MILLENNIUM MANAGEMENT LLC
Position in CPRX — Catalyst Pharmaceuticals, Inc.
CIK 1273087
NEW YORK, NY
Position in CPRX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$18,990,697
-$4,201,023 QoQ
Shares Held
766,991
-22.8% QoQ
Ownership
0.627%
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%
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
$495,200
CallShares
20,000
PutValue
$0
PutShares
0
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, 2026MILLENNIUM MANAGEMENT LLC holds $4,570,822,033 across 342 Biotechnology names. CPRX ranks #59 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | JAZZ |
Jazz Pharmaceuticals plc
|
1,262,511 | $238,677,704 | |
| 2 | INSM |
INSMED Inc
|
1,157,786 | $189,321,166 | |
| 3 | BMRN |
Biomarin Pharmaceutical Inc
|
3,010,308 | $170,052,298 | |
| 4 | TERN |
Terns Pharmaceuticals, Inc.
|
3,011,558 | $158,769,337 | |
| 5 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
447,887 | $148,192,371 | |
| 6 | FOLD |
AMICUS THERAPEUTICS, INC.
|
7,908,459 | $114,356,317 | |
| 7 | ARDX |
Ardelyx, Inc.
|
17,842,370 | $106,875,796 | |
| 8 | BLTE |
Belite Bio, Inc
|
570,088 | $90,894,830 |
All Filings in CPRX
Export CSV
28 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $495,200 | 20,000 | Call | Sole | 2026-05-15 | |
| 2026-03-31 | $18,990,697 | 766,991 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $23,191,720 | 993,647 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $788,000 | 40,000 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $2,886,050 | 146,500 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $23,229,885 | 1,179,182 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $9,333,821 | 430,130 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $7,360,675 | 303,533 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $10,868,636 | 520,778 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $11,128,167 | 559,767 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $2,010,803 | 129,813 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $1,666,303 | 104,536 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $3,004,300 | 178,721 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $3,977,767 | 340,271 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $4,234,419 | 315,061 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $22,467,475 | 1,355,095 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $43,034,187 | 2,313,666 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $18,479,793 | 1,440,358 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $19,094,503 | 2,723,895 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $9,647,976 | 1,163,809 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $1,566,794 | 231,432 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $287,185 | 54,186 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $1,721,394 | 299,373 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $2,821,366 | 612,010 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $1,459,867 | 437,086 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $89,898 | 30,269 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $1,224,544 | 265,053 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $3,207,053 | 833,001 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||