Puma Biotechnology (PBYI) Institutional Ownership $5.25 +0.03 (+0.57%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$5.26 +0.01 (+0.29%) As of 08/22/2025 06:28 PM 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 Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Puma Biotechnology (NASDAQ:PBYI)CurrentInstitutional OwnershipPercentage61.29%Number ofInstitutional Buyers(last 12 months)81TotalInstitutional Inflows(last 12 months)$26.06MNumber ofInstitutional Sellers(last 12 months)24TotalInstitutional Outflows(last 12 months)$8.86M Get PBYI Insider Trade Alerts Want to know when executives and insiders are buying or selling Puma Biotechnology stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data PBYI Institutional Buying and Selling by Quarter Puma Biotechnology Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/16/2025 Evergreen Capital Management LLC96,000$329K0.0%N/A0.191% 8/15/2025 Bridgeway Capital Management LLC202,790$696K0.0%+150.0%0.403% 8/15/2025 Bank of America Corp DE67,242$231K0.0%-27.8%0.133% 8/15/2025 Acorn Capital Advisors LLC4,131,299$14.17M9.3%+4.9%8.202% 8/14/2025 Jane Street Group LLC39,448$135K0.0%N/A0.078% 8/14/2025 Sei Investments Co.347,234$1.19M0.0%+11.4%0.689% 8/14/2025 Qube Research & Technologies Ltd137,079$470K0.0%-10.4%0.272% 8/14/2025 Cerity Partners LLC10,528$36K0.0%N/A0.021% 8/13/2025 Marshall Wace LLP73,415$252K0.0%-66.1%0.146% 8/13/2025 Kennedy Capital Management LLC987,001$3.39M0.1%+8.3%1.960% Get the Latest News and Ratings for PBYI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Puma Biotechnology and its competitors with MarketBeat's FREE daily newsletter. 8/13/2025 Invesco Ltd.49,982$171K0.0%+32.8%0.099% 8/13/2025 Arrowstreet Capital Limited Partnership451,633$1.55M0.0%+25.9%0.897% 8/13/2025 Panagora Asset Management Inc.76,684$263K0.0%N/A0.152% 8/13/2025 Virtus Advisers LLC13,817$47K0.1%-75.1%0.027% 8/13/2025 State Board of Administration of Florida Retirement System71,727$246K0.0%N/A0.142% 8/12/2025 XTX Topco Ltd104,424$358K0.0%-16.7%0.207% 8/12/2025 Prudential Financial Inc.281,244$965K0.0%-8.7%0.558% 8/12/2025 American Century Companies Inc.1,342,275$4.60M0.0%+16.8%2.665% 8/12/2025 Rhumbline Advisers60,611$208K0.0%+58.3%0.120% 8/12/2025 Franklin Resources Inc.17,691$61K0.0%-77.4%0.035% 8/12/2025 Hillsdale Investment Management Inc.84,800$291K0.0%N/A0.168% 8/12/2025 JPMorgan Chase & Co.20,245$69K0.0%-58.1%0.040% 8/11/2025 LSV Asset Management535,740$1.84M0.0%+903.3%1.064% 8/8/2025 Intech Investment Management LLC20,823$71K0.0%-31.7%0.042% 8/8/2025 D Orazio & Associates Inc.15,027$52K0.0%N/A0.030% 8/8/2025 Geode Capital Management LLC971,674$3.33M0.0%+1.7%1.958% 8/7/2025 Connor Clark & Lunn Investment Management Ltd.900,256$3.09M0.0%+8.2%1.814% 8/7/2025 Los Angeles Capital Management LLC445,477$1.53M0.0%+9.5%0.898% 8/6/2025 Prospera Financial Services Inc191,244$656K0.0%+3.8%0.385% 8/6/2025 Metis Global Partners LLC55,798$191K0.0%+30.5%0.112% 8/6/2025 Savant Capital LLC12,971$44K0.0%N/A0.026% 7/30/2025 Ethic Inc.15,168$51K0.0%N/A0.031% 7/28/2025 Ritholtz Wealth Management196,985$676K0.0%N/A0.397% 7/25/2025 CWM LLC9,462$32K0.0%+214.1%0.019% 7/17/2025 C2C Wealth Management LLC20,620$71K0.1%+36.1%0.042% 7/16/2025 Kathmere Capital Management LLC20,204$69K0.0%N/A0.041% 7/14/2025 Kapitalo Investimentos Ltda70,269$241K0.1%N/A0.142% 6/27/2025 Goldman Sachs Group Inc.294,243$871K0.0%-6.3%0.593% 5/28/2025 Strs Ohio141,900$420K0.0%N/A0.286% 5/21/2025 Acadian Asset Management LLC2,008,146$5.94M0.0%+1.8%4.046% One stock to replace Nvidia (Ad)Investing Legend Hints the End May be Near for These 3 Iconic Stocks One company to replace Amazon… another to rival Tesla… and a third to upset Nvidia. These little-known stocks are poised to overtake the three reigning tech darlings in a move that could completely reorder the top dogs of the stock market. Eric Fry gives away names, tickers and full analysis in this first-ever free broadcast.Click to get the full details on Eric Fry's "Nvidia alternative" right here.5/16/2025 Goldman Sachs Group Inc.294,243$871K0.0%-6.3%0.593% 5/16/2025 Dynamic Technology Lab Private Ltd22,030$66K0.0%N/A0.044% 5/16/2025 Millennium Management LLC1,385,194$4.10M0.0%-26.9%2.791% 5/16/2025 AQR Capital Management LLC50,458$149K0.0%+366.5%0.102% 5/15/2025 Royal Bank of Canada85,999$254K0.0%+3.8%0.173% 5/14/2025 Causeway Capital Management LLC14,095$42K0.0%N/A0.028% 5/14/2025 Virtus Advisers LLC55,431$164K0.2%N/A0.112% 5/14/2025 MetLife Investment Management LLC27,121$80K0.0%N/A0.055% 5/14/2025 Walleye Capital LLC13,055$39K0.0%-66.4%0.026% 5/14/2025 Hsbc Holdings PLC20,509$61K0.0%N/A0.041% 5/13/2025 American Century Companies Inc.1,149,660$3.40M0.0%+21.2%2.316% 5/13/2025 Russell Investments Group Ltd.20,893$62K0.0%+104,365.0%0.042% 5/12/2025 Nuveen LLC79,101$234K0.0%N/A0.159% 5/12/2025 Virtu Financial LLC31,477$93K0.0%N/A0.063% 5/12/2025 Invesco Ltd.37,631$111K0.0%+88.9%0.076% 5/12/2025 Connor Clark & Lunn Investment Management Ltd.831,689$2.46M0.0%+70.6%1.676% 5/9/2025 Deutsche Bank AG30,743$91K0.0%N/A0.062% 5/8/2025 XTX Topco Ltd125,317$371K0.0%+110.0%0.252% 5/8/2025 Federated Hermes Inc.200,962$595K0.0%+22.8%0.405% 5/7/2025 Mackenzie Financial Corp157,713$467K0.0%+100.5%0.318% 5/6/2025 Universal Beteiligungs und Servicegesellschaft mbH39,308$116K0.0%N/A0.079% 5/2/2025 Bailard Inc.24,702$73K0.0%N/A0.050% 4/29/2025 Bank of New York Mellon Corp340,886$1.01M0.0%+2.7%0.687% 4/22/2025 PFG Investments LLC20,000$59K0.0%N/A0.040% 4/14/2025 Patriot Financial Group Insurance Agency LLC10,500$31K0.0%-52.3%0.021% 2/20/2025 Mackenzie Financial Corp78,653$240K0.0%N/A0.160% 2/17/2025 Squarepoint Ops LLC75,929$232K0.0%-23.5%0.155% 2/17/2025 Two Sigma Investments LP181,471$553K0.0%+266.2%0.370% 2/17/2025 Two Sigma Advisers LP196,900$601K0.0%+22.3%0.401% 2/17/2025 State of Wyoming20,426$62K0.0%-72.0%0.042% 2/17/2025 ProShare Advisors LLC11,853$36K0.0%N/A0.024% 2/17/2025Nuveen Asset Management LLC79,101$241K0.0%+41.4%0.161% 2/17/2025 Millennium Management LLC1,894,126$5.78M0.0%-34.3%3.858% 2/17/2025 Graham Capital Management L.P.10,732$33K0.0%N/A0.022% 2/17/2025 D. E. Shaw & Co. Inc.222,608$679K0.0%+287.9%0.453% 2/17/2025 Cubist Systematic Strategies LLC32,615$99K0.0%N/A0.066% 2/17/2025 Bank of America Corp DE82,339$251K0.0%+103.1%0.168% 2/17/2025 Bayesian Capital Management LP17,700$54K0.0%N/A0.036% 2/17/2025 BNP Paribas Financial Markets74,301$227K0.0%+9.7%0.151% 2/17/2025 Acorn Capital Advisors LLC2,450,711$7.48M4.1%N/A4.992% 2/14/2025 Jane Street Group LLC22,480$69K0.0%-30.0%0.046% 2/14/2025 Schonfeld Strategic Advisors LLC35,300$108K0.0%-70.1%0.072% 2/14/2025 Northern Trust Corp325,417$993K0.0%+2.4%0.663% 2/14/2025 Oxford Asset Management LLP23,484$72K0.0%N/A0.048% 2/14/2025 Price T Rowe Associates Inc. MD19,083$59K0.0%+42.9%0.039% 2/14/2025 Eversept Partners LP996,102$3.04M0.3%-23.0%2.029% 2/14/2025 Tower Research Capital LLC TRC10,137$31K0.0%+167.7%0.021% 2/14/2025 Dimensional Fund Advisors LP863,760$2.64M0.0%+24.7%1.760% 2/13/2025 Marshall Wace LLP85,580$261K0.0%N/A0.174% 2/13/2025 Walleye Capital LLC38,845$118K0.0%N/A0.079% One stock to replace Nvidia (Ad)Investing Legend Hints the End May be Near for These 3 Iconic Stocks One company to replace Amazon… another to rival Tesla… and a third to upset Nvidia. These little-known stocks are poised to overtake the three reigning tech darlings in a move that could completely reorder the top dogs of the stock market. Eric Fry gives away names, tickers and full analysis in this first-ever free broadcast.Click to get the full details on Eric Fry's "Nvidia alternative" right here.2/13/2025 XTX Topco Ltd59,674$182K0.0%+126.2%0.122% 2/13/2025 Barclays PLC88,407$270K0.0%+13.3%0.180% 2/13/2025 Kennedy Capital Management LLC809,375$2.47M0.1%+36.5%1.649% 2/13/2025 LSV Asset Management53,400$163K0.0%+75.7%0.109% 2/13/2025 Renaissance Technologies LLC1,755,513$5.35M0.0%-1.0%3.576% 2/13/2025 Wells Fargo & Company MN22,929$70K0.0%+36.5%0.047% 2/13/2025 Integrated Quantitative Investments LLC59,866$183K0.1%N/A0.122% 2/12/2025 O Shaughnessy Asset Management LLC112,571$343K0.0%+99.7%0.229% 2/12/2025 C2C Wealth Management LLC12,000$37K0.0%N/A0.024% 2/12/2025 JPMorgan Chase & Co.136,897$418K0.0%+182.3%0.279% (Data available from 1/1/2016 forward) PBYI Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of PBYI shares? During the previous two years, 107 institutional investors and hedge funds held shares of Puma Biotechnology. The most heavily invested institutionals were Vanguard Group Inc. ($18.50M), Acorn Capital Advisors LLC ($14.17M), Frazier Life Sciences Management L.P. ($9.98M), Athyrium Capital Management LP ($6.66M), Acadian Asset Management LLC ($5.94M), Renaissance Technologies LLC ($5.35M), and Great Point Partners LLC ($4.85M).Learn more on Puma Biotechnology's institutional investors. What percentage of Puma Biotechnology's stock is owned by institutional investors? 61.29% of Puma Biotechnology's stock is owned by institutional investors. Learn more on PBYI's institutional investor holdings. Which institutional investors have been buying Puma Biotechnology's stock? Of the 96 institutional investors that purchased Puma Biotechnology's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Acorn Capital Advisors LLC ($2.64M), Great Point Partners LLC ($1.24M), American Century Companies Inc. ($834.39K), Connor Clark & Lunn Investment Management Ltd. ($545.74K), LSV Asset Management ($505.34K), Los Angeles Capital Management LLC ($324.30K), and Kennedy Capital Management LLC ($292.21K). How much institutional buying is happening at Puma Biotechnology? Institutional investors have bought a total of 8,458,196 shares in the last 24 months. This purchase volume represents approximately $26.06M in transactions. Which of Puma Biotechnology's major shareholders have been selling company stock? Of the 24 institutional investors that sold Puma Biotechnology's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Millennium Management LLC ($1.50M), Eversept Partners LP ($297.16K), WINTON GROUP Ltd ($270.74K), Marshall Wace LLP ($143.00K), GSA Capital Partners LLP ($140.26K), Schonfeld Strategic Advisors LLC ($82.60K), and Franklin Resources Inc. ($60.48K). How much institutional selling is happening at Puma Biotechnology? Institutional investors have sold a total of 2,910,278 shares in the last 24 months. This volume of shares sold represents approximately $8.86M in transactions. 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