PTC THERAPEUTICS INC (PTCT) Institutional Ownership Changes & 13F Activity

PTC THERAPEUTICS INC (PTCT). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Armistice Capital, Llc, Invesco Ltd., Toronto Dominion Bank, Blue Sparrow, Llc, and Price T Rowe Associates Inc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheBuy+16,717+3.9%441,957$36.05MQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustBuy+2+2.7%76$6.20KQ2 2026Sep 04, 2026
Citadel Advisors LlcBuy+362,623+94.1%747,822$61.00MQ2 2026Sep 02, 2026
Allianz Asset Management GmbhBuy+223,702+3023.0%231,102$18.85MQ2 2026Sep 02, 2026
Corient Private Wealth LlcBuy+15,09515,095$1.23MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-2,587-3.1%81,733$6.67MQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Sell-54,498-88.8%6,899$562.75KQ2 2026Aug 21, 2026
Mercer Global Advisors IncSell-18,767-37.3%31,590$2.58MQ2 2026Aug 19, 2026
Palo Alto Investors LpSell-2,761-0.3%918,846$74.95MQ2 2026Aug 19, 2026
Fulcrum Asset Management LlpBuy+1,2741,274$103.92KQ2 2026Aug 18, 2026
Empowered Funds, LlcBuy+23,365+40.3%81,271$6.63MQ2 2026Aug 17, 2026
Capstone Investment Advisors, LlcBuy+5,8815,881$479.71KQ2 2026Aug 17, 2026
Jefferies Financial Group Inc.Buy+2,583+0.2%1,357,042$110.69MQ2 2026Aug 17, 2026
Armistice Capital, LlcSell-1,003,054-48.4%1,071,395$87.39MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+941,581941,581$76.80MQ2 2026Aug 14, 2026
Toronto Dominion BankSell-860,117-28.4%2,165,846$176.67MQ2 2026Aug 14, 2026
Blue Sparrow, LlcBuy+860,100+451.3%1,050,700$85.71MQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+639,368+134.6%1,114,516$90.91MQ2 2026Aug 14, 2026
Balyasny Asset Management L.P.Sell-439,959-95.5%20,605$1.68MQ2 2026Aug 14, 2026
Bank Of America CorpSell-434,564-23.0%1,452,277$118.46MQ2 2026Aug 14, 2026
Driehaus Capital Management LlcBuy+424,335+41.8%1,440,107$117.47MQ2 2026Aug 14, 2026
Goldman Sachs Group IncSell-209,384-25.3%618,247$50.43MQ2 2026Aug 14, 2026
Qube Research & Technologies LtdSell-202,449-39.4%311,374$25.40MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpBuy+187,724+90.3%395,662$32.27MQ2 2026Aug 14, 2026
Wellington Management Group LlpBuy+185,663+4.7%4,128,273$336.74MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+171,874171,874$14.02MQ2 2026Aug 14, 2026
Schonfeld Strategic Advisors LlcSell-170,980-53.7%147,425$12.03MQ2 2026Aug 14, 2026
Hudson Bay Capital Management LpBuy+156,108+4253.6%159,778$13.03MQ2 2026Aug 14, 2026
Longaeva Partners L.P.Buy+111,803111,803$9.12MQ2 2026Aug 14, 2026
Loomis Sayles & Co L PBuy+96,771+19.6%590,374$48.16MQ2 2026Aug 14, 2026
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Frequently asked questions about PTCT activity

  • Which institutional owners are buying PTCT?

    Institutional owners buying PTCT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in PTCT activity?

    "Buy" means an investor increased their reported position in PTCT compared to the prior reporting period. This reflects growing exposure to PTC THERAPEUTICS INC (PTCT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in PTCT increasing?

    Institutional interest in PTCT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.