Tower Research Capital LLC (TRC)
Position in GLSI — Greenwich LifeSciences, Inc.
CIK 1533421
NEW YORK, NY
Position in GLSI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$34,108
+$9,821 QoQ
Shares Held
1,420
+22.8% QoQ
Ownership
0.010%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
19 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in GLSI Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Tower Research Capital LLC (TRC) holds $67,054,490 across 440 Biotechnology names. GLSI ranks #196 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARGX |
Argenx SE
|
12,112 | $8,844,787 | |
| 2 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
13,904 | $6,208,692 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
4,378 | $3,382,617 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
9,627 | $3,185,285 | |
| 5 | INSM |
INSMED Inc
|
15,410 | $2,519,843 | |
| 6 | LKFT |
Lakefront Biotherapeutics NV
|
66,536 | $1,996,080 | |
| 7 | MRNA |
Moderna, Inc.
|
33,728 | $1,713,382 | |
| 8 | BBIO |
BridgeBio Pharma, Inc.
|
14,349 | $1,065,556 |
All Filings in GLSI
Export CSV
19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $34,108 | 1,420 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $24,287 | 1,156 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $12,706 | 1,277 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $29,595 | 3,263 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $9,606 | 1,007 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $11,769 | 1,048 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $9,096 | 633 | Shares | Defined | 2024-11-14 | |
| 2024-03-31 | $10,568 | 530 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $15,106 | 1,436 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $11,456 | 1,296 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $11,844 | 1,228 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $15,182 | 1,101 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $790 | 52 | Shares | Other | 2023-02-10 | |
| 2022-06-30 | $10,934 | 1,291 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $9,711 | 495 | Shares | Defined | 2022-05-12 | |
| 2021-12-31 | $21,798 | 896 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $9,650 | 247 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $12,942 | 288 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $63,167 | 1,853 | Shares | Other | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||