Ptc Therapeutics, Inc. PTCT
We take great care to ensure that the data presented and summarized in this overview for PTC THERAPEUTICS, INC. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding PTCT
View all-
Vanguard Group Inc Valley Forge, PA8.29MShares$624 Million0.01% of portfolio
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Black Rock Inc. New York, NY7.77MShares$585 Million0.01% of portfolio
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Rtw Investments, LP New York, NY7.75MShares$583 Million6.35% of portfolio
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Wellington Management Group LLP Boston, MA4.92MShares$370 Million0.06% of portfolio
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Janus Henderson Group PLC London, X03.77MShares$284 Million0.11% of portfolio
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Armistice Capital, LLC New York, NY3.28MShares$247 Million3.09% of portfolio
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Toronto Dominion Bank Toronto, Ontario, A63.25MShares$244 Million0.32% of portfolio
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State Street Corp Boston, MA3.13MShares$236 Million0.01% of portfolio
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D. E. Shaw & Co., Inc. New York, NY2.17MShares$164 Million0.09% of portfolio
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Geode Capital Management, LLC Boston, MA1.95MShares$147 Million0.01% of portfolio
Latest Institutional Activity in PTCT
Top Purchases
Top Sells
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
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 19
2025
|
Eric Pauwels CHIEF BUSINESS OFFICER |
SELL
Open market or private sale
|
Direct |
20,508
-2.47%
|
$1,579,116
$77.05 P/Share
|
|
Dec 19
2025
|
Eric Pauwels CHIEF BUSINESS OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
20,508
+6.33%
|
$1,025,400
$50.33 P/Share
|
|
Dec 18
2025
|
Eric Pauwels CHIEF BUSINESS OFFICER |
SELL
Open market or private sale
|
Direct |
3,202
-1.46%
|
$240,150
$75.03 P/Share
|
|
Dec 18
2025
|
Eric Pauwels CHIEF BUSINESS OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
3,202
+1.42%
|
$160,100
$50.33 P/Share
|
|
Dec 17
2025
|
Eric Pauwels CHIEF BUSINESS OFFICER |
SELL
Open market or private sale
|
Direct |
40,290
-8.03%
|
$3,021,750
$75.61 P/Share
|
|
Dec 17
2025
|
Eric Pauwels CHIEF BUSINESS OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
40,290
+10.48%
|
$2,014,500
$50.33 P/Share
|
|
Dec 16
2025
|
Michael Schmertzler |
BUY
Exercise of conversion of derivative security
|
Direct |
24,000
+13.39%
|
$720,000
$30.86 P/Share
|
|
Dec 03
2025
|
Emma Reeve |
SELL
Open market or private sale
|
Direct |
733
-9.91%
|
$57,174
$78.62 P/Share
|
|
Dec 03
2025
|
Emma Reeve |
BUY
Exercise of conversion of derivative security
|
Direct |
733
+9.01%
|
$33,718
$46.54 P/Share
|
|
Dec 02
2025
|
Matthew B. Klein CHIEF EXECUTIVE OFFICER |
SELL
Open market or private sale
|
Direct |
3,428
-0.97%
|
$270,812
$79.07 P/Share
|
|
Dec 01
2025
|
Matthew B. Klein CHIEF EXECUTIVE OFFICER |
BUY
Grant, award, or other acquisition
|
Direct |
15,625
+4.23%
|
-
|
|
Nov 25
2025
|
Neil Gregory Almstead CHIEF TECHNICAL OPS OFFICER |
SELL
Open market or private sale
|
Direct |
71,928
-3.12%
|
$5,970,024
$83.89 P/Share
|
|
Nov 25
2025
|
Neil Gregory Almstead CHIEF TECHNICAL OPS OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
71,928
+9.0%
|
$1,942,056
$27.02 P/Share
|
|
Nov 25
2025
|
Allan Steven Jacobson |
SELL
Open market or private sale
|
Direct |
14,199
-8.08%
|
$1,178,517
$84.0 P/Share
|
|
Nov 25
2025
|
Allan Steven Jacobson |
BUY
Exercise of conversion of derivative security
|
Direct |
14,199
+22.36%
|
$198,786
$14.62 P/Share
|
|
Nov 24
2025
|
Allan Steven Jacobson |
SELL
Open market or private sale
|
Direct |
11,801
-25.26%
|
$944,080
$80.14 P/Share
|
|
Nov 24
2025
|
Allan Steven Jacobson |
BUY
Exercise of conversion of derivative security
|
Direct |
11,801
+20.17%
|
$165,214
$14.62 P/Share
|
|
Nov 24
2025
|
Neil Gregory Almstead CHIEF TECHNICAL OPS OFFICER |
SELL
Open market or private sale
|
Direct |
35,572
-6.21%
|
$2,845,760
$80.16 P/Share
|
|
Nov 24
2025
|
Neil Gregory Almstead CHIEF TECHNICAL OPS OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
35,572
+5.58%
|
$960,444
$27.02 P/Share
|
|
Nov 21
2025
|
Emma Reeve |
SELL
Open market or private sale
|
Direct |
10,000
-60.0%
|
$790,000
$79.5 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 317K shares |
|---|---|
| Exercise of conversion of derivative security | 582K shares |
| Bona fide gift | 867 shares |
|---|---|
| Open market or private sale | 656K shares |