System1 (SST) Institutional Ownership $7.25 +0.38 (+5.53%) Closing price 03:58 PM EasternExtended Trading$6.96 -0.30 (-4.07%) As of 07:14 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)9TotalInstitutional Inflows(last 12 months)$5.84MNumber ofInstitutional Sellers(last 12 months)3TotalInstitutional Outflows(last 12 months)$136.85M Get SST Insider Trade Alerts Want to know when executives and insiders are buying or selling System1 stock? 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Email Address 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 CompanyDetails7/10/2025 Cannae Holdings Inc.2,701,279$14.94M1.8%-90.0%27.341% 2/17/2025Deutsche Bank AG146,110$131K0.0%+383.2%0.159% 2/17/2025Ancora Advisors LLC194,330$175K0.0%N/A0.211% 2/12/2025JPMorgan Chase & Co.88,544$80K0.0%+160.5%0.096% 2/11/2025Prudential Financial Inc.49,910$45K0.0%N/A0.054% 1/30/2025Rhumbline Advisers57,185$51K0.0%-28.4%0.062% 12/26/2024JPMorgan Chase & Co.33,993$38K0.0%+215.7%0.037% 11/19/2024Barclays PLC38,866$44K0.0%+56.1%0.042% 11/16/2024Geode Capital Management LLC473,732$531K0.0%+3.6%0.522% 11/15/2024Barclays PLC38,866$44K0.0%+56.1%0.043% 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. 11/15/2024Jane Street Group LLC103,589$116K0.0%+74.3%0.114% 11/12/2024Charles Schwab Investment Management Inc.54,967$62K0.0%-54.8%0.061% 8/12/2024XTX Topco Ltd24,160$37K0.0%N/A0.027% 8/9/2024Renaissance Technologies LLC57,900$88K0.0%+126.2%0.064% 5/9/2024Pacific Ridge Capital Partners LLC185,671$364K0.1%-20.6%0.207% 1/30/2024Arbor 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% 10/26/2023Brighton Jones LLC218,104$264K0.0%-7.3%0.233% 9/21/2023Barclays PLC11,564$52K0.0%N/A0.012% 8/4/2023American International Group Inc.11,924$54K0.0%N/A0.013% 7/31/2023Brighton 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% 4/17/2023Ronald Blue Trust Inc.35,514$167K0.0%N/A0.039% 2/14/2023Pacific Ridge Capital Partners LLC233,270$1.09M0.3%+59.8%0.255% 11/15/2022Twinbeech 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% 11/10/2022Pacific Ridge Capital Partners LLC146,000$918K0.2%+99.4%0.161% 10/24/2022Arbor Trust Wealth Advisors LLC10,950$69K0.1%N/A0.012% 8/30/2022Verition Fund Management LLC67,125$468K0.0%N/A0.074% 8/10/2022Pacific 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% 8/3/2022Accel Wealth Management3,500$27K0.0%N/A0.004% 7/29/2022Cornerstone Investment Partners LLC17,294$121K0.0%N/A0.019% 5/3/2022 Cannae Holdings Inc.27,181,770$394.41M12.3%N/A31.923% (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, 16 institutional investors and hedge funds held shares of System1. The most heavily invested institutionals were Cannae Holdings Inc. ($14.94M), Geode Capital Management LLC ($531K), Pacific Ridge Capital Partners LLC ($364K), Brighton Jones LLC ($264K), Ancora Advisors LLC ($175K), Deutsche Bank AG ($131K), and Jane Street Group LLC ($116K).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 12 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: Brighton Jones LLC ($235.39K), 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), and Barclays PLC ($39.50K). How much institutional buying is happening at System1? Institutional investors have bought a total of 582,935 shares in the last 24 months. This purchase volume represents approximately $5.84M 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), Charles Schwab Investment Management Inc. ($66.73K), and Rhumbline Advisers ($22.72K). How much institutional selling is happening at System1? Institutional investors have sold a total of 24,400,957 shares in the last 24 months. This volume of shares sold represents approximately $136.85M in transactions. 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