SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in CPRX — Catalyst Pharmaceuticals, Inc.
CIK 1446194
BALA CYNWYD, PA
Position in CPRX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$21,115,823
+$17,283,115 QoQ
Shares Held
852,820
+419.3% QoQ
Ownership
0.697%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CPRX Over Time
Shares Held
Position Value (USD)
Derivatives in CPRX
reported options exposure · as of Mar 31, 2026CallValue
$1,465,792
CallShares
59,200
PutValue
$1,245,428
PutShares
50,300
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 Mar 31, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $1,176,415,994 across 355 Biotechnology names. CPRX ranks #12 (1.8% 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 CPRX
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,245,428 | 50,300 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $1,465,792 | 59,200 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $21,115,823 | 852,820 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $557,826 | 23,900 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $3,832,708 | 164,212 | Shares | Other | 2026-02-17 | |
| 2025-12-31 | $781,890 | 33,500 | Put | Other | 2026-02-17 | |
| 2025-09-30 | $1,319,663 | 66,988 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $2,098,050 | 106,500 | Call | Other | 2025-11-14 | |
| 2025-09-30 | $5,183,070 | 263,100 | Put | Other | 2025-11-14 | |
| 2025-06-30 | $4,598,230 | 211,900 | Put | Other | 2025-08-14 | |
| 2025-06-30 | $5,862,710 | 270,171 | Shares | Other | 2025-08-14 | |
| 2025-03-31 | $5,719,896 | 235,872 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $269,175 | 11,100 | Put | Other | 2025-05-14 | |
| 2024-12-31 | $2,070,575 | 99,213 | Shares | Other | 2025-02-14 | |
| 2024-09-30 | $2,409,893 | 121,222 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $709,716 | 35,700 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $226,632 | 11,400 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $1,316,278 | 84,976 | Shares | Defined | 2024-08-15 | |
| 2024-06-30 | $322,192 | 20,800 | Call | Defined | 2024-08-15 | |
| 2024-03-31 | $2,057,869 | 129,101 | Shares | Defined | 2024-05-07 | |
| 2024-03-31 | $183,310 | 11,500 | Call | Defined | 2024-05-07 | |
| 2023-12-31 | $3,068,547 | 182,543 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $147,294 | 12,600 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $1,589,512 | 135,972 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $2,535,778 | 188,674 | Shares | Defined | 2023-08-11 | |
| 2023-06-30 | $361,536 | 26,900 | Put | Defined | 2023-08-11 | |
| 2023-06-30 | $655,872 | 48,800 | Call | Defined | 2023-08-11 | |
| 2023-03-31 | $248,700 | 15,000 | Put | Defined | 2023-05-16 | |
| 2023-03-31 | $3,234,774 | 195,101 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $3,708,946 | 223,700 | Call | Defined | 2023-05-16 | |
| 2022-12-31 | $3,701,400 | 199,000 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $232,500 | 12,500 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $5,380,514 | 289,275 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $255,317 | 19,900 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $243,770 | 19,000 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $2,753,702 | 214,630 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $417,732 | 59,591 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $924,417 | 111,510 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $1,133,643 | 167,451 | Shares | Defined | 2022-04-05 | |
| 2021-09-30 | $66,250 | 12,500 | Call | Defined | 2021-11-15 | |
| 2021-09-30 | $138,860 | 26,200 | Put | Defined | 2021-11-15 | |
| 2021-09-30 | $1,030,372 | 194,410 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $1,000,500 | 174,000 | Put | Defined | 2021-08-11 | |
| 2021-06-30 | $231,725 | 40,300 | Call | Defined | 2021-08-11 | |
| 2021-06-30 | $1,762,409 | 306,506 | Shares | Defined | 2021-08-11 | |
| 2021-03-31 | $777,614 | 168,680 | Shares | Defined | 2021-05-17 | |
| 2021-03-31 | $47,944 | 10,400 | Put | Defined | 2021-05-17 | |
| 2021-03-31 | $93,122 | 20,200 | Call | Defined | 2021-05-17 | |
| 2020-12-31 | $339,497 | 101,646 | Shares | Defined | 2021-03-26 | |
| 2020-12-31 | $81,496 | 24,400 | Call | Defined | 2021-03-26 | |
| No filing history on record for this holder in this stock. | ||||||