Castor Maritime (CTRM) Institutional Ownership $2.19 -0.01 (-0.45%) Closing price 08/22/2025 03:57 PM EasternExtended Trading$2.19 0.00 (0.00%) As of 08/22/2025 07:48 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 AnalysisChartCompetitorsEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Castor Maritime (NASDAQ:CTRM)CurrentInstitutional OwnershipPercentage1.08%Number ofInstitutional Buyers(last 12 months)3TotalInstitutional Inflows(last 12 months)$728.99KNumber ofInstitutional Sellers(last 12 months)0 Get CTRM Insider Trade Alerts Want to know when executives and insiders are buying or selling Castor Maritime stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data CTRM Institutional Buying and Selling by Quarter Castor Maritime 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.26,600$61K0.0%+20.8%0.275% 2/17/2025 Squarepoint Ops LLC28,373$78K0.0%+106.0%0.294% 2/5/2025 Towerview LLC240,000$660K0.5%+1,820.0%2.484% 11/6/2024 Towerview LLC12,500$53K0.0%N/A0.129% 8/9/2024 Renaissance Technologies LLC29,469$136K0.0%+39.9%0.305% 5/20/2024 Virtu Financial LLC16,381$56K0.0%-85.2%0.170% 2/14/2024 Privium Fund Management UK Ltd154,987$66K0.0%N/A0.164% 5/1/2023 Virtu Financial LLC51,980$41K0.0%-42.8%0.055% 1/20/2023Veriti Management LLC26,187$29K0.0%-60.0%0.029% 11/7/2022 Virtu Financial LLC36,240$41K0.0%-47.8%0.040% Get the Latest News and Ratings for CTRM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Castor Maritime and its competitors with MarketBeat's FREE daily newsletter. 10/27/2022Veriti Management LLC65,500$73K0.0%-17.6%0.073% 8/13/2022 Virtu Financial LLC69,370$93K0.0%-10.1%0.077% 7/18/2022Veriti Management LLC79,479$107K0.0%+18.9%0.088% 2/14/2022 Bayesian Capital Management LP27,000$38K0.0%N/A0.030% 11/16/2021 Squarepoint Ops LLC22,062$54K0.0%N/A0.025% 11/16/2021 Toroso Investments LLC33,322$81K0.0%N/A0.037% 11/12/2021 Renaissance Technologies LLC696,953$1.70M0.0%-59.7%0.775% 10/8/2021Veriti Management LLC66,009$161K0.0%N/A0.073% 8/25/2021 Marshall Wace LLP39,773$103K0.0%-84.5%0.044% 8/17/2021 Paloma Partners Management Co246,753$643K0.0%N/A0.274% 8/16/2021 Cubist Systematic Strategies LLC46,750$122K0.0%+83.3%0.052% 8/16/2021 Morgan Stanley1,549,890$4.04M0.0%+441.6%1.723% 8/16/2021 Marshall Wace LLP39,773$103K0.0%-84.5%0.044% 8/13/2021 Renaissance Technologies LLC1,731,245$4.51M0.0%-74.5%1.925% 8/13/2021 LPL Financial LLC18,910$49K0.0%N/A0.021% 8/13/2021 Qube Research & Technologies Ltd68,275$178K0.0%+173.2%0.076% 8/13/2021 Geode Capital Management LLC49,703$129K0.0%-89.2%0.055% 8/11/2021 Deutsche Bank AG201,810$526K0.0%N/A0.224% 8/2/2021 Advisor Group Holdings Inc.16,050$42K0.0%+66.1%0.018% (Data available from 1/1/2016 forward) CTRM Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of CTRM shares? During the previous two years, the following institutional investors and hedge funds held shares of Castor Maritime shares: Towerview LLC ($660K), Renaissance Technologies LLC ($136K), Squarepoint Ops LLC ($78K), Privium Fund Management UK Ltd ($66K), and Goldman Sachs Group Inc. ($61K), Virtu Financial LLC ($56K).Learn more on Castor Maritime's institutional investors. What percentage of Castor Maritime's stock is owned by institutional investors? 1.08% of Castor Maritime's stock is owned by institutional investors. Learn more on CTRM's institutional investor holdings. Which institutional investors have been buying Castor Maritime's stock? The following institutional investors have purchased Castor Maritime's stock in the last 24 months: Towerview LLC ($240K), Privium Fund Management UK Ltd ($154.99K), Squarepoint Ops LLC ($14.60K), Renaissance Technologies LLC ($8.40K), and Goldman Sachs Group Inc. ($4.59K). How much institutional buying is happening at Castor Maritime? Institutional investors have bought a total of 259,188 shares in the last 24 months. This purchase volume represents approximately $728.99K in transactions. Related Companies Yatra Online Institutional Ownership Intercont (Cayman) Institutional Ownership MingZhu Logistics Institutional Ownership Air T Institutional Ownership Toro Institutional Ownership Mesa Air Group Institutional Ownership ModivCare Institutional Ownership Pyxis Tankers Institutional Ownership Top Ships Institutional Ownership Performance Shipping Institutional Ownership This page (NASDAQ:CTRM) was last updated on 8/23/2025 by MarketBeat.com Staff From Our PartnersBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...Goldco Precious Metals | SponsoredAlex’s “Next Magnificent Seven” stocksThe original “Magnificent Seven” turned $7K into $1.18 million. 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