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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, 2026
CallValue
$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, 2026

SUSQUEHANNA 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

All Filings in CPRX

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,245,428 50,300
2026-03-31 $1,465,792 59,200
2026-03-31 $21,115,823 852,820
2025-12-31 $557,826 23,900
2025-12-31 $3,832,708 164,212
2025-12-31 $781,890 33,500
2025-09-30 $1,319,663 66,988
2025-09-30 $2,098,050 106,500
2025-09-30 $5,183,070 263,100
2025-06-30 $4,598,230 211,900
2025-06-30 $5,862,710 270,171
2025-03-31 $5,719,896 235,872
2025-03-31 $269,175 11,100
2024-12-31 $2,070,575 99,213
2024-09-30 $2,409,893 121,222
2024-09-30 $709,716 35,700
2024-09-30 $226,632 11,400
2024-06-30 $1,316,278 84,976
2024-06-30 $322,192 20,800
2024-03-31 $2,057,869 129,101
2024-03-31 $183,310 11,500
2023-12-31 $3,068,547 182,543
2023-09-30 $147,294 12,600
2023-09-30 $1,589,512 135,972
2023-06-30 $2,535,778 188,674
2023-06-30 $361,536 26,900
2023-06-30 $655,872 48,800
2023-03-31 $248,700 15,000
2023-03-31 $3,234,774 195,101
2023-03-31 $3,708,946 223,700
2022-12-31 $3,701,400 199,000
2022-12-31 $232,500 12,500
2022-12-31 $5,380,514 289,275
2022-09-30 $255,317 19,900
2022-09-30 $243,770 19,000
2022-09-30 $2,753,702 214,630
2022-06-30 $417,732 59,591
2022-03-31 $924,417 111,510
2021-12-31 $1,133,643 167,451
2021-09-30 $66,250 12,500
2021-09-30 $138,860 26,200
2021-09-30 $1,030,372 194,410
2021-06-30 $1,000,500 174,000
2021-06-30 $231,725 40,300
2021-06-30 $1,762,409 306,506
2021-03-31 $777,614 168,680
2021-03-31 $47,944 10,400
2021-03-31 $93,122 20,200
2020-12-31 $339,497 101,646
2020-12-31 $81,496 24,400