Actinium Pharmaceuticals (ATNM) Institutional Ownership $1.60 -0.05 (-3.03%) Closing price 04:00 PM EasternExtended Trading$1.60 0.00 (-0.06%) As of 04:10 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 ForecastsChartCompetitorsEarningsHeadlinesOptions ChainOwnershipSEC FilingsTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Actinium Pharmaceuticals (NYSE:ATNM)CurrentInstitutional OwnershipPercentage27.50%Number ofInstitutional Buyers(last 12 months)27TotalInstitutional Inflows(last 12 months)$2.70MNumber ofInstitutional Sellers(last 12 months)8TotalInstitutional Outflows(last 12 months)$410.05K Get ATNM Insider Trade Alerts Want to know when executives and insiders are buying or selling Actinium Pharmaceuticals stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data ATNM Institutional Buying and Selling by Quarter Actinium Pharmaceuticals Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/16/2025 Goldman Sachs Group Inc.76,811$124K0.0%-43.2%0.246% 5/16/2025 AQR Capital Management LLC63,249$102K0.0%+278.6%0.203% 5/13/2025 Callan Family Office LLC23,603$38K0.0%N/A0.076% 5/12/2025 Nuveen LLC148,560$239K0.0%N/A0.476% 5/12/2025 Invesco Ltd.153,555$247K0.0%+1,135.9%0.492% 5/9/2025 Gagnon Securities LLC226,622$365K0.1%N/A0.726% 5/9/2025 Charles Schwab Investment Management Inc.97,604$157K0.0%+35.4%0.313% 5/7/2025 AM Investment Strategies LLC30,872$50K0.0%+114.1%0.099% 4/23/2025 Creative Financial Designs Inc. ADV105,631$170K0.0%+16.1%0.339% 2/17/2025 Squarepoint Ops LLC183,262$231K0.0%+25.4%0.587% Get the Latest News and Ratings for ATNM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Actinium Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 2/17/2025Nuveen Asset Management LLC148,560$187K0.0%+49.5%0.476% 2/17/2025 Millennium Management LLC117,454$148K0.0%-26.6%0.376% 2/17/2025 Deutsche Bank AG123,134$155K0.0%+413.6%0.395% 2/17/2025 Bank of America Corp DE78,767$99K0.0%+76.6%0.252% 2/14/2025 Northern Trust Corp251,930$317K0.0%+4.9%0.807% 2/14/2025 Dimensional Fund Advisors LP34,923$44K0.0%-31.9%0.112% 2/13/2025 XTX Topco Ltd25,606$32K0.0%-82.0%0.082% 2/13/2025 Renaissance Technologies LLC190,400$240K0.0%+49.9%0.610% 2/12/2025 JPMorgan Chase & Co.123,831$156K0.0%+804.5%0.397% 2/11/2025 Sei Investments Co.49,214$62K0.0%N/A0.158% 2/10/2025 Creative Financial Designs Inc. ADV91,007$115K0.0%+42.7%0.292% 2/4/2025 Los Angeles Capital Management LLC213,950$270K0.0%+25.0%0.686% 1/30/2025 Vontobel Holding Ltd.25,000$32K0.0%N/A0.080% 11/20/2024 Virtu Financial LLC13,748$26K0.0%-34.4%0.044% 11/19/2024 Barclays PLC42,935$81K0.0%+323.0%0.138% 11/16/2024 Geode Capital Management LLC686,153$1.29M0.0%+3.0%2.199% 11/15/2024 Barclays PLC42,935$81K0.0%+323.0%0.138% 11/15/2024 XTX Topco Ltd142,493$268K0.0%N/A0.457% 11/15/2024 Jane Street Group LLC40,837$77K0.0%-37.4%0.131% 11/15/2024 Wellington Management Group LLP59,608$112K0.0%N/A0.191% 11/15/2024 State Street Corp602,649$1.13M0.0%-1.2%1.932% 11/12/2024 Charles Schwab Investment Management Inc.72,093$136K0.0%-13.7%0.231% 11/4/2024 Los Angeles Capital Management LLC171,180$322K0.0%N/A0.575% 10/28/2024 Interchange Capital Partners LLC19,646$37K0.0%N/A0.066% 10/28/2024 Creative Financial Designs Inc. ADV63,785$120K0.0%+183.0%0.214% 8/15/2024 The Manufacturers Life Insurance Company12,488$92K0.0%N/A0.042% 8/14/2024 Squarepoint Ops LLC48,096$356K0.0%N/A0.161% 8/14/2024 Marshall Wace LLP256,026$1.90M0.0%+67.9%0.860% 8/9/2024 Renaissance Technologies LLC19,200$142K0.0%N/A0.064% 8/9/2024 Dimensional Fund Advisors LP111,869$828K0.0%-22.6%0.376% F1 Engineering Powers This Electric Marine Motor (Ad)The future of marine propulsion has arrived - powered by F-1 grade engineering. In collaboration with McLaren Engineering, a NASDAQ-listed marine tech company unveiled a groundbreaking new electric powertrain set to transform the industry.How one NASDAQ-listed disruptor is bringing the world's most powerful electric marine powertrain to 8/1/2024 Rhumbline Advisers39,656$293K0.0%+23.4%0.133% 7/26/2024 Bank of New York Mellon Corp86,401$639K0.0%+28.3%0.290% 5/20/2024 Virtu Financial LLC82,029$642K0.0%+319.2%0.275% 5/10/2024 Vanguard Group Inc.1,446,326$11.33M0.0%+6.0%4.857% 4/11/2024 Sanders Morris Harris LLC10,000$78K0.0%N/A0.034% 2/13/2024 Intrepid Financial Planning Group LLC16,000$81K0.0%-11.1%0.058% 1/10/2024 Creative Financial Designs Inc. ADV19,800$101K0.0%+19.1%0.072% 11/13/2023 Brandywine Global Investment Management LLC174,500$1.03M0.0%N/A0.637% 9/21/2023 Barclays PLC5,185$39K0.0%-90.7%0.019% 8/11/2023 ExodusPoint Capital Management LP57,934$430K0.0%-3.9%0.225% 8/4/2023 American International Group Inc.12,520$93K0.0%N/A0.049% 7/26/2023 Creative Financial Designs Inc. ADV16,475$122K0.0%+9.8%0.064% 7/10/2023 Quent Capital LLC5,000$37K0.0%N/A0.019% 5/23/2023 Royce & Associates LP50,000$472K0.0%N/A0.194% 5/11/2023 ExodusPoint Capital Management LP60,277$570K0.0%+30.1%0.234% 5/4/2023 Barclays PLC55,662$526K0.0%N/A0.216% 5/4/2023 Royce & Associates LP50,000$473K0.0%N/A0.194% 5/3/2023 Jump Financial LLC13,092$124K0.0%-44.8%0.051% 5/1/2023 Virtu Financial LLC21,650$205K0.0%-19.4%0.084% 4/25/2023 Creative Financial Designs Inc. ADV15,000$142K0.0%N/A0.058% 2/15/2023Endurant Capital Management LP45,612$486K0.2%N/A0.179% 2/14/2023 683 Capital Management LLC16,629$177K0.0%N/A0.065% 2/10/2023 Blair William & Co. IL89,400$952K0.0%-14.0%0.351% 2/9/2023 Citigroup Inc.49,152$523K0.0%+544.3%0.193% 11/16/2022 Sentinus LLC22,500$166K0.1%N/A0.089% 11/14/2022Delphia USA Inc.14,226$105K0.1%-19.5%0.056% 11/7/2022 Virtu Financial LLC12,590$93K0.0%-64.8%0.050% 11/7/2022 Jump Financial LLC23,400$173K0.0%N/A0.093% 11/2/2022 Rockefeller Capital Management L.P.14,331$105K0.0%+11.3%0.057% 8/16/2022 Corton Capital Inc.16,285$78K0.1%N/A0.068% 8/16/2022Delphia USA Inc.17,669$85K0.1%N/A0.074% 8/13/2022 Virtu Financial LLC35,789$172K0.0%+154.0%0.150% 5/11/2022ACT Capital Management LLC6,500$33K0.0%-82.7%0.029% 2/14/2022 Blair William & Co. IL86,866$522K0.0%+5.5%0.394% 2/14/2022 GSA Capital Partners LLP56,673$341K0.0%-16.9%0.257% 11/16/2021ACT Capital L.L.C.37,500$332K0.2%N/A0.170% 11/15/2021 Marshall Wace LLP22,469$199K0.0%N/A0.102% 11/15/2021 Wealthspire Advisors LLC14,348$127K0.0%N/A0.065% 11/15/2021 GSA Capital Partners LLP68,205$604K0.1%+44.8%0.310% 11/15/2021 Interchange Capital Partners LLC16,420$145K0.2%+43.8%0.075% 11/12/2021 Rockefeller Capital Management L.P.8,381$74K0.0%+21.8%0.038% 11/12/2021 Geode Capital Management LLC167,172$1.48M0.0%+9.5%0.759% 11/12/2021 Bank Julius Baer & Co. Ltd Zurich8,833$78K0.0%+132.9%0.040% 11/9/2021BlackRock Inc.219,243$1.94M0.0%-1.5%0.995% 8/17/2021 Bridgeway Capital Management LLC99,166$784K0.0%+17.5%0.465% 8/16/2021 First Trust Advisors LP51,273$406K0.0%+43.5%0.240% 8/16/2021 Morgan Stanley21,489$170K0.0%+368.3%0.101% 8/16/2021 State Street Corp55,292$437K0.0%N/A0.259% 8/13/2021 Northern Trust Corp38,052$301K0.0%+40.4%0.178% 8/13/2021 Geode Capital Management LLC152,678$1.21M0.0%+53.0%0.716% F1 Engineering Powers This Electric Marine Motor (Ad)The future of marine propulsion has arrived - powered by F-1 grade engineering. In collaboration with McLaren Engineering, a NASDAQ-listed marine tech company unveiled a groundbreaking new electric powertrain set to transform the industry.How one NASDAQ-listed disruptor is bringing the world's most powerful electric marine powertrain to 8/13/2021 Vanguard Group Inc.819,642$6.48M0.0%+43.2%3.842% 8/12/2021 Blair William & Co. IL51,466$407K0.0%+48.0%0.241% 8/5/2021 GSA Capital Partners LLP47,097$373K0.0%+20.7%0.221% 8/2/2021 Pinnacle Associates Ltd.34,333$272K0.0%N/A0.170% 7/31/2021Goodwin Daniel L10,000$80K0.0%-50.0%0.050% 5/18/2021 Silverarc Capital Management LLC45,910$350K0.2%-49.0%0.239% 5/13/2021 Bank of New York Mellon Corp50,793$387K0.0%-8.8%0.264% 5/13/2021 Blair William & Co. IL34,766$265K0.0%N/A0.181% 5/11/2021 Rockefeller Capital Management L.P.6,881$52K0.0%+82.0%0.036% 5/10/2021 GSA Capital Partners LLP39,006$297K0.0%N/A0.203% (Data available from 1/1/2016 forward) ATNM Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of ATNM shares? During the previous two years, 40 institutional investors and hedge funds held shares of Actinium Pharmaceuticals. The most heavily invested institutionals were Vanguard Group Inc. ($11.33M), Marshall Wace LLP ($1.90M), Geode Capital Management LLC ($1.29M), State Street Corp ($1.13M), Brandywine Global Investment Management LLC ($1.03M), Bank of New York Mellon Corp ($639K), and ExodusPoint Capital Management LP ($430K).Learn more on ATNM's institutional investors. What percentage of Actinium Pharmaceuticals stock is owned by institutional investors? 27.50% of Actinium Pharmaceuticals stock is owned by institutional investors. Learn more on ATNM's institutional investor holdings. Which institutional investors have been buying Actinium Pharmaceuticals stock? Of the 33 institutional investors that purchased Actinium Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Gagnon Securities LLC ($226.62K), Los Angeles Capital Management LLC ($213.95K), Brandywine Global Investment Management LLC ($174.50K), Nuveen LLC ($148.56K), XTX Topco Ltd ($142.49K), Invesco Ltd. ($141.13K), and JPMorgan Chase & Co. ($110.14K). How much institutional buying is happening at Actinium Pharmaceuticals? Institutional investors have bought a total of 2,273,042 shares in the last 24 months. This purchase volume represents approximately $2.70M in transactions. Which Actinium Pharmaceuticals major shareholders have been selling company stock? Of the 11 institutional investors that sold Actinium Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: XTX Topco Ltd ($116.89K), Goldman Sachs Group Inc. ($58.49K), Barclays PLC ($50.48K), Dimensional Fund Advisors LP ($48.96K), Millennium Management LLC ($42.67K), Jane Street Group LLC ($24.39K), and Charles Schwab Investment Management Inc. ($11.48K). How much institutional selling is happening at Actinium Pharmaceuticals? Institutional investors have sold a total of 371,940 shares in the last 24 months. This volume of shares sold represents approximately $410.05K in transactions. Related Companies Bright Minds Biosciences Major Shareholders Aerovate Therapeutics Major Shareholders Actuate Therapeutics Major Shareholders Cardiff Oncology Major Shareholders biote Major Shareholders Tango Therapeutics Major Shareholders Innate Pharma Major Shareholders Y-mAbs Therapeutics Major Shareholders UroGen Pharma Major Shareholders SOPHiA GENETICS Major Shareholders This page (NYSE:ATNM) was last updated on 5/28/2025 by MarketBeat.com Staff From Our PartnersJuly 2025 Rule Change to Impact Retirement InvestorsThere's a massive change from a new rule going into effect this July. And it's one the Big Banks are alread...Premier Gold Co | SponsoredF1 Engineering Powers This Electric Marine MotorThe future of marine propulsion has arrived - powered by F-1 grade engineering. 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