Institutional Ownership
Catalyst Pharmaceuticals Inc
CUSIP 14888U101COMCPRXQ1 2026
13D / 13G Filings
33
Schedule 13D/13G on record
Beneficial Filers
10
Distinct reporting persons
Largest Stake
16.0%
Max % of class reported
Institutional Holders
373
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
33 filings · latest Nov 10, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Nov 10, 2025 | State Street Corporation | 13G | 5.2% | 6.41M | SEC |
| 2 | Apr 28, 2025 | Blackrock, Inc. | 13G/A | 13.9% | 16.89M | SEC |
| 3 | Feb 13, 2025 | Deerfield Mgmt, L.P. | 13G/A | 2.6% | 3.13M | SEC |
| 4 | Nov 14, 2024 | Flynn James E | 13G/A | 5.2% | 6.23M | SEC |
| 5 | Nov 8, 2024 | Blackrock, Inc. | 13G/A | 16.0% | 19.02M | SEC |
| 6 | Oct 18, 2024 | Blackrock, Inc. | 13G/A | 16.0% | 19.02M | SEC |
| 7 | Oct 17, 2024 | State Street Corp | 13G/A | 4.8% | 5.69M | SEC |
| 8 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 6.7% | 7.12M | SEC |
| 9 | Feb 12, 2024 | Flynn James E | 13G/A | 8.3% | 8.89M | SEC |
| 10 | Jan 25, 2024 | State Street Corp | 13G/A | 6.4% | — | SEC |
23 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Catalyst Pharmaceuticals Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 18.77M | $464.86M |
| 2 | State Street Corp | 6.86M | $169.93M |
| 3 | American Century Companies Inc | 4.14M | $102.47M |
| 4 | Deerfield Management Company, L.P. | 3.94M | $97.64M |
| 5 | Dimensional Fund Advisors LP | 3.43M | $84.91M |
| 6 | Bank Of America Corp /De/ | 3.04M | $75.18M |
| 7 | Geode Capital Management, LLC | 2.97M | $73.61M |
| 8 | Morgan Stanley | 2.69M | $66.54M |
| 9 | Renaissance Technologies LLC | 2.35M | $58.12M |
| 10 | Royce & Associates LP | 2.09M | $51.75M |