Synlogic (SYBX) Institutional Ownership $1.14 +0.02 (+1.33%) As of 05/21/2025 04:00 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Synlogic (NASDAQ:SYBX)CurrentInstitutional OwnershipPercentage63.40%Number ofInstitutional Buyers(last 12 months)0Number ofInstitutional Sellers(last 12 months)2TotalInstitutional Outflows(last 12 months)$190.92K Get SYBX Insider Trade Alerts Want to know when executives and insiders are buying or selling Synlogic 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 SYBX Institutional Buying and Selling by Quarter Synlogic Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/13/2025 Renaissance Technologies LLC22,310$31K0.0%-69.0%0.191% 11/13/2024 FMR LLC166,724$248K0.0%-27.6%1.425% 8/9/2024 Renaissance Technologies LLC100,530$151K0.0%-15.1%0.859% 2/13/2024 Armistice Capital LLC1,055,000$4.06M0.1%+75.9%11.480% 1/8/2024 Harbor Capital Advisors Inc.30,685$118K0.0%+43.4%0.334% 11/15/2023 Armistice Capital LLC599,874$1.69M0.0%N/A13.098% 11/13/2023 WINTON GROUP Ltd12,401$35K0.0%N/A0.271% 10/20/2023 Harbor Capital Advisors Inc.21,403$60K0.0%-92.6%0.467% 7/31/2023PVG Asset Management Corp68,455$29K0.1%-31.7%0.100% 7/11/2023 Harbor Capital Advisors Inc.290,605$125K0.0%+10.1%0.426% Get the Latest News and Ratings for SYBX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Synlogic and its competitors with MarketBeat's FREE daily newsletter. 4/26/2023 Harbor Capital Advisors Inc.264,026$167K0.0%-15.3%0.387% 1/13/2023 Flagship Harbor Advisors LLC40,000$30K0.0%-28.6%0.057% 11/14/2022 RA Capital Management L.P.4,618,415$4.39M0.1%-20.7%6.576% 11/14/2022 UBS Oconnor LLC465,741$442K0.0%-14.2%0.663% 10/28/2022 Harbor Capital Advisors Inc.318,309$302K0.3%-10.0%0.453% 8/12/2022 Ikarian Capital LLC474,360$545K0.1%-8.7%0.675% 8/4/2022 Royce & Associates LP434,041$499K0.0%-10.3%0.618% 5/5/2022 UMA Financial Services Inc.17,302$30K0.0%N/A0.025% 4/28/2022 Harbor Capital Advisors Inc.354,998$852K0.4%-18.9%0.509% 2/15/2022 Stonepine Capital Management LLC1,064,135$2.58M1.2%+6.4%1.527% 2/14/2022 Opaleye Management Inc.850,000$2.06M0.4%N/A1.219% 2/14/2022 LMR Partners LLP550,000$1.33M0.0%+10.0%0.789% 2/10/2022Acadian Asset Management LLC77,655$186K0.0%+796.3%0.111% 2/10/2022 Connor Clark & Lunn Investment Management Ltd.32,161$78K0.0%N/A0.046% 2/9/2022 Dimensional Fund Advisors LP632,168$1.53M0.0%-11.4%0.907% 2/4/2022 Harbor Capital Advisors Inc.437,550$1.06M0.4%N/A0.628% 11/16/2021 Suvretta Capital Management LLC60,000$183K0.0%N/A0.115% 11/16/2021 Two Sigma Advisers LP402,900$1.23M0.0%-41.4%0.769% 11/16/2021 Two Sigma Investments LP447,650$1.37M0.0%-32.9%0.855% 11/16/2021 Laurion Capital Management LP80,100$244K0.0%N/A0.153% 11/15/2021 RA Capital Management L.P.6,666,666$20.33M0.3%N/A12.729% 11/15/2021 Caas Capital Management LP50,000$153K0.0%N/A0.095% 11/15/2021 Dimensional Fund Advisors LP713,889$2.18M0.0%-25.1%1.363% 11/15/2021 Franklin Resources Inc.101,700$310K0.0%N/A0.194% 11/12/2021 Renaissance Technologies LLC188,672$575K0.0%-28.6%0.360% 11/12/2021 Stonepine Capital Management LLC1,000,000$3.05M1.4%N/A1.909% 11/12/2021 Magnetar Financial LLC32,881$100K0.0%N/A0.063% 11/9/2021BlackRock Inc.372,959$1.14M0.0%+1.6%0.712% 11/9/2021 Monashee Investment Management LLC150,000$458K0.1%N/A0.286% 11/2/2021Raymond James & Associates11,000$34K0.0%N/A0.021% July 2025 Rule Change to Impact Retirement Investors (Ad)There's a massive change from a new rule going into effect this July. And it's one the Big Banks are already using to their advantage… It allows them to treat this new asset like actual cash.Yes, Send Me My FREE Retirement Guide10/29/2021 Janney Montgomery Scott LLC11,000$34K0.0%-53.2%0.021% 9/22/2021 Nan Fung Group Holdings Ltd68,634$267K0.1%N/A0.131% 9/17/2021 Virtu Financial LLC56,307$219K0.0%N/A0.108% 8/18/2021 Ikarian Capital LLC848,354$3.30M0.3%-43.2%1.620% 8/17/2021 Bridgeway Capital Management LLC253,000$984K0.0%+11.7%0.483% 8/16/2021 Squarepoint Ops LLC41,599$162K0.0%-67.3%0.079% 8/16/2021 LMR Partners LLP300,000$1.17M0.0%N/A0.573% 8/16/2021 Alyeska Investment Group L.P.800,000$3.11M0.0%N/A1.528% 8/16/2021 Maven Securities LTD100,000$403K0.0%N/A0.191% 8/16/2021 Charles Schwab Investment Management Inc.17,418$68K0.0%N/A0.033% 8/16/2021 State Street Corp75,056$292K0.0%N/A0.143% 8/13/2021 Renaissance Technologies LLC264,091$1.03M0.0%-15.8%0.504% 8/13/2021 Northern Trust Corp68,865$268K0.0%+81.2%0.131% 8/13/2021 Geode Capital Management LLC257,061$999K0.0%+45.1%0.491% 8/13/2021 Vanguard Group Inc.1,727,371$6.72M0.0%+105.8%3.298% 8/13/2021 FMR LLC7,855,233$30.56M0.0%N/A14.999% 8/12/2021 Dimensional Fund Advisors LP952,835$3.71M0.0%-1.9%1.819% 8/11/2021 Bank of New York Mellon Corp68,580$267K0.0%-13.7%0.131% 5/19/2021 Squarepoint Ops LLC127,313$456K0.0%N/A0.312% 5/18/2021 D. E. Shaw & Co. Inc.14,167$51K0.0%-92.4%0.035% 5/17/2021 Gilder Gagnon Howe & Co. LLC1,489,109$5.33M0.0%N/A3.645% 5/17/2021 Ikarian Capital LLC1,492,614$5.34M0.2%N/A3.654% 5/14/2021 Dimensional Fund Advisors LP971,535$3.48M0.0%-1.0%2.378% 5/13/2021QS Investors LLC101,700$365K0.0%N/A0.249% 5/13/2021 Renaissance Technologies LLC313,632$1.12M0.0%-10.2%0.768% 5/13/2021 Bank of New York Mellon Corp79,432$284K0.0%-7.0%0.194% 5/10/2021 Royce & Associates LP484,041$1.73M0.0%N/A1.185% 5/7/2021BlackRock Inc.404,814$1.45M0.0%-1.4%0.991% 5/4/2021 Commonwealth Equity Services LLC10,637$38K0.0%-26.0%0.026% 4/27/2021 Janney Montgomery Scott LLC25,500$91K0.0%N/A0.064% 3/8/2021 Dimensional Fund Advisors LP981,432$2.12M0.0%-5.4%2.817% (Data available from 1/1/2016 forward) SYBX Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of SYBX shares? During the previous two years, the following institutional investors and hedge funds held shares of Synlogic shares: Armistice Capital LLC ($4.06M), FMR LLC ($248K), Harbor Capital Advisors Inc. ($118K), WINTON GROUP Ltd ($35K), and Renaissance Technologies LLC ($31K), PVG Asset Management Corp ($29K).Learn more on SYBX's institutional investors. What percentage of Synlogic stock is owned by institutional investors? 63.40% of Synlogic stock is owned by institutional investors. Learn more on SYBX's institutional investor holdings. Which institutional investors have been buying Synlogic stock? The following institutional investors have purchased Synlogic stock in the last 24 months: Armistice Capital LLC ($1.06M), Harbor Capital Advisors Inc. ($35.86K), and WINTON GROUP Ltd ($12.40K). How much institutional buying is happening at Synlogic? Institutional investors have bought a total of 1,103,262 shares in the last 24 months. This purchase volume represents approximately $3.68M in transactions. Which Synlogic major shareholders have been selling company stock? The following institutional investors have sold Synlogic stock in the last 24 months: Harbor Capital Advisors Inc. ($269.20K), Renaissance Technologies LLC ($67.52K), FMR LLC ($63.49K), and PVG Asset Management Corp ($31.77K). How much institutional selling is happening at Synlogic? Institutional investors have sold a total of 431,975 shares in the last 24 months. This volume of shares sold represents approximately $1.15M in transactions. 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