GT Biopharma (GTBP) Institutional Ownership $1.07 -0.01 (-0.93%) Closing price 08/21/2025 04:00 PM EasternExtended Trading$1.05 -0.02 (-1.50%) As of 04:08 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 Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for GT Biopharma (NASDAQ:GTBP)CurrentInstitutional OwnershipPercentage8.15%Number ofInstitutional Buyers(last 12 months)1TotalInstitutional Inflows(last 12 months)$278.81KNumber ofInstitutional Sellers(last 12 months)0 Get GTBP Insider Trade Alerts Want to know when executives and insiders are buying or selling GT Biopharma stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data GTBP Institutional Buying and Selling by Quarter GT Biopharma Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/5/2025 Bank of Montreal Can92,530$331K0.0%+531.6%2.830% 8/8/2024 DekaBank Deutsche Girozentrale978,358$2.77M0.0%-10.5%69.044% 6/4/2024 DekaBank Deutsche Girozentrale1,093,645$47.45M0.1%N/A77.017% 8/2/2023 Bank of Montreal Can596,240$262K0.0%N/A1.596% 1/23/2023 Baskin Financial Services Inc.151,354$134K0.0%N/A0.466% 11/7/2022 Virtu Financial LLC24,864$44K0.0%N/A0.076% 5/5/2022 Russell Investments Group Ltd.11,007$31K0.0%N/A0.033% 5/2/2022 Allspring Global Investments Holdings LLC25,782$74K0.0%N/A0.078% 4/20/2022 Sigma Planning Corp21,400$62K0.0%N/A0.067% 2/14/2022 Gordian Capital Singapore Pte Ltd35,000$107K0.1%N/A0.114% Get the Latest News and Ratings for GTBP and Related StocksEnter your email address below to receive the latest news and analysts' ratings for GT Biopharma and its competitors with MarketBeat's FREE daily newsletter. 2/9/2022 Compagnie Lombard Odier SCmA30,000$92K0.0%+100.0%0.098% 2/4/2022 Crumly & Associates Inc.32,163$85K0.0%N/A0.105% 2/3/2022 Brighton Jones LLC11,288$34K0.0%N/A0.037% 1/31/2022 Commonwealth Equity Services LLC11,052$33K0.0%N/A0.036% 11/16/2021 Two Sigma Advisers LP51,100$344K0.0%+243.0%0.242% 11/16/2021 Two Sigma Investments LP162,823$1.10M0.0%N/A0.771% 11/15/2021 Marshall Wace LLP16,577$112K0.0%-35.7%0.078% 11/15/2021 Franklin Resources Inc.28,500$192K0.0%N/A0.135% 11/12/2021 Renaissance Technologies LLC84,700$571K0.0%N/A0.401% 11/12/2021 Geode Capital Management LLC424,279$2.86M0.0%+22.4%2.008% 11/10/2021 Goldman Sachs Group Inc.52,426$353K0.0%N/A0.248% 11/9/2021BlackRock Inc.1,155,228$7.79M0.0%-18.3%5.468% 11/8/2021 State Board of Administration of Florida Retirement System18,224$123K0.0%N/A0.086% 11/8/2021 Russell Investments Group Ltd.9,642$64K0.0%N/A0.046% 11/5/2021 Welch Group LLC10,000$67K0.0%N/A0.047% 11/4/2021 Deutsche Bank AG11,400$77K0.0%-25.7%0.054% 11/2/2021 New York State Common Retirement Fund8,230$55K0.0%-59.7%0.039% 8/25/2021 Marshall Wace LLP25,792$400K0.0%N/A0.122% 8/17/2021 Metropolitan Life Insurance Co NY8,782$136K0.0%N/A0.042% 8/17/2021 MetLife Investment Management LLC11,471$178K0.0%N/A0.054% 8/17/2021 Citadel Advisors LLC510,058$7.91M0.0%N/A2.414% 8/16/2021 California State Teachers Retirement System32,878$510K0.0%N/A0.156% 8/16/2021 Charles Schwab Investment Management Inc.57,993$899K0.0%N/A0.274% 8/16/2021 State Street Corp374,704$5.81M0.0%N/A1.773% 8/16/2021Nuveen Asset Management LLC82,151$1.27M0.0%N/A0.389% 8/16/2021 Marshall Wace LLP25,792$400K0.0%N/A0.122% 8/13/2021 Northern Trust Corp225,457$3.50M0.0%+555.6%1.067% 8/13/2021 Geode Capital Management LLC346,606$5.37M0.0%+165.8%1.641% 8/13/2021 Vanguard Group Inc.982,269$15.23M0.0%+267.0%4.649% 8/12/2021 Legal & General Group Plc2,524$39K0.0%N/A0.012% One tiny company just cracked Google’s $19B problem (Ad)Google’s AI-powered search could cost $20 billion a year in electricity—nearly half its profits. But new research from Northwestern shows a breakthrough material can cut chip energy use by up to 99%, saving Google an estimated $19 billion annually. Only one small U.S. company produces this material—just 30 metric tons a year from its Texas facility—and it could be the most important upgrade in AI history.Click here to see the sub-$20 stock behind this breakthrough.8/12/2021 JPMorgan Chase & Co.9,155$142K0.0%N/A0.043% 8/12/2021 The Manufacturers Life Insurance Company13,758$213K0.0%N/A0.065% 8/11/2021 Bank of New York Mellon Corp58,711$910K0.0%N/A0.278% 8/11/2021BlackRock Inc.1,413,391$21.91M0.0%N/A6.690% 8/11/2021 Deutsche Bank AG15,349$237K0.0%N/A0.073% 8/10/2021 Citigroup Inc.6,134$95K0.0%N/A0.029% 8/6/2021 Ameritas Investment Partners Inc.1,870$29K0.0%N/A0.009% 8/5/2021 Rhumbline Advisers18,634$289K0.0%N/A0.088% 8/2/2021 New York State Common Retirement Fund20,400$316K0.0%N/A0.097% 8/2/2021 Advisor Group Holdings Inc.2,943$45K0.0%+108.3%0.014% 5/18/2021 Millennium Management LLC27,895$191K0.0%N/A0.098% 5/17/2021 Royal Bank of Canada24,542$167K0.0%N/A0.086% (Data available from 1/1/2016 forward) GTBP Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of GTBP shares? During the previous two years, the following institutional investors and hedge funds held shares of GT Biopharma shares: DekaBank Deutsche Girozentrale ($2.77M), Bank of Montreal Can ($331K).Learn more on GT Biopharma's institutional investors. What percentage of GT Biopharma's stock is owned by institutional investors? 8.15% of GT Biopharma's stock is owned by institutional investors. Learn more on GTBP's institutional investor holdings. Which institutional investors have been buying GT Biopharma's stock? The following institutional investors have purchased GT Biopharma's stock in the last 24 months: DekaBank Deutsche Girozentrale ($1.09M), and Bank of Montreal Can ($77.88K). How much institutional buying is happening at GT Biopharma? Institutional investors have bought a total of 77,879 shares in the last 24 months. This purchase volume represents approximately $278.81K in transactions. 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