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PTC Therapeutics (PTCT) Institutional Ownership

PTC Therapeutics logo
$70.09 -1.72 (-2.40%)
As of 08/28/2026 04:00 PM Eastern
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Institutional Ownership Changes (13F Filings) for PTC Therapeutics (NASDAQ:PTCT)

Number of
Institutional Buyers
(last 12 months)
222
Total
Institutional Inflows
(last 12 months)
$4.28B
Number of
Institutional Sellers
(last 12 months)
114
Total
Institutional Outflows
(last 12 months)
$1.02B
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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
8/27/2026 Corient Private Wealth LP15,095$1.23M0.0%N/A0.018%
8/26/2026 Amundi12,227$997K0.0%+171.7%0.015%
8/26/2026 HighTower Advisors LLC5,888$480K0.0%-13.1%0.007%
8/25/2026 VIRGINIA RETIREMENT SYSTEMS ET Al28,450$2.32M0.0%N/A0.034%
8/24/2026 California State Teachers Retirement System6,666,961$543.82M0.0%+7,806.7%7.988%
8/21/2026 Nykredit A S3,225$263K0.0%N/A0.004%
8/20/2026 Moore Capital Management LP75,588$6.17M0.1%+69.1%0.091%
8/20/2026 Two Sigma Securities LLC2,883$235K0.0%N/A0.003%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC126,011$10.28M0.0%-0.7%0.151%
8/19/2026 Hsbc Holdings PLC131,389$10.76M0.0%-42.1%0.157%
8/19/2026 Wellington Management Group LLP4,128,273$336.74M0.1%+4.7%4.946%
8/18/2026 Palo Alto Investors LP918,846$74.95M0.0%N/A1.101%
8/18/2026 Empowered Funds LLC81,271$6.63M0.0%N/A0.097%
8/18/2026Jefferies Financial Group Inc.1,357,042$110.69M0.7%N/A1.626%
8/17/2026 Corient Private Wealth LP15,115$1.23M0.0%N/A0.018%
8/17/2026 Bank of America Corp DE1,452,277$118.46M0.0%N/A1.740%
8/15/2026 Freestone Grove Partners LP4,677$382K0.0%N/A0.006%
8/15/2026 Jupiter Topco LLC7,236,402$590.18M0.2%N/A8.671%
8/14/2026 Hsbc Holdings PLC131,389$10.76M0.0%N/A0.157%
8/14/2026 Canada Pension Plan Investment Board5,400$440K0.0%N/A0.006%
8/14/2026 Castleark Management LLC33,900$2.77M0.1%N/A0.041%
8/14/2026 Parkman Healthcare Partners LLC435,691$35.54M3.6%N/A0.522%
8/14/2026 Legal & General Group Plc352,734$28.77M0.0%N/A0.423%
8/14/2026 The Manufacturers Life Insurance Company441,957$36.05M0.0%N/A0.530%
8/13/2026 Sanctuary Advisors LLC4,519$369K0.0%N/A0.005%
8/13/2026 Globeflex Capital L P5,956$486K0.1%N/A0.007%
8/12/2026 Northwestern Mutual Wealth Management Co.1,487$121K0.0%N/A0.002%
8/12/2026 Quantbot Technologies LP1,369$112K0.0%N/A0.002%
8/12/2026 William Blair Investment Management LLC1,722,688$140.52M0.4%N/A2.064%
8/12/2026 Landscape Capital Management L.L.C.14,958$1.22M0.1%N/A0.018%
8/12/2026 Ieq Capital LLC19,611$1.60M0.0%N/A0.023%
8/11/2026 Allworth Financial LP818$67K0.0%N/A0.001%
8/11/2026 Virtus Advisers LLC5,148$420K0.2%N/A0.006%
8/11/2026 Vise Technologies Inc.8,560$698K0.0%N/A0.010%
8/11/2026 E Fund Management Co. Ltd.5,616$458K0.0%N/A0.007%
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%
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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%
6/12/2026 Defilade Capital Management L.P.376,165$25.63M3.6%N/A0.453%
5/22/2026 Segall Bryant & Hamill LLC195,380$13.31M0.2%+287.4%0.236%
5/19/2026 Bank of America Corp DE1,886,841$128.55M0.0%+31.8%2.275%
5/19/2026 Edgestream 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%
5/18/2026 Amundi4,500$307K0.0%N/A0.005%
5/18/2026 EverSource Wealth Advisors LLC1,045$71K0.0%+16.9%0.001%
5/18/2026 California State Teachers Retirement System84,320$5.75M0.0%+23.5%0.102%
5/18/2026 Royal Bank of Canada3,863$263K0.0%-38.1%0.005%
5/18/2026 Rock Springs Capital Management LP161,798$11.02M0.6%+161.5%0.195%
5/18/2026 Empowered Funds LLC57,906$3.95M0.0%-76.9%0.070%
5/16/2026 The Manufacturers Life Insurance Company425,240$28.97M0.0%-0.3%0.513%
5/16/2026 Quantinno Capital Management LP6,606$450K0.0%+6.0%0.008%
5/16/2026 Castleark Management LLC91,880$6.26M0.2%-5.1%0.111%
5/16/2026 Orbimed Advisors LLC49,100$3.35M0.1%+111.6%0.059%
5/14/2026 Renaissance Technologies LLC533,300$36.33M0.1%-12.2%0.643%
5/14/2026 Arrowstreet Capital Limited Partnership111,632$7.61M0.0%-72.5%0.135%
5/14/2026 Sei Investments Co.130,204$8.87M0.0%+41.4%0.157%
5/14/2026 State of Wyoming6,153$419K0.0%N/A0.007%
5/13/2026 Measured 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%
5/13/2026 First 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%
5/7/2026 WCM Investment Management LLC94,687$6.22M0.0%-14.1%0.114%
5/7/2026 Dimensional Fund Advisors LP890,715$60.67M0.0%+42.0%1.074%
5/7/2026 Swiss 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%
5/6/2026 Bessemer Group Inc.52,813$3.60M0.0%+21,814.1%0.064%
5/6/2026 Allspring 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%
5/5/2026 Illinois Municipal Retirement Fund42,421$2.89M0.0%-15.0%0.051%
5/5/2026 Sanctuary 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%
4/30/2026 Hsbc 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%
4/23/2026 Inspire Investing LLC7,559$515K0.0%+23.1%0.009%
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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%
4/20/2026 Ritholtz 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%
4/16/2026 Evolve Private Wealth LLC6,122$417K0.0%+5.2%0.007%
4/16/2026 BI 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%


PTCT Institutional Ownership - Frequently Asked Questions

During the previous two years, 356 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), Jupiter Topco LLC ($590.18M), California State Teachers Retirement System ($543.82M), Janus Henderson Group PLC ($490.00M), Wellington Management Group LLP ($336.74M), and State Street Corp ($319.50M).Learn more on PTC Therapeutics' institutional investors.

Of the 319 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), Jupiter Topco LLC ($7.24M), California State Teachers Retirement System ($6.60M), Janus Henderson Group PLC ($3.88M), Jefferies Financial Group Inc. ($3.02M), and Bank of America Corp DE ($1.91M).

Institutional investors have bought a total of 55,161,609 shares in the last 24 months. This purchase volume represents approximately $4.28B in transactions.

Of the 114 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 ($1.93M), Wellington Management Group LLP ($1.05M), Man Group plc ($655.33K), Assenagon Asset Management S.A. ($631.95K), Vanguard Group Inc. ($558.47K), and Pacer Advisors Inc. ($505.16K).

Institutional investors have sold a total of 15,208,454 shares in the last 24 months. This volume of shares sold represents approximately $1.02B 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 8/27/2026. New 13F filings are added each quarter as they're published.
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