Ticker · CUSIP 14888U101

CPRX

CATALYST PHARMACEUTICALS INC
···Share
Holders (tracked)
10
Combined shares
5,209,451
Combined value
$104.13M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
-2 vs previous quarter over the last 8.
10112024Q12025Q4

SEC event timeline

17 events
  1. −89,425 shares · 2025Q4
    Position
  2. −94,341 shares · 2025Q4
    Position
  3. +5,106 shares · 2025Q4
    Position
  4. −3,066 shares · 2025Q4
    Position
  5. −185,535 shares · 2025Q4
    Position
  6. −33,401 shares · 2025Q4
    Position
  7. −894,753 shares · 2025Q4
    Position
  8. −305 shares · 2025Q4
    Position
  9. −76,088 shares · 2025Q3
    Position
  10. +6,619 shares · 2025Q3
    Position
  11. −61,370 shares · 2025Q3
    Position
  12. +31,149 shares · 2025Q3
    Position
  13. +749,052 shares · 2025Q3
    Position
  14. +7,977 shares · 2025Q3
    Position
  15. +293,314 shares · 2025Q3
    Position
  16. −13,766 shares · 2025Q3
    Position
  17. +91,770 shares · 2024Q3
    Position

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions0
Added to1
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
10
$100.8M
2022Q2
11
$96.6M
2022Q3
13
$11.7M
2022Q4
13
$372.4M
2023Q1
13
$310.8M
2023Q2
11
$236.2M
2023Q3
11
$201.0M
2023Q4
10
$294.5M
2024Q1
11
$318.0M
2024Q2
10
$353.4M
2024Q3
11
$79.4M
2024Q4
11
$92.3M
2025Q1
11
$114.3M
2025Q2
11
$101.0M
2025Q3
12
$116.7M
2025Q4
10
$104.1M

Who owns CPRX

10 super-investors · 2025Q4
Tracked stake
5.21M
shares
Combined value
$104M
% of shares outstanding
shares-out unknown
Quarter action mix
Added1Trim9
#ManagerSharesValue
1Renaissance Technologies2.65M$62M
2Izzy Englander
Millennium Mgmt
993.6K$23M
3Ken Griffin
Citadel Advisors
308.5K$7M
4AQR Capital Management303.7K$7M
5Ken Fisher
Fisher Asset Mgmt
82.8K$2M
6Wellington Management49.9K$1M
7Ken Griffin
Citadel Advisors
49.7K$1M
8Ken Griffin
Citadel Advisors
11.6K$271K
9D.E. Shaw & Co.10.8K$252K
10T. Rowe Price748.8K$17K

Recent moves

20 transactions
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