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NASDAQ: PTCT
Ptc Therapeutics Inc Stock Ownership - Who owns Ptc Therapeutics?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Ptc Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Emma ReeveDirector2025-12-03733$46.54
$34.11kBuy
Emma ReeveDirector2025-12-03733$78.62
$57.63kSell
Matthew B. KleinCHIEF EXECUTIVE OFFICER2025-12-023,428$79.07
$271.05kSell
Neil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER2025-11-2547,624$33.02
$1.57MBuy
Neil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER2025-11-2513,514$82.55
$1.12MSell
Neil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER2025-11-2521,844$83.33
$1.82MSell
Neil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER2025-11-259,171$84.42
$774.22kSell
Neil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER2025-11-253,095$85.15
$263.54kSell
Neil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER2025-11-2511,399$33.02
$376.39kBuy
Neil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER2025-11-253,744$82.61
$309.29kSell

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Net Insider Buy/Sell (L12M) Ownership

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PTCT Shareholders

What type of owners hold Ptc Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vanguard Group Inc10.32%8,288,999$626.98MInstitution
Rtw Investments LP9.65%7,746,415$585.94MInstitution
Blackrock Inc8.88%7,130,807$539.37MInstitution
Wellington Management Group LLP6.13%4,918,619$372.04MInstitution
Michael Schmertzler4.70%3,774,742$285.52MInsider
Janus Henderson Group PLC4.70%3,773,556$285.43MInstitution
Armistice Capital LLC4.08%3,277,272$247.89MInstitution
Toronto Dominion Bank4.04%3,246,525$245.57MInstitution
State Street Corp3.90%3,134,783$237.11MInstitution
Hbm Healthcare Investments Cayman Ltd3.04%2,441,504$184.68MInsider

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PTCT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PTCT85.26%14.74%Net SellingNet Selling
KYMR75.16%24.84%Net BuyingNet Buying
PTGX82.92%17.08%Net SellingNet Selling
PCVX87.60%12.40%Net Selling
COGT90.84%9.16%Net Buying
View Top Biotech Stocks

Ptc Therapeutics Stock Ownership FAQ

Who owns Ptc Therapeutics?

Ptc Therapeutics (NASDAQ: PTCT) is owned by 102.99% institutional shareholders, 17.80% Ptc Therapeutics insiders, and 0.00% retail investors. Michael Schmertzler is the largest individual Ptc Therapeutics shareholder, owning 3.77M shares representing 4.70% of the company. Michael Schmertzler's Ptc Therapeutics shares are currently valued at $287.82M.

If you're new to stock investing, here's how to buy Ptc Therapeutics stock.
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