SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in SLDB — Solid Biosciences Inc.
CIK 1446194
BALA CYNWYD, PA
Position in SLDB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,628,739
-$313,324 QoQ
Shares Held
163,037
-39.6% QoQ
Ownership
0.152%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#48
of 155 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in SLDB Over Time
Shares Held
Position Value (USD)
Derivatives in SLDB
reported options exposure · as of Jun 30, 2026CallValue
$373,626
CallShares
37,400
PutValue
$132,867
PutShares
13,300
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 $1,649,997,309 across 349 Biotechnology names. SLDB ranks #95 (0.1% 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 SLDB
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $132,867 | 13,300 | Put | Other | 2026-08-14 | |
| 2026-06-30 | $373,626 | 37,400 | Call | Other | 2026-08-14 | |
| 2026-06-30 | $1,628,739 | 163,037 | Shares | Other | 2026-08-14 | |
| 2026-03-31 | $1,942,063 | 269,731 | Shares | Other | 2026-05-15 | |
| 2026-03-31 | $509,040 | 70,700 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $1,694,880 | 235,400 | Call | Other | 2026-05-15 | |
| 2025-12-31 | $85,728 | 15,200 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $2,816,012 | 499,293 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $101,188 | 16,400 | Put | Other | 2025-11-14 | |
| 2025-09-30 | $98,103 | 15,900 | Call | Other | 2025-11-14 | |
| 2025-09-30 | $3,107,619 | 503,666 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $1,698,967 | 348,864 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $282,460 | 58,000 | Call | Other | 2025-08-14 | |
| 2025-03-31 | $271,210 | 73,300 | Put | Other | 2025-05-14 | |
| 2025-03-31 | $731,815 | 197,788 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $220,150 | 59,500 | Call | Other | 2025-05-14 | |
| 2024-12-31 | $117,600 | 29,400 | Call | Other | 2025-02-14 | |
| 2024-12-31 | $211,944 | 52,986 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $52,000 | 13,000 | Put | Other | 2025-02-14 | |
| 2024-09-30 | $728,762 | 104,557 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $217,464 | 31,200 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $320,620 | 46,000 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $124,740 | 22,000 | Put | Defined | 2024-08-15 | |
| 2024-06-30 | $197,622 | 34,854 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $2,895,661 | 217,392 | Shares | Defined | 2024-05-07 | |
| 2023-12-31 | $204,062 | 33,235 | Shares | Defined | 2024-02-14 | |
| 2023-03-31 | $88,590 | 18,690 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $147,412 | 27,400 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $18,166 | 38,900 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $11,642 | 18,900 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $37,189 | 60,373 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $17,880 | 14,900 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $18,480 | 15,400 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $23,198 | 19,332 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $177,296 | 101,312 | Shares | Defined | 2022-04-05 | |
| 2021-12-31 | $129,675 | 74,100 | Put | Defined | 2022-04-05 | |
| 2021-09-30 | $338,947 | 141,819 | Shares | Defined | 2021-11-15 | |
| 2021-09-30 | $206,974 | 86,600 | Put | Defined | 2021-11-15 | |
| 2021-06-30 | $403,698 | 110,300 | Call | Defined | 2021-08-11 | |
| 2021-06-30 | $88,981 | 24,312 | Shares | Defined | 2021-08-11 | |
| 2021-06-30 | $331,962 | 90,700 | Put | Defined | 2021-08-11 | |
| 2021-03-31 | $669,130 | 121,000 | Put | Defined | 2021-05-17 | |
| 2021-03-31 | $465,626 | 84,200 | Call | Defined | 2021-05-17 | |
| 2021-03-31 | $230,247 | 41,636 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $529,084 | 69,800 | Put | Defined | 2021-02-16 | |
| 2020-12-31 | $436,608 | 57,600 | Call | Defined | 2021-02-16 | |
| 2020-12-31 | $313,311 | 41,334 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $48,251 | 23,769 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $186,037 | 63,494 | Shares | Defined | 2020-08-14 | |
| 2020-06-30 | $96,690 | 33,000 | Put | Defined | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||