SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in ABOS — Acumen Pharmaceuticals, Inc.
CIK 1446194
BALA CYNWYD, PA
Position in ABOS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$336,697
-$1,082,786 QoQ
Shares Held
126,104
-79.0% QoQ
Ownership
0.174%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#27
of 96 holders
Holding Since
Jun 2022
17 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ABOS Over Time
Shares Held
Position Value (USD)
Derivatives in ABOS
reported options exposure · as of Jun 30, 2026CallValue
$158,598
CallShares
59,400
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Jun 30, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $1,650,012,247 across 349 Biotechnology names. ABOS ranks #188 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABVX |
Abivax S.A.
|
1,053,896 | $140,442,180 | |
| 2 | CYTK |
Cytokinetics Inc
|
1,549,458 | $131,998,327 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
180,219 | $112,373,755 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
294,460 | $88,641,293 | |
| 5 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
148,610 | $79,796,139 | |
| 6 | INSM |
INSMED Inc
|
729,354 | $77,763,723 | |
| 7 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
144,174 | $71,615,550 | |
| 8 | AGIO |
Agios Pharmaceuticals, Inc.
|
1,375,558 | $51,046,957 |
All Filings in ABOS
Export CSV
41 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $158,598 | 59,400 | Call | Other | 2026-08-14 | |
| 2026-06-30 | $336,697 | 126,104 | Shares | Other | 2026-08-14 | |
| 2026-03-31 | $132,160 | 56,000 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $131,924 | 55,900 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $1,419,483 | 601,476 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $787,447 | 373,198 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $366,691 | 214,440 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $176,712 | 152,338 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $19,952 | 17,200 | Call | Other | 2025-08-14 | |
| 2025-03-31 | $122,073 | 110,976 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $28,490 | 25,900 | Put | Other | 2025-05-14 | |
| 2024-12-31 | $130,527 | 75,888 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $56,932 | 33,100 | Put | Other | 2025-02-14 | |
| 2024-09-30 | $135,904 | 54,800 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $52,328 | 21,100 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $133,967 | 54,019 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $80,828 | 33,400 | Put | Defined | 2024-08-15 | |
| 2024-06-30 | $130,873 | 54,080 | Shares | Defined | 2024-08-15 | |
| 2024-06-30 | $386,232 | 159,600 | Call | Defined | 2024-08-15 | |
| 2024-03-31 | $978,480 | 241,600 | Call | Defined | 2024-05-07 | |
| 2024-03-31 | $310,635 | 76,700 | Put | Defined | 2024-05-07 | |
| 2024-03-31 | $1,076,664 | 265,843 | Shares | Defined | 2024-05-07 | |
| 2023-12-31 | $733,824 | 191,100 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $610,176 | 158,900 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $1,919,208 | 499,794 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $737,782 | 177,779 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $439,070 | 105,800 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $809,250 | 195,000 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $678,691 | 141,100 | Call | Defined | 2023-08-11 | |
| 2023-06-30 | $417,989 | 86,900 | Put | Defined | 2023-08-11 | |
| 2023-03-31 | $202,594 | 49,900 | Put | Defined | 2023-05-16 | |
| 2023-03-31 | $526,963 | 129,794 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $171,738 | 42,300 | Call | Defined | 2023-05-16 | |
| 2022-12-31 | $483,629 | 89,561 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $190,080 | 35,200 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $88,020 | 16,300 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $111,333 | 11,100 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $270,810 | 27,000 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $1,207,612 | 120,400 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $123,017 | 26,174 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $47,470 | 10,100 | Put | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||