Universe · entity
RTW INVESTMENTS, LP
Institutional manager (13F) · CIK 1493215
13F holdings · as of 2026-03-31 · top 50 · reported portfolio $9.5B
| # | Issuer | Value | Shares |
|---|---|---|---|
| 1 | MADRIGAL PHARMACEUTICALS INC | $1.0B | 1,993,687 |
| 2 | INSMED INC | $792M | 4,842,880 |
| 3 | PROTAGONIST THERAPEUTICS INC | $533M | 5,059,053 |
| 4 | PTC THERAPEUTICS INC | $528M | 7,746,415 |
| 5 | ARGENX SE | $518M | 709,446 |
| 6 | CG ONCOLOGY INC | $473M | 6,984,808 |
| 7 | CELCUITY INC | $347M | 3,039,621 |
| 8 | TANGO THERAPEUTICS INC | $278M | 13,300,620 |
| 9 | ERASCA INC | $261M | 16,157,175 |
| 10 | NATERA INC | $250M | 1,250,000 |
| 11 | RADNET INC | $239M | 4,285,000 |
| 12 | TARSUS PHARMACEUTICALS INC | $235M | 3,346,025 |
| 13 | APOGEE THERAPEUTICS INC | $234M | 2,782,097 |
| 14 | SPYRE THERAPEUTICS INC | $210M | 4,171,996 |
| 15 | COGENT BIOSCIENCES INC | $210M | 5,458,675 |
| 16 | IRHYTHM HOLDINGS INC | $197M | 1,668,500 |
| 17 | STOKE THERAPEUTICS INC | $183M | 5,623,525 |
| 18 | CYTOKINETICS INC | $179M | 2,721,158 |
| 19 | ACADIA PHARMACEUTICALS INC | $159M | 7,144,524 |
| 20 | ESTABLISHMENT LABS HLDGS INC | $151M | 2,655,695 |
| 21 | APELLIS PHARMACEUTICALS INC | $148M | 3,685,045 |
| 22 | IMMUNOCORE HLDGS PLC | $147M | 4,869,798 |
| 23 | REPLIGEN CORP | $142M | 1,206,000 |
| 24 | NEUROCRINE BIOSCIENCES INC | $140M | 1,062,072 |
| 25 | GUARDANT HEALTH INC | $137M | 1,481,033 |
| 26 | IMMATICS N.V | $127M | 12,869,340 |
| 27 | ZAI LAB LTD | $124M | 6,574,032 |
| 28 | BELITE BIO INC | $114M | 715,332 |
| 29 | INTUITIVE SURGICAL INC | $101M | 220,000 |
| 30 | ORUKA THERAPEUTICS INC | $101M | 2,058,148 |
| 31 | GH RESEARCH PLC | $83M | 5,933,815 |
| 32 | XENCOR INC | $82M | 6,777,461 |
| 33 | UROGEN PHARMA LTD | $82M | 4,543,895 |
| 34 | CENTESSA PHARMACEUTICALS PLC | $82M | 2,054,175 |
| 35 | IMMUNOVANT INC | $79M | 3,177,849 |
| 36 | ULTRAGENYX PHARMACEUTICAL IN | $76M | 3,648,795 |
| 37 | HINGE HEALTH INC | $74M | 1,930,000 |
| 38 | CASTLE BIOSCIENCES INC | $68M | 2,758,335 |
| 39 | ROCKET PHARMACEUTICALS INC | $63M | 17,687,772 |
| 40 | TAYSHA GENE THERAPIES INC | $61M | 13,680,248 |
| 41 | ALKERMES PLC | $59M | 1,672,356 |
| 42 | COMPASS PATHWAYS PLC | $59M | 10,632,390 |
| 43 | KODIAK SCIENCES INC | $57M | 1,487,934 |
| 44 | REPLIMUNE GROUP INC | $56M | 7,356,916 |
| 45 | CRINETICS PHARMACEUTICALS IN | $53M | 1,451,326 |
| 46 | UNIQURE NV | $42M | 2,586,356 |
| 47 | WAYSTAR HLDG CORP | $39M | 1,630,000 |
| 48 | ARROWHEAD PHARMACEUTICALS IN | $37M | 585,682 |
| 49 | ORCHESTRA BIOMED HLDGS INC | $35M | 8,306,063 |
| 50 | VERASTEM INC | $35M | 6,576,306 |
Source: sec_edgar_13f · public regulatory · retrieved 2026-06-29. Public SEC data; no contact information.