Seres Therapeutics (MCRB) Institutional Ownership $16.69 -0.17 (-1.01%) Closing price 08/15/2025 04:00 PM EasternExtended Trading$16.28 -0.41 (-2.46%) As of 08/15/2025 07:58 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Seres Therapeutics (NASDAQ:MCRB)CurrentInstitutional OwnershipPercentage59.34%Number ofInstitutional Buyers(last 12 months)18TotalInstitutional Inflows(last 12 months)$57.70MNumber ofInstitutional Sellers(last 12 months)10TotalInstitutional Outflows(last 12 months)$42.93M Get MCRB Insider Trade Alerts Want to know when executives and insiders are buying or selling Seres Therapeutics 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 MCRB Institutional Buying and Selling by Quarter Seres Therapeutics Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/15/2025 Bridgeway Capital Management LLC12,500$139K0.0%-95.0%0.143% 8/13/2025 Marshall Wace LLP91,405$1.02M0.0%N/A1.045% 8/12/2025 XTX Topco Ltd22,417$249K0.0%N/A0.256% 8/8/2025 Geode Capital Management LLC91,602$1.02M0.0%-94.3%1.049% 8/8/2025 SBI Securities Co. Ltd.3,482$39K0.0%-95.0%0.040% 7/23/2025 Vontobel Holding Ltd.80,325$892K0.0%-92.6%0.920% 6/27/2025 Goldman Sachs Group Inc.74,629$52K0.0%+40.9%0.855% 5/16/2025 Goldman Sachs Group Inc.74,629$52K0.0%+40.9%0.855% 5/12/2025 Invesco Ltd.136,572$96K0.0%+193.2%1.564% 5/9/2025 Charles Schwab Investment Management Inc.834,107$584K0.0%-3.7%9.568% Get the Latest News and Ratings for MCRB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Seres Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 5/2/2025 SBI Securities Co. Ltd.69,664$49K0.0%+221.8%0.799% 4/28/2025 Vontobel Holding Ltd.1,085,966$760K0.0%+15.7%12.457% 2/17/2025 Millennium Management LLC1,810,719$1.51M0.0%+77.2%1.061% 2/17/2025 Cantor Fitzgerald L. P.95,740$80K0.0%-65.9%0.056% 2/14/2025 Jane Street Group LLC58,736$49K0.0%+181.4%0.034% 2/14/2025 Schonfeld Strategic Advisors LLC100,700$84K0.0%-76.8%0.059% 2/14/2025 Northern Trust Corp262,683$218K0.0%+20.4%0.154% 2/12/2025 Geode Capital Management LLC1,510,432$1.26M0.0%+8.8%0.885% 2/11/2025 LPL Financial LLC94,787$79K0.0%-22.4%0.056% 2/10/2025 Avantax Advisory Services Inc.45,179$38K0.0%+170.9%0.026% 2/6/2025 Charles Schwab Investment Management Inc.865,825$720K0.0%+15.6%0.507% 1/30/2025 Vontobel Holding Ltd.938,295$780K0.0%+137.6%0.550% 1/17/2025 Janney Montgomery Scott LLC48,500$40K0.0%-29.8%0.028% 11/20/2024 Virtu Financial LLC58,791$56K0.0%+44.8%0.034% 11/16/2024 Geode Capital Management LLC1,388,639$1.31M0.0%+22.5%0.816% 11/15/2024 State Street Corp383,248$363K0.0%+12.9%0.225% 11/15/2024 Point72 Asia Singapore Pte. Ltd.44,972$43K0.0%-64.8%0.026% 11/14/2024 Providence Wealth Advisors LLC98,500$93K0.1%+29.2%0.058% 11/13/2024 FMR LLC22,857,260$21.63M0.0%+0.6%13.430% 11/12/2024 Charles Schwab Investment Management Inc.748,718$708K0.0%+42.4%0.440% 10/16/2024 Vontobel Holding Ltd.394,826$374K0.0%N/A0.261% 9/16/2024 Point72 DIFC Ltd87,754$64K0.0%N/A0.058% 9/16/2024 Point72 Asia Singapore Pte. Ltd.127,634$92K0.0%N/A0.084% 8/15/2024 Point72 Asia Singapore Pte. Ltd.127,634$92K0.0%N/A0.084% 8/14/2024 Point72 DIFC Ltd87,754$64K0.0%N/A0.058% 8/9/2024 Providence Wealth Advisors LLC76,250$58K0.0%+49.5%0.050% 8/1/2024 Rhumbline Advisers55,112$40K0.0%-61.0%0.036% 5/20/2024 Virtu Financial LLC94,510$73K0.0%N/A0.062% 5/15/2024 Price T Rowe Associates Inc. MD298,111$232K0.0%-18.0%0.197% 5/10/2024 Vanguard Group Inc.6,734,821$5.21M0.0%+12.1%4.460% Cover all your expenses with just $118,000 invested? (Ad)Generate up to $5,000/month with 10X less money? That's what every financial advisor tells you. But I just discovered a new way to do it with 10X less money.Start collecting this income (next payout coming soon)5/1/2024 BNP Paribas Financial Markets46,549$36K0.0%-19.8%0.031% 5/1/2024 Mirae Asset Global Investments Co. Ltd.50,102$39K0.0%N/A0.033% 2/14/2024 Pennant Investors LP292,300$409K0.1%N/A0.226% 2/13/2024Tower Research Capital LLC TRC38,091$53K0.0%+668.6%0.029% 2/1/2024 Handelsbanken Fonder AB1,100,000$1.54M0.0%+10.0%0.851% 1/24/2024 Clear Creek Financial Management LLC26,950$38K0.0%-47.6%0.021% 1/12/2024 SG Americas Securities LLC52,080$73K0.0%N/A0.040% 12/7/2023 Hudson Bay Capital Management LP1,999,800$4.76M0.0%+127.3%1.547% 11/22/2023 Graham Capital Management L.P.206,838$492K0.0%+731.3%0.160% 11/14/2023 Corton Capital Inc.23,245$55K0.0%-64.7%0.018% 11/14/2023 Profund Advisors LLC155,798$371K0.0%+11.9%0.121% 11/13/2023 Federated Hermes Inc.8,981,717$21.38M0.1%-21.2%6.949% 11/13/2023 Dark Forest Capital Management LP117,498$280K0.0%N/A0.091% 11/13/2023 Aigen Investment Management LP75,241$179K0.0%+577.1%0.058% 11/13/2023 FMR LLC19,230,692$45.77M0.0%+0.2%14.878% 11/13/2023 Rafferty Asset Management LLC936,382$2.23M0.0%+21.1%0.724% 11/7/2023 Quantbot Technologies LP50,400$120K0.0%N/A0.039% 11/7/2023 Barclays PLC461,209$1.10M0.0%+24.3%0.360% 10/30/2023 Arete Wealth Advisors LLC24,900$59K0.0%+99.2%0.019% 10/23/2023 Commonwealth Equity Services LLC11,040$26K0.0%N/A0.009% 10/19/2023Simplicity Solutions LLC11,294$27K0.0%N/A0.009% 10/11/2023 Vontobel Holding Ltd.17,000$40K0.0%-52.6%0.013% 8/14/2023 Great Point Partners LLC938,067$4.49M0.9%N/A0.732% 8/14/2023 UniSuper Management Pty Ltd415,292$1.99M0.0%N/A0.324% 8/14/2023 Parallax Volatility Advisers L.P.134,901$646K0.0%N/A0.105% 8/14/2023 Graham Capital Management L.P.24,881$119K0.0%N/A0.019% 8/11/2023 Natixis99,000$474K0.0%N/A0.077% 8/11/2023E Fund Management Co. Ltd.41,581$199K0.0%+206.1%0.032% 8/11/2023 ExodusPoint Capital Management LP594,895$2.85M0.0%N/A0.464% 8/10/2023 Profund Advisors LLC139,249$667K0.0%+210.4%0.109% 8/9/2023 BNP Paribas Arbitrage SNC154,663$741K0.0%+61.9%0.121% 8/7/2023 Principal Financial Group Inc.45,205$217K0.0%+21.5%0.035% 8/4/2023 American International Group Inc.46,820$224K0.0%+37.7%0.037% 8/3/2023 Jennison Associates LLC1,392,356$6.67M0.0%+109.5%1.089% 8/2/2023 Handelsbanken Fonder AB1,000,000$4.79M0.0%+25.0%0.782% 7/31/2023 LPL Financial LLC115,058$551K0.0%+20.3%0.090% 7/31/2023 Alpha DNA Investment Management LLC138,536$664K0.2%N/A0.108% 7/28/2023 Mach 1 Financial Group LLC94,961$455K0.1%N/A0.074% 7/26/2023 Janney Montgomery Scott LLC90,285$432K0.0%-11.7%0.071% 7/25/2023Raymond James & Associates10,052$48K0.0%N/A0.008% 7/24/2023 Vontobel Holding Ltd.35,865$172K0.0%+74.6%0.028% 7/21/2023 Creative Planning17,304$83K0.0%N/A0.014% 7/19/2023 Teacher Retirement System of Texas27,360$131K0.0%-10.9%0.021% 7/18/2023 Diversified Trust Co10,000$48K0.0%N/A0.008% 7/17/2023 Clear Creek Financial Management LLC54,200$260K0.0%N/A0.042% 7/14/2023 Aries Wealth Management18,000$86K0.0%+50.0%0.014% 7/13/2023 Cambridge Investment Research Advisors Inc.44,844$215K0.0%N/A0.035% 7/10/2023 AE Wealth Management LLC95,188$456K0.0%N/A0.074% 7/7/2023 Auour Investments LLC17,000$81K0.0%N/A0.013% 5/16/2023 Avoro Capital Advisors LLC1,295,000$7.34M0.1%N/A1.013% Cover all your expenses with just $118,000 invested? (Ad)Generate up to $5,000/month with 10X less money? That's what every financial advisor tells you. But I just discovered a new way to do it with 10X less money.Start collecting this income (next payout coming soon)5/15/2023 Atom Investors LP90,388$512K0.3%-5.4%0.071% 5/12/2023 Profund Advisors LLC44,859$254K0.0%N/A0.035% 5/11/2023 PFG Investments LLC20,500$116K0.0%N/A0.016% 5/11/2023 FMR LLC18,911,458$107.23M0.0%+1.2%14.794% 5/11/2023 Knott David M Jr315,000$1.79M0.7%+57.4%0.246% 5/11/2023E Fund Management Co. Ltd.13,585$77K0.0%-18.5%0.011% 5/10/2023 Oppenheimer & Co. Inc.37,111$210K0.0%N/A0.029% 5/10/2023 Simplify Asset Management Inc.550,626$3.12M0.4%N/A0.431% 5/8/2023 Federated Hermes Inc.15,277,356$86.62M0.2%-15.5%11.951% 5/8/2023 Zurcher Kantonalbank Zurich Cantonalbank24,010$136K0.0%+39.0%0.019% (Data available from 1/1/2016 forward) MCRB Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of MCRB shares? During the previous two years, 46 institutional investors and hedge funds held shares of Seres Therapeutics. The most heavily invested institutionals were FMR LLC ($21.63M), Federated Hermes Inc. ($21.38M), Vanguard Group Inc. ($5.21M), Hudson Bay Capital Management LP ($4.76M), Rafferty Asset Management LLC ($2.23M), Handelsbanken Fonder AB ($1.54M), and Millennium Management LLC ($1.51M).Learn more on Seres Therapeutics' institutional investors. What percentage of Seres Therapeutics' stock is owned by institutional investors? 59.34% of Seres Therapeutics' stock is owned by institutional investors. Learn more on MCRB's institutional investor holdings. Which institutional investors have been buying Seres Therapeutics' stock? Of the 35 institutional investors that purchased Seres Therapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Hudson Bay Capital Management LP ($1.12M), Vontobel Holding Ltd. ($1.09M), Millennium Management LLC ($788.76K), Vanguard Group Inc. ($729.51K), Geode Capital Management LLC ($376.81K), Charles Schwab Investment Management Inc. ($339.88K), and Pennant Investors LP ($292.30K). How much institutional buying is happening at Seres Therapeutics? Institutional investors have bought a total of 3,437,053 shares in the last 24 months. This purchase volume represents approximately $57.70M in transactions. Which of Seres Therapeutics' major shareholders have been selling company stock? Of the 10 institutional investors that sold Seres Therapeutics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Geode Capital Management LLC ($1.53M), Vontobel Holding Ltd. ($1.01M), Schonfeld Strategic Advisors LLC ($333.20K), Bridgeway Capital Management LLC ($237.50K), Cantor Fitzgerald L. P. ($184.83K), Point72 Asia Singapore Pte. Ltd. ($82.66K), and SBI Securities Co. Ltd. ($66.18K). How much institutional selling is happening at Seres Therapeutics? Institutional investors have sold a total of 3,516,934 shares in the last 24 months. This volume of shares sold represents approximately $42.93M in transactions. Related Companies ORKA Institutional Ownership SLDB Institutional Ownership KURA Institutional Ownership PRME Institutional Ownership ARVN Institutional Ownership ETON Institutional Ownership SVRA Institutional Ownership PVLA Institutional Ownership ITOS Institutional Ownership SNDL Institutional Ownership This page (NASDAQ:MCRB) was last updated on 8/16/2025 by MarketBeat.com Staff From Our PartnersGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. 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