RTW INVESTMENTS, LP
Top Portfolio Positions
87 positions ·
$10,097,544,596 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| MDGL |
Madrigal Pharmaceuticals, Inc.
Healthcare
|
1,993,687 | $1,043,635,333 | 10.34% | |
| INSM |
INSMED Inc
Healthcare
|
4,842,880 | $791,907,737 | 7.84% | |
| PTGX |
Protagonist Therapeutics, Inc
Healthcare
|
5,059,053 | $533,224,186 | 5.28% | |
| PTCT |
Ptc Therapeutics, Inc.
Healthcare
|
7,746,415 | $527,763,253 | 5.23% | |
| ARGX |
Argenx SE
Healthcare
|
709,446 | $518,072,941 | 5.13% | |
| CGON |
CG Oncology, Inc.
Healthcare
|
6,984,808 | $472,731,805 | 4.68% | |
| CELC |
Celcuity Inc.
Healthcare
|
3,039,621 | $346,942,340 | 3.44% | |
| TNGX |
Tango Therapeutics, Inc.
Healthcare
|
13,300,620 | $278,248,970 | 2.76% | |
| ERAS |
Erasca, Inc.
Healthcare
|
16,157,175 | $261,423,091 | 2.59% | |
| NTRA |
Natera, Inc.
Healthcare
|
1,250,000 | $249,987,500 | 2.48% |
Portfolio Trend
25 quarters · across all stocks
Holdings in TARS
Shares Held
Position Value (USD)
22 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $234,723,653 | 3,346,025 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $273,096,001 | 3,335,320 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $188,835,021 | 3,177,436 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $126,054,156 | 3,111,680 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $170,344,563 | 3,316,032 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $179,207,718 | 3,236,549 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $112,236,664 | 3,412,486 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $92,751,369 | 3,412,486 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $118,949,595 | 3,272,341 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $63,834,905 | 3,152,341 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $51,190,056 | 2,880,701 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $46,044,618 | 2,548,125 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $32,029,931 | 2,548,125 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $37,355,512 | 2,548,125 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $34,636,824 | 2,023,179 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $29,398,574 | 2,013,601 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $33,868,768 | 2,013,601 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $45,306,022 | 2,013,601 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $43,393,101 | 2,013,601 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $58,354,156 | 2,013,601 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $79,401,860 | 2,463,601 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $101,820,629 | 2,463,601 | Shares | Sole | 2021-02-16 | |
| No 13F history on record for this holder in this stock. | ||||||