System1 (SST) Institutional Ownership $7.08 -0.33 (-4.44%) Closing price 08/29/2025 03:58 PM EasternExtended Trading$7.05 -0.04 (-0.49%) As of 08/29/2025 04:49 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for System1 (NYSE:SST)CurrentInstitutional OwnershipPercentage87.50%Number ofInstitutional Buyers(last 12 months)8TotalInstitutional Inflows(last 12 months)$4.99MNumber ofInstitutional Sellers(last 12 months)7TotalInstitutional Outflows(last 12 months)$153.34M Get SST Insider Trade Alerts Want to know when executives and insiders are buying or selling System1 stock? 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Skip Chart & View Institutional Buying and Selling Data SST Institutional Buying and Selling by Quarter System1 Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/15/2025 BNP Paribas Financial Markets4,511$25K0.0%+125.8%0.046% 8/15/2025 Bank of America Corp DE174,289$964K0.0%-89.4%1.764% 8/14/2025 Jane Street Group LLC31,681$175K0.0%-9.2%0.321% 8/14/2025 Cerity Partners LLC109,286$604K0.0%-90.3%1.106% 8/8/2025 Geode Capital Management LLC21,530$119K0.0%-95.5%0.218% 7/10/2025 Cannae Holdings Inc.2,701,279$14.94M1.8%-90.0%27.341% 2/17/2025 Deutsche Bank AG146,110$131K0.0%+383.2%0.159% 2/17/2025 Ancora Advisors LLC194,330$175K0.0%N/A0.211% 2/12/2025 JPMorgan Chase & Co.88,544$80K0.0%+160.5%0.096% 2/11/2025 Prudential Financial Inc.49,910$45K0.0%N/A0.054% Get the Latest News and Ratings for SST and Related StocksEnter your email address below to receive the latest news and analysts' ratings for System1 and its competitors with MarketBeat's FREE daily newsletter. 1/30/2025 Rhumbline Advisers57,185$51K0.0%-28.4%0.062% 12/26/2024 JPMorgan Chase & Co.33,993$38K0.0%+215.7%0.037% 11/19/2024 Barclays PLC38,866$44K0.0%+56.1%0.042% 11/16/2024 Geode Capital Management LLC473,732$531K0.0%+3.6%0.522% 11/15/2024 Barclays PLC38,866$44K0.0%+56.1%0.043% 11/15/2024 Jane Street Group LLC103,589$116K0.0%+74.3%0.114% 11/12/2024 Charles Schwab Investment Management Inc.54,967$62K0.0%-54.8%0.061% 8/12/2024 XTX Topco Ltd24,160$37K0.0%N/A0.027% 8/9/2024 Renaissance Technologies LLC57,900$88K0.0%+126.2%0.064% 5/9/2024 Pacific Ridge Capital Partners LLC185,671$364K0.1%-20.6%0.207% 1/30/2024 Arbor Trust Wealth Advisors LLC20,950$47K0.0%+91.3%0.022% 11/7/2023 Cannae Holdings Inc.27,012,794$32.69M2.2%-0.4%28.857% 10/26/2023 Brighton Jones LLC218,104$264K0.0%-7.3%0.233% 9/21/2023 Barclays PLC11,564$52K0.0%N/A0.012% 8/4/2023 American International Group Inc.11,924$54K0.0%N/A0.013% 7/31/2023 Brighton Jones LLC235,391$1.06M0.1%N/A0.251% 5/3/2023 Cannae Holdings Inc.27,122,795$116.63M6.0%+6.8%29.657% 4/17/2023 Ronald Blue Trust Inc.35,514$167K0.0%N/A0.039% 2/14/2023 Pacific Ridge Capital Partners LLC233,270$1.09M0.3%+59.8%0.255% 11/15/2022 Twinbeech Capital LP73,083$460K0.0%N/A0.081% 11/15/2022Caas Capital Management LP424,470$2.67M0.1%N/A0.469% 11/10/2022 Cannae Holdings Inc.25,400,559$159.77M8.2%-0.2%28.038% 11/10/2022 Pacific Ridge Capital Partners LLC146,000$918K0.2%+99.4%0.161% 10/24/2022 Arbor Trust Wealth Advisors LLC10,950$69K0.1%N/A0.012% 8/30/2022 Verition Fund Management LLC67,125$468K0.0%N/A0.074% 8/10/2022 Pacific Ridge Capital Partners LLC73,210$510K0.1%N/A0.081% 8/8/2022 Cannae Holdings Inc.25,450,559$177.39M7.9%-6.4%28.102% 8/3/2022 Accel Wealth Management3,500$27K0.0%N/A0.004% 7/29/2022 Cornerstone Investment Partners LLC17,294$121K0.0%N/A0.019% 5/3/2022 Cannae Holdings Inc.27,181,770$394.41M12.3%N/A31.923% BREAKING: The House just passed 3 pro-crypto bills! (Ad)THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here. Discover the under-the-radar project I believe will skyrocket as a result.(Data available from 1/1/2016 forward) SST Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of SST shares? During the previous two years, 18 institutional investors and hedge funds held shares of System1. The most heavily invested institutionals were Cannae Holdings Inc. ($14.94M), Bank of America Corp DE ($964K), Cerity Partners LLC ($604K), Pacific Ridge Capital Partners LLC ($364K), Brighton Jones LLC ($264K), Jane Street Group LLC ($175K), and Ancora Advisors LLC ($175K).Learn more on System1's institutional investors. What percentage of System1's stock is owned by institutional investors? 87.50% of System1's stock is owned by institutional investors. Learn more on SST's institutional investor holdings. Which institutional investors have been buying System1's stock? Of the 11 institutional investors that purchased System1's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Ancora Advisors LLC ($194.33K), Deutsche Bank AG ($115.87K), JPMorgan Chase & Co. ($77.78K), Prudential Financial Inc. ($49.91K), Jane Street Group LLC ($44.15K), Barclays PLC ($39.50K), and Renaissance Technologies LLC ($32.30K). How much institutional buying is happening at System1? Institutional investors have bought a total of 528,988 shares in the last 24 months. This purchase volume represents approximately $4.99M in transactions. Which of System1's major shareholders have been selling company stock? The following institutional investors have sold System1 stock in the last 24 months: Cannae Holdings Inc. ($24.31M), Bank of America Corp DE ($1.48M), Cerity Partners LLC ($1.02M), Geode Capital Management LLC ($453.36K), Charles Schwab Investment Management Inc. ($66.73K), Rhumbline Advisers ($22.72K), and Jane Street Group LLC ($3.20K). How much institutional selling is happening at System1? Institutional investors have sold a total of 27,351,132 shares in the last 24 months. This volume of shares sold represents approximately $153.34M in transactions. Related Companies SLP Major Shareholders OCFT Major Shareholders SMRT Major Shareholders EB Major Shareholders ISSC Major Shareholders DOYU Major Shareholders ASUR Major Shareholders ONTF Major Shareholders INSE Major Shareholders HCAT Major Shareholders This page (NYSE:SST) was last updated on 9/1/2025 by MarketBeat.com Staff From Our PartnersRetire Comfortably with These New Monthly Income ETFs?Too many retirees lie awake at night, worried their savings won’t last. 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