SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in DYN — Dyne Therapeutics, Inc.
CIK 1446194
BALA CYNWYD, PA
Position in DYN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,971,166
+$50,081 QoQ
Shares Held
108,724
+10.7% QoQ
Ownership
0.076%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
16 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in DYN Over Time
Shares Held
Position Value (USD)
Derivatives in DYN
reported options exposure · as of Mar 31, 2026CallValue
$250,194
CallShares
13,800
PutValue
$2,028,747
PutShares
111,900
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 Mar 31, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $1,159,899,084 across 353 Biotechnology names. DYN ranks #105 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CYTK |
Cytokinetics Inc
|
898,951 | $59,249,860 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
174,268 | $57,660,053 | |
| 3 | AGIO |
Agios Pharmaceuticals, Inc.
|
1,344,953 | $45,499,759 | |
| 4 | ABVX |
Abivax S.A.
|
381,282 | $42,455,750 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
398,943 | $29,625,507 | |
| 6 | INSM |
INSMED Inc
|
173,630 | $28,391,977 | |
| 7 | CRSP |
CRISPR Therapeutics AG
|
593,406 | $28,228,323 | |
| 8 | TERN |
Terns Pharmaceuticals, Inc.
|
521,571 | $27,497,223 |
All Filings in DYN
Export CSV
36 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||