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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
Mark Elliott BouldingEXEC. VP AND CLO2025-10-071,757$62.89
$110.50kSell
Mark Elliott BouldingEXEC. VP AND CLO2025-10-071,306$63.80
$83.32kSell
Mark Elliott BouldingEXEC. VP AND CLO2025-10-073,375$38.10
$128.59kBuy
Mark Elliott BouldingEXEC. VP AND CLO2025-10-07312$64.97
$20.27kSell
Mark Elliott BouldingEXEC. VP AND CLO2025-10-062,266$65.07
$147.45kSell
Mark Elliott BouldingEXEC. VP AND CLO2025-10-062,266$39.42
$89.33kBuy
Emma ReeveDirector2025-10-032,381$66.87
$159.22kSell
Emma ReeveDirector2025-10-033,028$65.09
$197.09kSell
Emma ReeveDirector2025-10-0310,000$39.42
$394.20kBuy
Emma ReeveDirector2025-10-034,591$66.09
$303.42kSell

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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 Inc11.16%8,847,467$595.88MInstitution
Rtw Investments LP9.77%7,746,415$521.72MInstitution
Blackrock Inc9.44%7,480,432$503.81MInstitution
Armistice Capital LLC5.97%4,735,464$318.93MInstitution
Wellington Management Group LLP5.92%4,694,138$316.15MInstitution
Michael Schmertzler4.76%3,774,742$254.23MInsider
Janus Henderson Group PLC4.01%3,175,015$213.84MInstitution
State Street Corp3.78%2,996,454$201.81MInstitution
Toronto Dominion Bank3.09%2,445,958$164.74MInstitution
Hbm Healthcare Investments Cayman Ltd3.08%2,441,504$164.44MInsider

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PTCT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PTCT84.83%15.17%Net SellingNet Selling
TGTX56.43%43.57%Net SellingNet Selling
KRYS78.75%21.25%Net Selling
CRSP67.76%32.24%Net BuyingNet Selling
PCVX88.06%11.94%Net SellingNet Selling
View Top Biotech Stocks

Ptc Therapeutics Stock Ownership FAQ

Who owns Ptc Therapeutics?

Ptc Therapeutics (NASDAQ: PTCT) is owned by 100.79% institutional shareholders, 18.02% Ptc Therapeutics insiders, and 0.00% retail investors. Michael Schmertzler is the largest individual Ptc Therapeutics shareholder, owning 3.77M shares representing 4.76% of the company. Michael Schmertzler's Ptc Therapeutics shares are currently valued at $257.10M.

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