Astrotech (ASTC) Institutional Ownership $5.84 +0.01 (+0.09%) As of 02:34 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Astrotech (NASDAQ:ASTC)CurrentInstitutional OwnershipPercentage24.35%Number ofInstitutional Buyers(last 12 months)3TotalInstitutional Inflows(last 12 months)$149.02KNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$14.49K Get ASTC Insider Trade Alerts Want to know when executives and insiders are buying or selling Astrotech 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 ASTC Institutional Buying and Selling by Quarter Astrotech Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/19/2025 SCS Capital Management LLC11,761$76K0.0%N/A0.691% 2/17/2025 Citadel Advisors LLC24,014$161K0.0%+62.7%1.413% 2/14/2025 Dimensional Fund Advisors LP11,930$80K0.0%+15.3%0.702% 10/8/2024 Marquette Asset Management LLC8,891$71K0.0%-16.9%0.522% 2/2/2024 Acuitas Investments LLC62,570$531K0.3%+18.2%3.681% 11/13/2023 Clear Street Markets LLC3,900$39K0.0%-35.6%0.229% 10/27/2023 Acuitas Investments LLC52,947$534K0.3%+22.3%3.152% 7/28/2023 Marquette Asset Management LLC10,704$152K0.0%-23.3%0.637% 5/4/2023Edge Capital Group LLC11,000$117K0.0%N/A0.650% 5/1/2023 Marquette Asset Management LLC13,953$149K0.0%+48.6%0.826% Get the Latest News and Ratings for ASTC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Astrotech and its competitors with MarketBeat's FREE daily newsletter. 2/13/2023 BML Capital Management LLC220,410$2.20M2.1%N/A13.073% 1/12/2023 Marquette Asset Management LLC9,388$94K0.0%-97.8%0.557% 10/6/2022 Marquette Asset Management LLC419,854$186K0.1%+14.1%0.829% 7/15/2022 Marquette Asset Management LLC367,864$158K0.0%+33.0%0.728% 4/26/2022 Marquette Asset Management LLC276,681$199K0.0%N/A0.558% 11/16/2021 Two Sigma Securities LLC59,013$62K0.0%N/A0.119% 11/9/2021BlackRock Inc.730,099$767K0.0%-2.6%1.476% 10/12/2021 Marquette Asset Management LLC137,096$144K0.0%N/A0.277% 8/19/2021 Bradley Foster & Sargent Inc. CT82,201$109K0.0%-76.7%0.166% 8/16/2021 State Street Corp153,361$204K0.0%N/A0.310% 8/13/2021 Geode Capital Management LLC284,449$378K0.0%+43.7%0.575% 8/13/2021 Vanguard Group Inc.1,577,595$2.10M0.0%+178.1%3.188% 5/21/2021 Citadel Advisors LLC43,080$94K0.0%N/A0.175% 5/19/2021 Squarepoint Ops LLC11,925$26K0.0%N/A0.048% 5/18/2021 Citadel Advisors LLC43,080$94K0.0%N/A0.175% 5/12/2021 Geode Capital Management LLC197,932$433K0.0%+79.5%0.804% 5/7/2021BlackRock Inc.759,080$1.66M0.0%+296.1%3.084% (Data available from 1/1/2016 forward) ASTC Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of ASTC shares? During the previous two years, the following institutional investors and hedge funds held shares of Astrotech shares: Acuitas Investments LLC ($531K), Citadel Advisors LLC ($161K), Dimensional Fund Advisors LP ($80K), SCS Capital Management LLC ($76K), and Marquette Asset Management LLC ($71K), Clear Street Markets LLC ($39K).Learn more on ASTC's institutional investors. What percentage of Astrotech stock is owned by institutional investors? 24.35% of Astrotech stock is owned by institutional investors. Learn more on ASTC's institutional investor holdings. Which institutional investors have been buying Astrotech stock? The following institutional investors have purchased Astrotech stock in the last 24 months: Acuitas Investments LLC ($19.26K), SCS Capital Management LLC ($11.76K), Citadel Advisors LLC ($9.26K), and Dimensional Fund Advisors LP ($1.58K). How much institutional buying is happening at Astrotech? Institutional investors have bought a total of 41,857 shares in the last 24 months. This purchase volume represents approximately $328.07K in transactions. Which Astrotech major shareholders have been selling company stock? The following institutional investors have sold Astrotech stock in the last 24 months: Marquette Asset Management LLC ($5.06K), and Clear Street Markets LLC ($2.16K). How much institutional selling is happening at Astrotech? Institutional investors have sold a total of 7,221 shares in the last 24 months. This volume of shares sold represents approximately $82.30K in transactions. 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