NASDAQ:MCRB Seres Therapeutics (MCRB) Stock Price, News & Analysis $19.44 +1.12 (+6.11%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$19.39 -0.05 (-0.26%) As of 08/22/2025 07:56 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 Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock About Seres Therapeutics Stock (NASDAQ:MCRB) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get Seres Therapeutics alerts:Sign Up Key Stats Today's Range$18.26▼$19.5950-Day Range$7.32▼$19.4452-Week Range$6.53▼$26.40Volume167,878 shsAverage Volume130,348 shsMarket Capitalization$170.10 millionP/E RatioN/ADividend YieldN/APrice Target$73.67Consensus RatingReduce Company Overview Seres Therapeutics, Inc., a microbiome therapeutics company, develop microbiome therapeutics to treat the modulation of the colonic microbiome. It develops a novel class of biological drugs that are designed to treat by modulating the microbiome to restore health by repairing the function of a disrupted microbiome to a non-disease state. The company's lead product candidate is VOWST, an oral microbiome therapeutic that has completed Phase III clinical trial for the treatment of recurrent Clostridioides difficile infection. Its product pipeline also includes SER-155, an investigational oral fermented microbiome therapeutic which is in Phase 1b clinical trials for the treatment of gastrointestinal infections, bacteremia, and graft versus host disease in immunocompromised patients including patients receiving allogeneic hematopoietic stem cell transplantation. In addition, the company engages in the development of SER-287 which is in Phase 2b and SER-301 that is in Phase 1b to treat ulcerative colitis. Further, it has license Agreement with NHSc Rx License GmbH for the therapeutic products based on the microbiome technology, which includes VOWST product candidate, which is developed for the treatment of CDI and recurrent CDI; and collaboration license agreement with Société des Produits Nestlé S.A. (Nestlé) for the development and commercialization of certain product candidates for the treatment and management of CDI and inflammatory bowel disease including UC and Crohn's disease. The company was formerly known as Seres Health, Inc. and changed its name to Seres Therapeutics, Inc. in May 2015. Seres Therapeutics, Inc. was incorporated in 2010 and is headquartered in Cambridge, Massachusetts. Read More Seres Therapeutics Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks62nd Percentile Overall ScoreMCRB MarketRank™: Seres Therapeutics scored higher than 62% of companies evaluated by MarketBeat, and ranked 392nd out of 937 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion2.9 / 5Analyst RatingReduce Consensus RatingSeres Therapeutics has received a consensus rating of Reduce. The company's average rating score is 1.75, and is based on 1 buy rating, 1 hold rating, and 2 sell ratings.Amount of Analyst CoverageSeres Therapeutics has received no research coverage in the past 90 days.Read more about Seres Therapeutics' stock forecast and price target. Earnings and Valuation0.0 / 5Proj. Earnings GrowthDecreasing Earnings GrowthEarnings for Seres Therapeutics are expected to decrease in the coming year, from ($0.38) to ($0.56) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Seres Therapeutics is -4.23, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Earnings Ratio vs. SectorThe P/E ratio of Seres Therapeutics is -4.23, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Book Value per Share RatioSeres Therapeutics has a P/B Ratio of 5.17. P/B Ratios above 3 indicate that a company could be overvalued with respect to its assets and liabilities.Read more about Seres Therapeutics' valuation and earnings. Short Interest1.0 / 5Short Interest LevelBearish Percentage of Shares Shorted15.50% of the float of Seres Therapeutics has been sold short.Short Interest Ratio / Days to CoverSeres Therapeutics has a short interest ratio ("days to cover") of 8.3.Change versus previous monthShort interest in Seres Therapeutics has recently increased by 16.13%, indicating that investor sentiment is decreasing significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldSeres Therapeutics does not currently pay a dividend.Dividend GrowthSeres Therapeutics does not have a long track record of dividend growth. Sustainability and ESG4.6 / 5Environmental Score-1.14 Percentage of Shares Shorted15.50% of the float of Seres Therapeutics has been sold short.Short Interest Ratio / Days to CoverSeres Therapeutics has a short interest ratio ("days to cover") of 8.3.Change versus previous monthShort interest in Seres Therapeutics has recently increased by 16.13%, indicating that investor sentiment is decreasing significantly. News and Social Media2.1 / 5News SentimentN/A News SentimentSeres Therapeutics has a news sentiment score of 0.84. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a higher news sentiment than the 0.69 average news sentiment score of Medical companies.Search InterestOnly 6 people have searched for MCRB on MarketBeat in the last 30 days. This is a decrease of -33% compared to the previous 30 days. Company Ownership0.8 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, Seres Therapeutics insiders have not sold or bought any company stock.Percentage Held by InsidersOnly 4.70% of the stock of Seres Therapeutics is held by insiders.Percentage Held by Institutions59.34% of the stock of Seres Therapeutics is held by institutions. High institutional ownership can be a signal of strong market trust in this company.Read more about Seres Therapeutics' insider trading history. Receive MCRB Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Seres Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address MCRB Stock News HeadlinesSeres Therapeutics’ Earnings Call: Progress Amid ChallengesAugust 16, 2025 | theglobeandmail.comSeres Therapeutics Reports Q2 Results and Leadership ChangeAugust 8, 2025 | theglobeandmail.comWhen the levee breaksThe U.S. Treasury just confirmed it plans to borrow $1.01 trillion this quarter—nearly double what was projected. According to Porter Stansberry, this is panic-level borrowing… and a clear sign we’re nearing America’s financial breaking point. In his latest emergency briefing, Porter outlines why the cracks in our system are widening fast—and how Trump’s policies may be accelerating the collapse. More importantly, he reveals three moves you can make now to protect and potentially grow your wealth before the levee breaks.August 24 at 2:00 AM | Porter & Company (Ad)Seres (MCRB) Q2 Loss Narrows 34%August 6, 2025 | fool.comSeres Therapeutics, Inc. (MCRB) Q2 2025 Earnings Call TranscriptAugust 6, 2025 | seekingalpha.comSeres Therapeutics Reports Second Quarter 2025 Financial Results and Provides Business UpdatesAugust 6, 2025 | globenewswire.comSeres Therapeutics: Speculative Gem Backed By SER‑155 FDA BreakthroughJuly 31, 2025 | seekingalpha.comSeres Therapeutics to Announce Second Quarter 2025 Financial Results and Business Updates on August 6, 2025July 22, 2025 | globenewswire.comSee More Headlines MCRB Stock Analysis - Frequently Asked Questions How have MCRB shares performed this year? Seres Therapeutics' stock was trading at $16.62 on January 1st, 2025. Since then, MCRB stock has increased by 17.0% and is now trading at $19.44. How were Seres Therapeutics' earnings last quarter? Seres Therapeutics, Inc. (NASDAQ:MCRB) issued its earnings results on Wednesday, August, 6th. The biotechnology company reported ($2.27) earnings per share (EPS) for the quarter, beating analysts' consensus estimates of ($2.72) by $0.45. Read the conference call transcript. When did Seres Therapeutics' stock split? Seres Therapeutics's stock reverse split before market open on Tuesday, April 22nd 2025.The 1-20 reverse split was announced on Thursday, April 10th 2025. The number of shares owned by shareholders was adjusted after the market closes on Monday, April 21st 2025. An investor that had 100 shares of stock prior to the reverse split would have 5 shares after the split. When did Seres Therapeutics IPO? Seres Therapeutics (MCRB) raised $101 million in an initial public offering on Friday, June 26th 2015. The company issued 6,300,000 shares at $15.00-$17.00 per share. Goldman Sachs and BofA Merrill Lynch served as the underwriters for the IPO and Leerink Partners and Canaccord Genuity were co-managers. Who are Seres Therapeutics' major shareholders? Seres Therapeutics' top institutional shareholders include Geode Capital Management LLC (1.05%), Marshall Wace LLP (1.04%), Vontobel Holding Ltd. (0.92%) and XTX Topco Ltd (0.26%). Insiders that own company stock include Eric D Shaff, Thomas Desrosier, Matthew R Henn, Teresa L Young, David S Ege, Paula Cloghessy and Moltke Lisa Von. View institutional ownership trends. How do I buy shares of Seres Therapeutics? Shares of MCRB stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of Seres Therapeutics own? Based on aggregate information from My MarketBeat watchlists, some other companies that Seres Therapeutics investors own include PayPal (PYPL), NVIDIA (NVDA), Meta Platforms (META), Tesla (TSLA), Micron Technology (MU), QUALCOMM (QCOM) and NIO (NIO). Company Calendar Last Earnings8/06/2025Today8/24/2025Next Earnings (Estimated)11/12/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry MED - BIOMED/GENE Sub-IndustryPharmaceutical Products Current SymbolNASDAQ:MCRB CIK1609809 Webwww.serestherapeutics.com Phone(617) 945-9626FaxN/AEmployees330Year Founded2010Price Target and Rating Average Price Target for Seres Therapeutics$73.67 High Price Target$200.00 Low Price Target$6.00 Potential Upside/Downside+278.9%Consensus RatingReduce Rating Score (0-4)1.75 Research Coverage4 Analysts Profitability EPS (Trailing Twelve Months)($4.60) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income$140 thousand Net MarginsN/A Pretax MarginN/A Return on Equity-350.16% Return on Assets-67.69% Debt Debt-to-Equity RatioN/A Current Ratio1.57 Quick Ratio1.57 Sales & Book Value Annual Sales$126.32 million Price / Sales1.35 Cash FlowN/A Price / Cash FlowN/A Book Value$3.76 per share Price / Book5.17Miscellaneous Outstanding Shares8,750,000Free Float8,344,000Market Cap$170.10 million OptionableOptionable Beta2.90 Social Links Elon Musk's Next MoveExplore Elon Musk’s boldest ventures yet—from AI and autonomy to space colonization—and find out how investors can ride the next wave of innovation.Get This Free Report This page (NASDAQ:MCRB) was last updated on 8/24/2025 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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