Institutional shares held 83.2 Million
811K calls
207K puts
Total value of holdings $6.26B
$61.1M calls
$15.6M puts
Market Cap $5.39B
71,541,000 Shares Out.
Institutional ownership 116.29%
# of Institutions 325


Latest Institutional Activity in PTCT

Top Purchases

Q3 2025
Jefferies Financial Group Inc. Shares Held: 1.58M ($119M)
Q3 2025
Point72 Asset Management, L.P. Shares Held: 1.22M ($91.9M)
Q3 2025
Citadel Advisors LLC Shares Held: 1.73M ($130M)
Q3 2025
Toronto Dominion Bank Shares Held: 3.25M ($244M)
Q3 2025
Millennium Management LLC Shares Held: 1.06M ($79.6M)

Top Sells

Q3 2025
Armistice Capital, LLC Shares Held: 3.28M ($247M)
Q3 2025
Morgan Stanley Shares Held: 419K ($31.6M)
Q3 2025
Vanguard Group Inc Shares Held: 8.29M ($624M)
Q3 2025
Assenagon Asset Management S.A. Shares Held: 108K ($8.11M)
Q3 2025
Man Group PLC Shares Held: 265K ($20M)

About PTCT

PTC Therapeutics, Inc., a biopharmaceutical company, focuses on the discovery, development, and commercialization of medicines to patients with rare disorders. Its portfolio pipeline includes commercial products and product candidates in various stages of development, including clinical, pre-clinical and research and discovery stages, focuses on the development of treatments for multiple therapeutic areas, such as rare diseases. The company offers Translarna and Emflaza for the treatment of Duchenne muscular dystrophy in the European Economic Area and the United States, as well as to treat nonsense mutation Duchenne muscular dystrophy in Brazil and Russia; commercializes Tegsedi and Waylivra for the treatment of rare diseases in Latin America and the Caribbean; and markets Evrysdi for the treatment of spinal muscular atrophy in adults and children two months and older in Brazil. The company's splicing platform includes PTC518, which is being developed for the treatment of Huntington's disease. PTC Therapeutics, Inc. has collaborations with F. Hoffman-La Roche Ltd and Hoffman-La Roche Inc., as well as the Spinal Muscular Atrophy Foundation to advance drug discovery and development research in regenerative medicine; and Akcea Therapeutics, Inc. to commercialize Tegsedi and Waylivra for the treatment of rare diseases in Latin America and the Caribbean. PTC Therapeutics, Inc. was incorporated in 1998 and is headquartered in South Plainfield, New Jersey.


Insider Transactions at PTCT

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
899K Shares
From 23 Insiders
Grant, award, or other acquisition 317K shares
Exercise of conversion of derivative security 582K shares
Sell / Disposition
657K Shares
From 12 Insiders
Bona fide gift 867 shares
Open market or private sale 656K shares

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