | 428 |
| GOLDENTREE ASSET MANAGEMENT LP | United States | $1.687B | 29 |
| Forest Avenue Capital Management LP | United States | $1.686B | 26 |