Position in PTGX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$620,398,831
+$87,174,645 QoQ
Shares Held
5,061,175
+0.0% QoQ
Ownership
7.82%
of shares outstanding
% of Portfolio
5.30%
of 13F equity value
Holder Rank
#3
of 341 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PTGX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026RTW INVESTMENTS, LP holds $9,530,420,260 across 63 Biotechnology names. PTGX ranks #4 (6.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
1,993,687 | $1,070,510,234 | |
| 2 | ARGX |
Argenx SE
|
709,446 | $658,202,715 | |
| 3 | PTCT |
Ptc Therapeutics, Inc.
|
7,746,415 | $631,875,071 | |
| 4 | PTGX |
Protagonist Therapeutics, Inc
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|
5,061,175 | $620,398,831 | |
| 5 | CGON |
CG Oncology, Inc.
|
8,514,590 | $604,961,619 | |
| 6 | INSM |
INSMED Inc
|
4,842,880 | $516,347,865 | |
| 7 | TNGX |
Tango Therapeutics, Inc.
|
13,900,620 | $434,533,381 | |
| 8 | SYRE |
Spyre Therapeutics, Inc.
|
4,251,996 | $377,492,204 |
All Filings in PTGX
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $620,398,831 | 5,061,175 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $533,224,186 | 5,059,053 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $441,857,689 | 5,059,053 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $382,389,481 | 5,756,277 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $318,149,429 | 5,756,277 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $276,590,909 | 5,719,415 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $212,243,837 | 5,498,545 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $244,175,040 | 5,426,112 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $183,173,898 | 5,286,404 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $153,777,820 | 5,315,514 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $121,884,736 | 5,315,514 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $90,330,773 | 5,415,514 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $149,576,496 | 5,415,514 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $105,818,377 | 4,600,799 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $39,188,567 | 3,591,986 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $35,210,735 | 4,176,837 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $37,924,487 | 4,794,499 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $113,533,736 | 4,794,499 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $88,913,912 | 2,599,822 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $31,075,475 | 1,753,695 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $157,411,663 | 3,507,390 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $90,841,401 | 3,507,390 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $73,585,391 | 3,650,069 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $66,645,187 | 3,408,961 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $59,747,453 | 3,383,208 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $18,782,367 | 2,660,392 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||