Tower Research Capital LLC (TRC)
Position in ABOS — Acumen Pharmaceuticals, Inc.
CIK 1533421
NEW YORK, NY
Position in ABOS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$278
-$9,126 QoQ
Shares Held
118
-97.4% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#79
of 84 holders
Holding Since
Sep 2021
18 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ABOS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Tower Research Capital LLC (TRC) holds $67,026,208 across 431 Biotechnology names. ABOS ranks #422 (0.0% 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 ABOS
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $278 | 118 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $9,404 | 4,457 | Shares | Defined | 2026-02-17 | |
| 2025-06-30 | $4,211 | 3,631 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $9,285 | 8,441 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $35,472 | 20,624 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $9,696 | 3,910 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $64,100 | 26,488 | Shares | Other | 2024-08-13 | |
| 2024-03-31 | $5,709 | 1,410 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $111,701 | 29,089 | Shares | Other | 2024-02-13 | |
| 2023-09-30 | $8,831 | 2,128 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $17,195 | 3,575 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $12,269 | 3,022 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $17,668 | 3,272 | Shares | Other | 2023-02-10 | |
| 2022-09-30 | $81,413 | 8,117 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $18,259 | 3,885 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $9,990 | 2,555 | Shares | Defined | 2022-05-12 | |
| 2021-12-31 | $44,094 | 6,523 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $10,327 | 695 | Shares | Defined | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||