SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in DYN — Dyne Therapeutics, Inc.
CIK 1446194
BALA CYNWYD, PA
Position in DYN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,046,690
-$924,476 QoQ
Shares Held
47,127
-56.7% QoQ
Ownership
0.025%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#121
of 245 holders
Holding Since
Mar 2021
17 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in DYN Over Time
Shares Held
Position Value (USD)
Derivatives in DYN
reported options exposure · as of Jun 30, 2026CallValue
$330,929
CallShares
14,900
PutValue
$1,390,346
PutShares
62,600
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. DYN ranks #121 (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 DYN
Export CSV
39 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,046,690 | 47,127 | Shares | Other | 2026-08-14 | |
| 2026-06-30 | $1,390,346 | 62,600 | Put | Other | 2026-08-14 | |
| 2026-06-30 | $330,929 | 14,900 | Call | Other | 2026-08-14 | |
| 2026-03-31 | $1,971,166 | 108,724 | Shares | Other | 2026-05-15 | |
| 2026-03-31 | $2,028,747 | 111,900 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $250,194 | 13,800 | Call | Other | 2026-05-15 | |
| 2025-12-31 | $1,921,085 | 98,215 | Shares | Other | 2026-02-17 | |
| 2025-12-31 | $2,114,436 | 108,100 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $3,814,200 | 195,000 | Put | Other | 2026-02-17 | |
| 2025-09-30 | $1,489,790 | 117,770 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $1,129,645 | 89,300 | Put | Other | 2025-11-14 | |
| 2025-09-30 | $135,355 | 10,700 | Call | Other | 2025-11-14 | |
| 2025-06-30 | $1,770,862 | 186,015 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $158,984 | 16,700 | Put | Other | 2025-08-14 | |
| 2025-03-31 | $1,614,542 | 154,354 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $393,296 | 37,600 | Put | Other | 2025-05-14 | |
| 2025-03-31 | $438,274 | 41,900 | Call | Other | 2025-05-14 | |
| 2024-12-31 | $1,873,349 | 79,514 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $1,481,924 | 62,900 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $1,444,228 | 61,300 | Call | Other | 2025-02-14 | |
| 2024-09-30 | $1,684,648 | 46,900 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $5,923,208 | 164,900 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $1,180,654 | 32,869 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $900,635 | 25,521 | Shares | Defined | 2024-08-15 | |
| 2024-06-30 | $857,547 | 24,300 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $670,510 | 19,000 | Put | Defined | 2024-08-15 | |
| 2024-03-31 | $12,506,760 | 440,534 | Shares | Defined | 2024-05-07 | |
| 2024-03-31 | $3,000,823 | 105,700 | Put | Defined | 2024-05-07 | |
| 2024-03-31 | $1,058,947 | 37,300 | Call | Defined | 2024-05-07 | |
| 2023-12-31 | $285,950 | 21,500 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $346,039 | 26,018 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $498,750 | 37,500 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $663,469 | 74,048 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $135,000 | 12,000 | Put | Defined | 2023-08-11 | |
| 2023-06-30 | $236,328 | 21,007 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $581,909 | 50,513 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $197,308 | 17,024 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $338,467 | 26,651 | Shares | Defined | 2022-11-14 | |
| 2021-03-31 | $228,011 | 14,682 | Shares | Defined | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||