Tower Research Capital LLC (TRC)
Position in KRSA — Korsana Biosciences, Inc.
CIK 1533421
NEW YORK, NY
Position in KRSA
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$6,268
+$2,263 QoQ
Shares Held
264
-41.5% QoQ
Ownership
0.039%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#15
of 21 holders
Holding Since
Mar 2020
21 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in KRSA Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Tower Research Capital LLC (TRC) holds $49,738,477 across 465 Biotechnology names. KRSA ranks #347 (0.0% 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 KRSA
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $6,268 | 1,849 | Shares | Defined | 2026-08-11 | |
| 2025-12-31 | $4,005 | 3,154 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $5,354 | 2,328 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $8,040 | 2,763 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $2,635 | 1,054 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $7,860 | 2,441 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $2,792 | 1,078 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $3,367 | 1,464 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $105 | 33 | Shares | Other | 2024-05-15 | |
| 2023-03-31 | $5,760 | 13,273 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $10,858 | 16,552 | Shares | Defined | 2023-02-10 | |
| 2022-09-30 | $7,776 | 9,043 | Shares | Defined | 2022-11-10 | |
| 2022-06-30 | $7,449 | 13,569 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $19,380 | 17,460 | Shares | Other | 2022-05-12 | |
| 2021-12-31 | $39,124 | 22,747 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $88,225 | 28,738 | Shares | Other | 2021-11-15 | |
| 2021-03-31 | $18,667 | 6,691 | Shares | Other | 2021-05-17 | |
| 2020-12-31 | $16,600 | 5,425 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $148,351 | 24,400 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $30,619 | 5,181 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $7,761 | 2,929 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||