Notice: This company has been marked as potentially delisted and may not be actively trading. ARCA biopharma (ABIO) Institutional Ownership Add Compare Share Share Ownership Stock AnalysisDividendEarningsHeadlinesInsider TradesOwnershipTrends Institutional Ownership Changes (13F Filings) for ARCA biopharma (NASDAQ:ABIO)CurrentInstitutional OwnershipPercentage56.44%Number ofInstitutional Buyers(last 12 months)6TotalInstitutional Inflows(last 12 months)$11.13BNumber ofInstitutional Sellers(last 12 months)0 Get ABIO Insider Trade Alerts Want to know when executives and insiders are buying or selling ARCA biopharma 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 ABIO Institutional Buying and Selling by Quarter ARCA biopharma Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails9/16/2024 Cubist Systematic Strategies LLC27,779$106K0.0%N/A0.191% 8/16/2024 Perceptive Advisors LLC15,507,760$59.40M1.4%N/A106.898% 8/16/2024 Driehaus Capital Management LLC3,846,150$14.73M0.1%N/A26.512% 8/15/2024 Affinity Asset Advisors LLC72,484$278K0.0%N/A0.500% 8/14/2024 Cubist Systematic Strategies LLC27,779$106K0.0%N/A0.191% 8/9/2024 Renaissance Technologies LLC73,099$280K0.0%+11.3%0.504% 8/7/2024 Cowen AND Company LLC700,000$2.68M0.1%N/A4.825% 2/20/2024 Cable Car Capital LLC4,000,452$6.80M7.6%N/A27.589% 1/31/2024 abrdn plc32,461$55K0.0%N/A0.000% 11/14/2023 Newtyn Management LLC300,000$603K0.1%-4.2%0.000% Get the Latest News and Ratings for ABIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ARCA biopharma and its competitors with MarketBeat's FREE daily newsletter. 4/14/2023 BML Capital Management LLC706,930$1.41M1.2%-17.6%0.000% 2/13/2023 BML Capital Management LLC858,256$2.03M1.9%N/A5.956% 2/10/2023 Murchinson Ltd.50,593$120K0.0%N/A0.351% 11/7/2022 Virtu Financial LLC14,221$29K0.0%N/A0.099% 7/27/2022 Bailard Inc.35,000$87K0.0%N/A0.243% 4/26/2022 Marquette Asset Management LLC17,318$40K0.0%N/A0.120% 2/10/2022 Acadian Asset Management LLC57,822$123K0.0%N/A0.401% 11/15/2021 GSA Capital Partners LLP441,945$1.31M0.1%+238.9%3.067% 11/15/2021 Minerva Advisors LLC10,000$30K0.0%N/A0.069% 11/9/2021BlackRock Inc.268,394$795K0.0%-1.8%1.863% 8/16/2021 State Street Corp69,037$241K0.0%N/A0.479% 8/13/2021 Geode Capital Management LLC87,659$305K0.0%+10.7%0.608% 8/13/2021 Vanguard Group Inc.398,507$1.39M0.0%+189.8%2.765% 8/12/2021 XTX Topco Ltd10,846$38K0.0%N/A0.075% 8/5/2021 GSA Capital Partners LLP130,395$455K0.1%+39.8%0.905% 5/19/2021 Virtu Financial LLC16,655$61K0.0%-32.4%0.116% 5/17/2021 PDT Partners LLC17,297$63K0.0%N/A0.120% 5/12/2021 Geode Capital Management LLC79,151$288K0.0%+141.7%0.549% 5/10/2021 GSA Capital Partners LLP93,241$340K0.1%+102.3%0.647% 2/24/2021 Virtu Financial LLC24,641$99K0.0%N/A0.264% 2/10/2021 Renaissance Technologies LLC205,500$824K0.0%+436.4%2.205% 2/10/2021 Panagora Asset Management Inc.6,878$28K0.0%N/A0.074% 2/4/2021 GSA Capital Partners LLP46,097$185K0.0%N/A0.495% (Data available from 1/1/2016 forward) ABIO Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of ABIO shares? During the previous two years, 10 institutional investors and hedge funds held shares of ARCA biopharma. The most heavily invested institutionals were Perceptive Advisors LLC ($59.40M), Driehaus Capital Management LLC ($14.73M), Cable Car Capital LLC ($6.80M), Cowen AND Company LLC ($2.68M), BML Capital Management LLC ($1.41M), Newtyn Management LLC ($603K), and Renaissance Technologies LLC ($280K).Learn more on ABIO's institutional investors. What percentage of ARCA biopharma stock is owned by institutional investors? 56.44% of ARCA biopharma stock is owned by institutional investors. Learn more on ABIO's institutional investor holdings. Which institutional investors have been buying ARCA biopharma stock? The following institutional investors have purchased ARCA biopharma stock in the last 24 months: Perceptive Advisors LLC ($15.51M), Cable Car Capital LLC ($4.00M), Driehaus Capital Management LLC ($3.85M), Cowen AND Company LLC ($700K), Affinity Asset Advisors LLC ($72.48K), Cubist Systematic Strategies LLC ($55.56K), and abrdn plc ($32.46K). How much institutional buying is happening at ARCA biopharma? Institutional investors have bought a total of 24,222,265 shares in the last 24 months. This purchase volume represents approximately $12.12B in transactions. Which ARCA biopharma major shareholders have been selling company stock? The following institutional investors have sold ARCA biopharma stock in the last 24 months: BML Capital Management LLC ($151.33K), and Newtyn Management LLC ($13.20K). How much institutional selling is happening at ARCA biopharma? Institutional investors have sold a total of 164,526 shares in the last 24 months. This volume of shares sold represents approximately $47.18M in transactions. Related Companies Coherus BioSciences Major Shareholders Biomea Fusion Major Shareholders Black Diamond Therapeutics Major Shareholders Cabaletta Bio Major Shareholders 2seventy bio Major Shareholders Kyverna Therapeutics Major Shareholders Sagimet Biosciences Major Shareholders Inventiva Major Shareholders Renovaro Major Shareholders Telomir Pharmaceuticals Major Shareholders This page (NASDAQ:ABIO) was last updated on 2/22/2025 by MarketBeat.com Staff From Our PartnersWhat is this southern state hiding?The financial press had a field day this week after President Donald Trump and Department of Government Effici...Stansberry Research | SponsoredWhy Buffett and 100 members of Congress are Piling into this One InvestmentThis isn't just another investment. It might be the last retirement stock you'll ever need. 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