Tower Research Capital LLC (TRC)
Position in ATOS — Atossa Therapeutics, Inc.
CIK 1533421
NEW YORK, NY
Position in ATOS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,539
+$2,180 QoQ
Shares Held
863
+223.2% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATOS 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.
| # | 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 ATOS
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,539 | 863 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $2,359 | 3,999 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $2,188 | 2,516 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $11,187 | 13,479 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $9,176 | 13,697 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $12,637 | 13,444 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $11,618 | 7,644 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $35,362 | 29,717 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $1 | 1 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $9,459 | 10,749 | Shares | Other | 2024-02-13 | |
| 2023-09-30 | $9,792 | 13,233 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $21,147 | 16,784 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $7,487 | 10,400 | Shares | Other | 2023-05-09 | |
| 2022-12-31 | $1,860 | 3,511 | Shares | Other | 2023-02-10 | |
| 2022-09-30 | $35 | 43 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $1,472 | 1,351 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $31,738 | 25,391 | Shares | Other | 2022-05-12 | |
| 2021-12-31 | $35,775 | 22,360 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $24,657 | 7,564 | Shares | Other | 2021-11-15 | |
| 2021-06-30 | $30,253 | 4,787 | Shares | Defined | 2021-08-16 | |
| 2020-09-30 | $2,952 | 1,220 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $6,368 | 1,676 | Shares | Defined | 2020-08-13 | |
| No filing history on record for this holder in this stock. | ||||||