Seres Therapeutics (MCRB) Stock Chart & Stock Price History $17.40 +1.71 (+10.90%) Closing price 09/16/2025 04:00 PM EasternExtended Trading$17.34 -0.06 (-0.34%) As of 07:15 AM 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 Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Seres Therapeutics Stock Price Performance The Seres Therapeutics (MCRB) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 20.91%, with a year-to-date return of 4.69%. In the past month, the stock has increased 4.25%, reflecting recent market activity. As of the latest close, Seres Therapeutics traded at $17.40 with a market cap of $152.25 million and volume of 154,360 shares. Five years ago, the stock traded at a split-adjusted price of $537.20, representing a 96.76% decrease over that period. At the time, it had a market cap of $2.05 billion and a volume of 17,948 shares. Receive MCRB Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Seres Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. 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Read our full terms of service and privacy policy. 5 Day Performance+9.37%1 Month Performance+4.25%3 Month Performance+137.70%Year-To-Date Performance+4.69%1 Year Performance-20.91%5 Year Performance-96.76% MCRB Stock Chart for Wednesday, September, 17, 2025 MCRB Chart by TradingView Seres Therapeutics Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization09/16/2025$15.69$17.40+10.90%$17.42$15.69154,360 shs$152.25 million09/15/2025$15.91$15.69-1.38%$16.25$15.26151,689 shs$137.37 million09/12/2025$17.57$15.91-9.45%$17.75$14.22807,240 shs$139.29 million09/11/2025$17.59$17.57-0.11%$18.69$17.17306,521 shs$153.74 million09/10/2025$18.65$17.59-5.68%$19.91$17.00431,230 shs$153.91 million09/09/2025$22.85$18.65-18.38%$23.95$17.47758,036 shs$163.28 million09/08/2025$19.36$22.85+18.03%$24.67$21.001.00 million shs$199.94 million09/05/2025$18.80$19.36+2.98%$19.69$18.6091,159 shs$169.40 million09/04/2025$18.50$18.80+1.62%$19.04$17.8281,112 shs$164.50 million09/03/2025$19.52$18.50-5.23%$19.85$18.36105,343 shs$161.97 million 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. 09/02/2025$18.94$19.52+3.06%$19.87$18.7595,779 shs$170.80 million09/01/2025$18.94$18.94$19.21$18.4337,968 shs$165.73 million08/29/2025$18.99$18.94-0.26%$19.21$18.4337,968 shs$165.73 million08/28/2025$18.88$18.99+0.58%$19.12$18.4484,134 shs$166.26 million08/27/2025$19.35$18.88-2.43%$19.88$18.8689,710 shs$165.20 million08/26/2025$19.23$19.35+0.62%$20.59$19.15194,585 shs$169.31 million08/25/2025$19.44$19.23-1.08%$19.41$18.1369,682 shs$168.36 million08/22/2025$18.32$19.44+6.11%$19.59$18.26167,878 shs$170.20 million08/21/2025$17.94$18.32+2.12%$19.00$17.57126,540 shs$160.30 million08/20/2025$16.25$17.94+10.40%$18.12$16.28130,131 shs$156.98 million08/19/2025$17.69$16.25-8.14%$17.85$16.2598,341 shs$142.27 million08/18/2025$16.69$17.69+5.99%$18.12$15.79188,436 shs$154.79 million Related Companies TYRA Stock Chart GOSS Stock Chart PROK Stock Chart DNA Stock Chart BCAX Stock Chart SNDL Stock Chart SEPN Stock Chart SVRA Stock Chart MRVI Stock Chart ORGO Stock Chart Receive MCRB Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Seres Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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