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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
Matthew B. KleinCHIEF EXECUTIVE OFFICER2026-04-212,850$70.91
$202.09kSell
Mark Elliott BouldingEXEC. VP AND CLO2026-04-061,443$69.75
$100.65kSell
Mark Elliott BouldingEXEC. VP AND CLO2026-04-062,265$39.42
$89.29kBuy
Mark Elliott BouldingEXEC. VP AND CLO2026-04-06822$68.91
$56.64kSell
Lee Scott GoldenEVP CHIEF MEDICAL OFFICER2026-04-02829$67.99
$56.36kSell
Neil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER2026-04-0112,530$69.50
$870.84kSell
Neil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER2026-04-0180$70.30
$5.62kSell
Neil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER2026-04-0139,393$68.89
$2.71MSell
Matthew B. KleinCHIEF EXECUTIVE OFFICER2026-03-122,662$64.08
$170.58kSell
Stephanie OkeyDirector2026-03-101,167$33.63
$39.25kBuy

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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
Blackrock Inc15.44%12,779,065$824.89MInstitution
Vanguard Group Inc10.64%8,803,203$568.25MInstitution
Rtw Investments LP9.36%7,746,415$500.03MInstitution
Janus Henderson Group PLC5.86%4,851,332$313.15MInstitution
State Street Corp5.08%4,206,126$271.51MInstitution
Toronto Dominion Bank5.00%4,138,215$267.12MInstitution
Wellington Management Group LLP4.67%3,867,380$249.64MInstitution
Michael Schmertzler4.60%3,806,742$245.73MInsider
Armistice Capital LLC3.38%2,801,869$180.86MInstitution
Hbm Healthcare Investments Cayman Ltd2.95%2,441,504$157.60MInsider

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PTCT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PTCT86.56%13.44%Net SellingNet Selling
TGTX58.07%41.93%Net Selling
SRRK60.18%39.82%Net BuyingNet Selling
IMVT47.65%52.35%Net BuyingNet Selling
APLS76.66%23.34%Net SellingNet Buying
View Top Biotech Stocks

Ptc Therapeutics Stock Ownership FAQ

Who owns Ptc Therapeutics?

Ptc Therapeutics (NASDAQ: PTCT) is owned by 111.99% institutional shareholders, 17.39% Ptc Therapeutics insiders, and 0.00% retail investors. Michael Schmertzler is the largest individual Ptc Therapeutics shareholder, owning 3.81M shares representing 4.60% of the company. Michael Schmertzler's Ptc Therapeutics shares are currently valued at $247.67M.

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