1. Catalyst Pharmaceuticals Inc
  2. Catalyst Pharmaceuticals Inc Ownership

Historical shareholding details of Oberweis Asset Management Inc holdings in Catalyst Pharmaceuticals Inc (CPRX)

Monthly changes of Oberweis Asset Management Inc shareholding in Catalyst Pharmaceuticals Inc over the previous months

Month Name Total no. shares held Percent Holding
Mar 31, 2025 Oberweis Asset Management Inc 934,200 0.77%
Feb 28, 2025 Oberweis Asset Management Inc 934,200 0.77%
Jan 31, 2025 Oberweis Asset Management Inc 916,800 0.76%
Dec 31, 2024 Oberweis Asset Management Inc 467,100 0.38%
Dec 31, 2024 Oberweis Asset Management Inc 916,800 0.77%
Nov 30, 2024 Oberweis Asset Management Inc 916,800 0.77%
Oct 31, 2024 Oberweis Asset Management Inc 916,800 0.77%
Sep 30, 2024 Oberweis Asset Management Inc 458,400 0.38%
Sep 30, 2024 Oberweis Asset Management Inc 916,800 0.77%
Aug 31, 2024 Oberweis Asset Management Inc 916,800 0.77%
Jul 31, 2024 Oberweis Asset Management Inc 916,800 0.77%
Jun 30, 2024 Oberweis Asset Management Inc 458,400 0.38%
Jun 30, 2024 Oberweis Asset Management Inc 916,800 0.78%
May 31, 2024 Oberweis Asset Management Inc 916,800 0.78%
Apr 30, 2024 Oberweis Asset Management Inc 697,200 0.59%
Mar 31, 2024 Oberweis Asset Management Inc 458,400 0.39%
Mar 31, 2024 Oberweis Asset Management Inc 697,200 0.59%
Feb 29, 2024 Oberweis Asset Management Inc 697,200 0.59%
Jan 31, 2024 Oberweis Asset Management Inc 587,200 0.50%
Dec 31, 2023 Oberweis Asset Management Inc 587,200 0.55%
Nov 30, 2023 Oberweis Asset Management Inc 477,000 0.45%
Oct 31, 2023 Oberweis Asset Management Inc 477,000 0.45%
Sep 30, 2023 Oberweis Asset Management Inc 293,600 0.25%
Sep 30, 2023 Oberweis Asset Management Inc 366,800 0.34%
Aug 31, 2023 Oberweis Asset Management Inc 294,800 0.28%
Jul 31, 2023 Oberweis Asset Management Inc 294,800 0.28%
Jun 30, 2023 Oberweis Asset Management Inc 183,400 0.17%
Jun 30, 2023 Oberweis Asset Management Inc 294,800 0.28%
May 31, 2023 Oberweis Asset Management Inc 193,200 0.18%
Mar 31, 2023 Oberweis Asset Management Inc 147,400 0.14%
Dec 31, 2022 Oberweis Asset Management Inc 96,600 0.09%

View all ownership details of Catalyst Pharmaceuticals Inc