SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in PTCT — Ptc Therapeutics, Inc.
CIK 1446194
BALA CYNWYD, PA
Position in PTCT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$14,166,815
+$12,747,807 QoQ
Shares Held
207,938
+1013.1% QoQ
Ownership
0.251%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in PTCT Over Time
Shares Held
Position Value (USD)
Derivatives in PTCT
reported options exposure · as of Mar 31, 2026CallValue
$4,898,547
CallShares
71,900
PutValue
$5,661,603
PutShares
83,100
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 $1,176,415,994 across 355 Biotechnology names. PTCT ranks #22 (1.2% 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 PTCT
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,661,603 | 83,100 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $4,898,547 | 71,900 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $14,166,815 | 207,938 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $9,814,032 | 129,200 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $9,776,052 | 128,700 | Put | Other | 2026-02-17 | |
| 2025-12-31 | $1,419,008 | 18,681 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $2,414,909 | 39,350 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $7,640,565 | 124,500 | Put | Other | 2025-11-14 | |
| 2025-09-30 | $13,482,989 | 219,700 | Call | Other | 2025-11-14 | |
| 2025-06-30 | $3,335,772 | 68,300 | Put | Other | 2025-08-14 | |
| 2025-06-30 | $6,969,468 | 142,700 | Call | Other | 2025-08-14 | |
| 2025-06-30 | $21,085,693 | 431,730 | Shares | Other | 2025-08-14 | |
| 2025-03-31 | $5,405,174 | 106,067 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $8,810,984 | 172,900 | Call | Other | 2025-05-14 | |
| 2025-03-31 | $5,717,712 | 112,200 | Put | Other | 2025-05-14 | |
| 2024-12-31 | $5,922,368 | 131,200 | Call | Other | 2025-02-14 | |
| 2024-12-31 | $4,589,338 | 101,669 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $9,398,148 | 208,200 | Put | Other | 2025-02-14 | |
| 2024-09-30 | $278,250 | 7,500 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $821,468 | 22,142 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $2,003,400 | 54,000 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $494,937 | 16,185 | Shares | Defined | 2024-08-15 | |
| 2024-06-30 | $2,247,630 | 73,500 | Put | Defined | 2024-08-15 | |
| 2024-06-30 | $2,544,256 | 83,200 | Call | Defined | 2024-08-15 | |
| 2024-03-31 | $1,554,394 | 53,434 | Shares | Defined | 2024-05-07 | |
| 2024-03-31 | $450,895 | 15,500 | Call | Defined | 2024-05-07 | |
| 2024-03-31 | $1,023,968 | 35,200 | Put | Defined | 2024-05-07 | |
| 2023-12-31 | $674,282 | 24,466 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $1,008,696 | 36,600 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $418,912 | 15,200 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $318,222 | 14,200 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $1,541,808 | 68,800 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $2,184,121 | 97,462 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $935,410 | 23,000 | Put | Defined | 2023-08-11 | |
| 2023-06-30 | $4,669,159 | 114,806 | Shares | Defined | 2023-08-11 | |
| 2023-06-30 | $4,071,067 | 100,100 | Call | Defined | 2023-08-11 | |
| 2023-03-31 | $678,160 | 14,000 | Call | Defined | 2023-05-16 | |
| 2023-03-31 | $5,926,585 | 122,349 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $406,896 | 8,400 | Put | Defined | 2023-05-16 | |
| 2022-12-31 | $2,206,226 | 57,800 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $2,084,082 | 54,600 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $1,644,172 | 43,075 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $2,013,020 | 40,100 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $3,925,640 | 78,200 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $3,564,501 | 71,006 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $472,708 | 11,800 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $2,131,071 | 53,197 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $1,089,452 | 29,200 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $1,522,248 | 40,800 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $1,520,382 | 40,750 | Shares | Defined | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||