Tower Research Capital LLC (TRC)
Position in PTGX — Protagonist Therapeutics, Inc
CIK 1533421
NEW YORK, NY
Position in PTGX
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$311,230
-$211,659 QoQ
Shares Held
2,539
-48.8% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#247
of 343 holders
Holding Since
Jun 2020
25 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, 2026Tower Research Capital LLC (TRC) holds $49,479,230 across 466 Biotechnology names. PTGX ranks #28 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARGX |
Argenx SE
|
4,547 | $4,218,570 | |
| 2 | BBIO |
BridgeBio Pharma, Inc.
|
38,206 | $2,845,582 | |
| 3 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
34,537 | $2,815,110 | |
| 4 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
4,292 | $2,131,964 | |
| 5 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
3,927 | $2,108,602 | |
| 6 | AXSM |
Axsome Therapeutics, Inc.
|
6,437 | $1,575,584 | |
| 7 | INSM |
INSMED Inc
|
10,927 | $1,165,036 | |
| 8 | ROIV |
Roivant Sciences Ltd.
|
32,746 | $1,158,880 |
All Filings in PTGX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $311,230 | 2,539 | Shares | Defined | 2026-08-11 | |
| 2026-03-31 | $522,889 | 4,961 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $178,784 | 2,047 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $252,500 | 3,801 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $295,086 | 5,339 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $11,170 | 231 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $284,442 | 7,369 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $16,200 | 360 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $508,523 | 14,676 | Shares | Other | 2024-08-13 | |
| 2024-03-31 | $9,315 | 322 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $269,633 | 11,759 | Shares | Other | 2024-02-13 | |
| 2023-09-30 | $128,802 | 7,722 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $86,118 | 3,118 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $38,134 | 1,658 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $19,059 | 1,747 | Shares | Other | 2023-02-10 | |
| 2022-09-30 | $228,907 | 27,154 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $401,218 | 50,723 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $146,413 | 6,183 | Shares | Other | 2022-05-12 | |
| 2021-12-31 | $302,156 | 8,835 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $214,996 | 12,133 | Shares | Other | 2021-11-15 | |
| 2021-06-30 | $91,824 | 2,046 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $40,067 | 1,547 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $225,206 | 11,171 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $26,138 | 1,337 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $51,002 | 2,888 | Shares | Defined | 2020-08-13 | |
| No filing history on record for this holder in this stock. | ||||||