Catalyst Pharmaceuticals, Inc. (CPRX) Institutional Ownership

Ownership Summary

Catalyst Pharmaceuticals, Inc. (NASDAQ:CPRX) has 365 institutional investors with active 13F positions as of December 2025.

• These investors held 81.8% of outstanding shares in December 2025, down from 83.5% in September 2025.
• They increased total shares held in Catalyst Pharmaceuticals by 2.58% from last quarter, and the number of investors in CPRX increased 9.28% annually.
• Activity in CPRX broke down as 184 buyers, 128 sellers, and 53 unchanged among 365 total holders.
• Institutional investors collectively held 103.9Mn shares in Catalyst Pharmaceuticals as of December 2025, up by 2.62Mn shares quarter on quarter, and up 2.79Mn shares year over year.
• BlackRock, Inc. is the top holder of Catalyst Pharmaceuticals as of December 31, 2025, with 18.77Mn shares representing 14.77% of outstanding stock.
• The largest buyers of Catalyst Pharmaceuticals for the quarter ending December 2025 were VANGUARD CAPITAL MANAGEMENT LLC (5.12Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.48Mn), Janus Henderson Group Plc (2.28Mn), AMERICAN CENTURY COMPANIES INC (1.11Mn), Bank Of America Corp /De/ (836.7K).
• The largest sellers of Catalyst Pharmaceuticals for the quarter ending December 2025 were Fundsmith LLP (2.52Mn), Goldman Sachs Group Inc (974.35K), DEERFIELD MANAGEMENT COMPANY, L.P. (967.56K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (661.89K), Swedbank AB (616.13K).
• Business Quant data shows the 10 biggest positions in Catalyst Pharmaceuticals as of December 2025 are held by BlackRock, Inc. (18.77Mn), State Street Corp (6.86Mn), VANGUARD CAPITAL MANAGEMENT LLC (5.12Mn), AMERICAN CENTURY COMPANIES INC (4.14Mn), Janus Henderson Group Plc (4.0Mn), DEERFIELD MANAGEMENT COMPANY, L.P. (3.94Mn), DIMENSIONAL FUND ADVISORS LP (3.43Mn), Bank Of America Corp /De/ (3.04Mn), GEODE CAPITAL MANAGEMENT, LLC (2.97Mn), Morgan Stanley (2.69Mn).