Institutional shares held 103 Million
0 calls
277K puts
Total value of holdings $2.09B
$0 calls
$5.64M puts
Market Cap $2.12B
102,820,000 Shares Out.
Institutional ownership 99.78%
# of Institutions 385


Latest Institutional Activity in CPRX

Top Purchases

Q2 2025
American Century Companies Inc Shares Held: 1.76M ($36.2M)
Q2 2025
Morgan Stanley Shares Held: 3.18M ($65.5M)
Q2 2025
Fundsmith LLP Shares Held: 2.71M ($55.8M)
Q2 2025
Bank Of America Corp Shares Held: 2.37M ($48.7M)
Q2 2025
Janus Henderson Group PLC Shares Held: 752K ($15.5M)

Top Sells

Q2 2025
Goldman Sachs Group Inc Shares Held: 2.41M ($49.7M)
Q2 2025
Deerfield Management Company, L.P. (Series C) Shares Held: 2.88M ($59.3M)
Q2 2025
Citadel Advisors LLC Shares Held: 260K ($5.35M)
Q2 2025
New Vernon Capital Holdings Ii LLC Shares Held: 13.5K ($278K)
Q2 2025
Dimensional Fund Advisors LP Shares Held: 1.91M ($39.3M)

About CPRX

Catalyst Pharmaceuticals, Inc., a commercial-stage biopharmaceutical company, focuses on developing and commercializing therapies for people with rare debilitating, chronic neuromuscular, and neurological diseases in the United States. It offers Firdapse, an amifampridine phosphate tablets for the treatment of patients with lambert-eaton myasthenic syndrome (LEMS); and Ruzurgi for the treatment of pediatric LEMS patients. The company also develops Firdapse for the treatment of MuSK antibody positive myasthenia gravis, and spinal muscular atrophy type 3, as well as to treat hereditary neuropathy with liability to pressure palsies. It has license agreements with BioMarin Pharmaceutical Inc.; and collaboration and license agreement with Endo Ventures Limited for the development and commercialization of generic Sabril tablets. The company was formerly known as Catalyst Pharmaceutical Partners, Inc. and changed its name to Catalyst Pharmaceuticals, Inc. in May 2015. Catalyst Pharmaceuticals, Inc. was founded in 2002 and is based in Coral Gables, Florida.


Insider Transactions at CPRX

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
2.46M Shares
From 14 Insiders
Exercise of conversion of derivative security 2.39M shares
Open market or private sale 70K shares
Sell / Disposition
1.91M Shares
From 15 Insiders
Payment of exercise price or tax liability 50.4K shares
Open market or private sale 1.86M shares

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