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PTC Therapeutics (PTCT) Institutional Ownership

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$73.31 0.00 (0.00%)
Closing price 08/7/2026 04:00 PM Eastern
Extended Trading
$73.97 +0.66 (+0.90%)
As of 09:07 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for PTC Therapeutics (NASDAQ:PTCT)

Number of
Institutional Buyers
(last 12 months)
233
Total
Institutional Inflows
(last 12 months)
$2.71B
Number of
Institutional Sellers
(last 12 months)
125
Total
Institutional Outflows
(last 12 months)
$1.08B
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PTCT Institutional Buying and Selling by Quarter

PTC Therapeutics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/7/2026 BlackRock Inc.13,964,554$1.14B0.0%N/A16.732%
8/7/2026 Pallas Capital Advisors LLC3,222$263K0.0%N/A0.004%
8/7/2026 Deutsche Bank AG296,899$24.22M0.0%N/A0.356%
8/6/2026 State of Wyoming1,702$139K0.0%N/A0.002%
8/3/2026 Summit Global Investments7,542$615K0.0%N/A0.009%
8/3/2026 Walleye Capital LLC19,522$1.59M0.0%N/A0.024%
7/10/2026 Handelsbanken Fonder AB29,000$2.37M0.0%+15.1%0.035%
7/8/2026 Assenagon Asset Management S.A.6,899$563K0.0%-88.8%0.008%
7/7/2026 GAMMA Investing LLC1,453$119K0.0%+58.1%0.002%
7/7/2026 Avior Wealth Management LLC3,780$308K0.0%N/A0.005%
7/7/2026 Harbor Investment Advisory LLC987$81K0.0%N/A0.001%
6/12/2026Defilade Capital Management L.P.376,165$25.63M3.6%N/A0.453%
5/22/2026Segall Bryant & Hamill LLC195,380$13.31M0.2%+287.4%0.236%
5/19/2026Bank of America Corp DE1,886,841$128.55M0.0%+31.8%2.275%
5/19/2026Edgestream Partners L.P.8,314$566K0.0%N/A0.010%
5/19/2026Janus Henderson Group PLC7,193,433$490.00M0.2%+48.3%8.672%
5/18/2026Amundi4,500$307K0.0%N/A0.005%
5/18/2026 EverSource Wealth Advisors LLC1,045$71K0.0%+16.9%0.001%
5/18/2026California State Teachers Retirement System84,320$5.75M0.0%+23.5%0.102%
5/18/2026Royal Bank of Canada3,863$263K0.0%-38.1%0.005%
5/18/2026Rock Springs Capital Management LP161,798$11.02M0.6%+161.5%0.195%
5/18/2026Empowered Funds LLC57,906$3.95M0.0%-76.9%0.070%
5/16/2026The Manufacturers Life Insurance Company425,240$28.97M0.0%-0.3%0.513%
5/16/2026Quantinno Capital Management LP6,606$450K0.0%+6.0%0.008%
5/16/2026Castleark Management LLC91,880$6.26M0.2%-5.1%0.111%
5/16/2026Orbimed Advisors LLC49,100$3.35M0.1%+111.6%0.059%
5/14/2026Renaissance Technologies LLC533,300$36.33M0.1%-12.2%0.643%
5/14/2026Arrowstreet Capital Limited Partnership111,632$7.61M0.0%-72.5%0.135%
5/14/2026Sei Investments Co.130,204$8.87M0.0%+41.4%0.157%
5/14/2026 State of Wyoming6,153$419K0.0%N/A0.007%
5/13/2026Measured Wealth Private Client Group LLC7,395$504K0.1%+49.0%0.009%
5/13/2026 First Citizens Bank & Trust Co.12,581$857K0.0%N/A0.015%
5/13/2026First Trust Advisors LP136,003$9.27M0.0%-12.6%0.164%
5/8/2026 PNC Financial Services Group Inc.3,128$213K0.0%+8.5%0.004%
5/7/2026WCM Investment Management LLC94,687$6.22M0.0%-14.1%0.114%
5/7/2026Dimensional Fund Advisors LP890,715$60.67M0.0%+42.0%1.074%
5/7/2026Swiss National Bank142,865$9.73M0.0%+1.3%0.172%
5/6/2026 Gallacher Capital Management LLC3,019$206K0.1%N/A0.004%
5/6/2026 Financiere des Professionnels Fonds d investissement inc.7,228$492K0.0%+24.2%0.009%
5/6/2026Bessemer Group Inc.52,813$3.60M0.0%+21,814.1%0.064%
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5/6/2026Allspring Global Investments Holdings LLC47,871$3.29M0.0%+292.9%0.058%
5/5/2026 Bank of New York Mellon Corp522,763$35.62M0.0%+1.6%0.631%
5/5/2026Illinois Municipal Retirement Fund42,421$2.89M0.0%-15.0%0.051%
5/5/2026Sanctuary Advisors LLC3,627$247K0.0%N/A0.004%
5/4/2026 Empirical Financial Services LLC d.b.a. Empirical Wealth Management13,851$944K0.0%+9.6%0.017%
5/4/2026 Principal Financial Group Inc.515,001$35.09M0.0%+7.5%0.621%
5/1/2026 Fifth Third Bancorp17,447$1.19M0.0%+12,362.1%0.021%
4/30/2026Hsbc Holdings PLC227,059$15.47M0.0%+1,772.2%0.274%
4/29/2026 Burney Co.15,612$1.06M0.0%-41.2%0.019%
4/28/2026 Abel Hall LLC4,562$311K0.1%N/A0.006%
4/28/2026 QRG Capital Management Inc.26,023$1.77M0.0%+19.9%0.031%
4/27/2026 New York State Teachers Retirement System44,953$3.06M0.0%+0.7%0.054%
4/27/2026 Sierra Summit Advisors LLC11,790$803K0.1%+43.6%0.014%
4/25/2026 Strs Ohio21,400$1.46M0.0%+3.9%0.026%
4/23/2026Inspire Investing LLC7,559$515K0.0%+23.1%0.009%
4/22/2026 Janney Montgomery Scott LLC5,380$367K0.0%-5.3%0.006%
4/22/2026 Pictet Asset Management Holding SA1,183,720$80.06M0.1%+20.9%1.430%
4/22/2026 Sterling Capital Management LLC1,983$135K0.0%-62.5%0.002%
4/21/2026 Louisiana State Employees Retirement System35,600$2.43M0.0%N/A0.043%
4/20/2026Ritholtz Wealth Management24,178$1.65M0.0%-1.4%0.029%
4/20/2026 OP Asset Management Ltd33,602$2.29M0.0%N/A0.041%
4/20/2026 Assenagon Asset Management S.A.61,397$4.18M0.0%+13.3%0.074%
4/16/2026Evolve Private Wealth LLC6,122$417K0.0%+5.2%0.007%
4/16/2026BI Asset Management Fondsmaeglerselskab A S81,878$5.58M0.1%-48.7%0.099%
4/16/2026 Diversified Trust Co18,557$1.26M0.0%+6.7%0.022%
3/20/2026Hsbc Holdings PLC12,128$926K0.0%-93.2%0.015%
3/17/2026Rockefeller Capital Management L.P.405,536$30.81M0.1%-14.4%0.490%
3/9/2026Flax Pond Capital LLC6,000$456K0.3%N/A0.007%
2/24/2026Pacer Advisors Inc.235,653$17.90M0.0%-53.2%0.294%
2/19/2026Mcguire Capital Advisors Inc.5,226$397K0.3%N/A0.007%
2/19/2026Invesco Ltd.434,285$32.99M0.0%+38.7%0.541%
2/18/2026Mercer Global Advisors Inc. ADV13,431$1.02M0.0%-6.6%0.017%
2/18/2026 Summit Global Investments3,186$242K0.0%N/A0.004%
2/18/2026State of Tennessee Department of Treasury32,634$2.47M0.0%N/A0.041%
2/18/2026Mackenzie Financial Corp236,909$18.02M0.0%+17.4%0.295%
2/18/2026Empowered Funds LLC250,412$19.02M0.2%+473.0%0.312%
2/18/2026Ikarian Capital LLC118,657$9.01M0.7%-76.0%0.148%
2/18/2026VARCOV Co.2,720$207K0.1%N/A0.003%
2/18/2026Virtus Investment Advisers LLC9,033$686K0.2%+3.6%0.011%
2/18/2026Wellington Management Group LLP3,867,380$293.77M0.1%-21.4%4.817%
2/18/2026Toronto Dominion Bank4,138,215$314.34M0.5%+27.5%5.154%
2/18/2026Tudor Investment Corp ET AL7,412$563K0.0%N/A0.009%
2/18/2026Orbimed Advisors LLC23,200$1.76M0.0%N/A0.029%
2/18/2026Millennium Management LLC22,494$1.71M0.0%-97.9%0.028%
2/18/2026Man Group plc16,185$1.23M0.0%-93.9%0.020%
2/18/2026Inspire Investing LLC6,140$466K0.0%-18.3%0.008%
2/18/2026Ishara Investments LP36,000$2.74M3.2%N/A0.045%
2/18/2026Janus Henderson Group PLC4,851,332$368.59M0.2%+28.6%6.042%
2/18/2026Gotham Asset Management LLC16,259$1.24M0.0%-10.0%0.020%
2/18/2026Evolve Private Wealth LLC5,817$442K0.0%N/A0.007%
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2/18/2026Engineers Gate Manager LP36,709$2.79M0.0%+227.1%0.046%
2/18/2026Bridgeway Capital Management LLC28,100$2.13M0.0%-32.8%0.035%
2/18/2026Boothbay Fund Management LLC39,735$3.02M0.0%-79.5%0.049%
2/18/2026Armistice Capital LLC2,801,869$212.83M2.5%-14.5%3.490%
2/17/2026Guggenheim Capital LLC41,238$3.13M0.0%+145.6%0.051%
2/17/2026AQR Capital Management LLC341,927$25.97M0.0%+3.2%0.426%
2/17/2026MPM Bioimpact LLC430,013$32.66M3.7%-1.9%0.536%
2/17/2026Kotler Kevin5,000$380K0.1%N/A0.006%
2/17/2026Price T Rowe Associates Inc. MD460,114$34.95M0.0%+0.4%0.573%
2/17/2026Rock Springs Capital Management LP61,879$4.70M0.2%N/A0.077%


PTCT Institutional Ownership - Frequently Asked Questions

During the previous two years, 350 institutional investors and hedge funds held shares of PTC Therapeutics. The most heavily invested institutionals were BlackRock Inc. ($1.14B), Vanguard Group Inc. ($668.69M), Janus Henderson Group PLC ($490.00M), State Street Corp ($319.50M), Toronto Dominion Bank ($314.34M), Wellington Management Group LLP ($293.77M), and Armistice Capital LLC ($212.83M).Learn more on PTC Therapeutics' institutional investors.

Of the 312 institutional investors that purchased PTC Therapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($13.96M), Toronto Dominion Bank ($7.47M), Janus Henderson Group PLC ($3.88M), State Street Corp ($1.76M), Jefferies Financial Group Inc. ($1.66M), Driehaus Capital Management LLC ($1.51M), and Point72 Asset Management L.P. ($1.51M).

Institutional investors have bought a total of 37,112,764 shares in the last 24 months. This purchase volume represents approximately $2.71B in transactions.

Of the 125 institutional investors that sold PTC Therapeutics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Millennium Management LLC ($5.36M), Armistice Capital LLC ($2.63M), Wellington Management Group LLP ($1.05M), Man Group plc ($655.33K), Assenagon Asset Management S.A. ($631.95K), Marshall Wace LLP ($583.26K), and Vanguard Group Inc. ($558.47K).

Institutional investors have sold a total of 16,452,444 shares in the last 24 months. This volume of shares sold represents approximately $1.08B in transactions.


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Institutional ownership data for NASDAQ:PTCT is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/7/2026. New 13F filings are added each quarter as they're published.
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