WallStreetZenWallStreetZen

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
Eric PauwelsCHIEF BUSINESS OFFICER2026-01-121,024$78.70
$80.59kSell
Eric PauwelsCHIEF BUSINESS OFFICER2026-01-091,722$77.41
$133.30kSell
Mark Elliott BouldingEXEC. VP AND CLO2026-01-09107$79.52
$8.51kSell
Mark Elliott BouldingEXEC. VP AND CLO2026-01-09686$78.71
$54.00kSell
Mark Elliott BouldingEXEC. VP AND CLO2026-01-091,521$77.46
$117.82kSell
Eric PauwelsCHIEF BUSINESS OFFICER2026-01-081,454$76.45
$111.16kSell
Mark Elliott BouldingEXEC. VP AND CLO2026-01-081,286$76.45
$98.31kSell
Lee Scott GoldenEVP CHIEF MEDICAL OFFICER2026-01-08866$76.45
$66.21kSell
Christine Marie UtterSVP CHIEF ACCOUNTING OFFICER2026-01-081,034$76.45
$79.05kSell
Neil Gregory AlmsteadCHIEF TECHNICAL OPS OFFICER2026-01-08881$76.45
$67.35kSell

1 of 27

PTCT insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when PTCT insiders and whales buy or sell their stock.

PTCT Shareholders

What type of owners hold Ptc Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vanguard Group Inc10.32%8,288,999$633.53MInstitution
Rtw Investments LP9.65%7,746,415$592.06MInstitution
Blackrock Inc8.88%7,130,807$545.01MInstitution
Wellington Management Group LLP6.13%4,918,619$375.93MInstitution
Michael Schmertzler4.74%3,806,742$290.95MInsider
Janus Henderson Group PLC4.70%3,773,556$288.41MInstitution
Armistice Capital LLC4.08%3,277,272$250.48MInstitution
Toronto Dominion Bank4.04%3,246,525$248.13MInstitution
State Street Corp3.90%3,134,783$239.59MInstitution
Hbm Healthcare Investments Cayman Ltd3.04%2,441,504$186.60MInsider

1 of 3

PTCT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PTCT85.10%14.90%Net SellingNet Selling
IBRX14.52%7.75%Net SellingNet Selling
BLTE7.19%0.00%
GPCR31.11%11.77%Net Selling
MIRM52.20%47.80%Net BuyingNet 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, 18.03% Ptc Therapeutics insiders, and 0.00% retail investors. Michael Schmertzler is the largest individual Ptc Therapeutics shareholder, owning 3.81M shares representing 4.74% of the company. Michael Schmertzler's Ptc Therapeutics shares are currently valued at $287.52M.

If you're new to stock investing, here's how to buy Ptc Therapeutics stock.
©2026 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.