Seres Therapeutics, Inc., a microbiome therapeutics platform company, engages in developing bacterial consortia that are designed to functionally interact with host cells and tissues to treat disease. The company's lead product candidate is the SER-109, an oral microbiome therapeutic candidate that has completed Phase III clinical trial for the treatment of clostridium difficile infection (CDI). It is also developing SER-287 that is in Phase IIb clinical trial to treat ulcerative colitis; SER-401, which is in Phase Ib clinical trial for use with checkpoint inhibitors in patients with metastatic melanoma; and SER-301 that is in the Phase 1b clinical trial for the treatment of inflammatory bowel disease. In addition, the company engages in the development of SER-262 to treat an initial recurrence of CDI; and SER-155, a cultivated bacteria microbiome drug designed to prevent mortality due to gastrointestinal infections, bacteremia, and graft versus host diseases in immunocompromised patients receiving allogeneic hematopoietic stem cell transplantation and solid organ transplants. It has license and collaboration agreements with Nestec Ltd. and Memorial Sloan Kettering Cancer Center. 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.
IPO Year: 2015
Exchange: NASDAQ
Website: serestherapeutics.com
| Date | Price Target | Rating | Analyst |
|---|---|---|---|
| 5/8/2025 | $6.00 | Buy → Neutral | Chardan Capital Markets |
| 10/24/2024 | Neutral → Underweight | JP Morgan | |
| 6/26/2023 | $12.00 | Outperform | Oppenheimer |
| 4/21/2023 | $7.00 | Neutral | JP Morgan |
| 7/23/2021 | $42.00 → $29.00 | Buy | Canaccord Genuity |
| 7/23/2021 | $30.00 → $16.00 | Buy | Chardan Capital |
| 7/23/2021 | $36.00 → $18.00 | Outperform | Oppenheimer |
| 7/23/2021 | $46.00 → $25.00 | Buy | HC Wainwright & Co. |
| 7/23/2021 | $24.00 → $7.00 | Neutral → Sell | Goldman Sachs |
In line with recent FDA feedback, Seres expects to submit a Phase 2 study protocol to FDA in the coming weeks for SER-155 for the prevention of bloodstream infections (BSIs) in adults undergoing allogeneic hematopoietic stem cell transplant (allo-HSCT) for the treatment of hematological malignancies SER-155 Phase 1b placebo-controlled study exploratory translational biomarker data reinforce intended mechanisms of action, consistent with clinical results that showed a significant reduction (77% relative risk reduction) in BSIs, and support broader potential for Seres' live biotherapeutics to address inflammatory and immune diseases Seres advancing SER-155 strategic partnership discussions i
CAMBRIDGE, Mass., April 23, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (NASDAQ:MCRB), a leading live biotherapeutics company, today announced that management will host a conference call and live audio webcast on May 7, 2025 at 8:30 a.m. ET to discuss first quarter 2025 financial results and provide business updates. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963 (international) and reference the conference ID number 4618787. To join the live webcast, please visit the "Investors and News" section of the Seres website at www.serestherapeutics.com. A webcast replay will be available on the Seres website beginning approximately two hours aft
Recent FDA feedback received on SER-155 allogeneic hematopoietic stem cell transplant (allo-HSCT) next study provides support for the proposed primary efficacy endpoint of reduction in bloodstream infections (BSIs) at day 30 post-HSCT; Company expects to submit draft study protocol to FDA in Q2 2025 SER-155 Phase 1b placebo-controlled study exploratory translational biomarker data reinforce intended mechanisms of action, are consistent with clinical results that showed a significant reduction (77% relative risk reduction) in BSIs, and support potential for live biotherapeutics to address inflammatory and immune diseases Company advances SER-155 strategic partnership discussions to acce
CAMBRIDGE, Mass., March 04, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (NASDAQ:MCRB), a leading live biotherapeutics company, today announced that management will host a conference call and live audio webcast on March 13, 2025 at 8:30 a.m. ET to discuss fourth quarter and full year 2024 financial results and provide business updates. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963 (international) and reference the conference ID number 6331602. To join the live webcast, please visit the "Investors and News" section of the Seres website at www.serestherapeutics.com. A webcast replay will be available on the Seres website beginning approximately tw
SER-155 Phase 1b placebo-controlled clinical results demonstrated significant reduction in both bacterial bloodstream infections and systemic antibiotic exposure, as well as lower incidence of febrile neutropenia, as compared to placebo, through day 100 post allo-HSCT Financial position strengthened following completion of VOWST™ sale; based on existing cash, projected 2025 deal economics and current operating plans, Seres expects to fund operations into Q4 2025 Seeking SER-155 strategic partnership to accelerate next study in allo-HSCT and expand to multiple target populations Conference call at 8:30 a.m. ET today CAMBRIDGE, Mass., Nov. 13, 2024 (GLOBE NEWSWIR
CAMBRIDGE, Mass., Nov. 06, 2024 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (NASDAQ:MCRB), a leading live biotherapeutics company, today announced that management will host a conference call and live audio webcast on November 13, 2024 at 8:30 a.m. ET to discuss third quarter 2024 financial results and provide business updates. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963 (international) and reference the conference ID number 5051385. To join the live webcast, please visit the "Investors and News" section of the Seres website at www.serestherapeutics.com. A webcast replay will be available on the Seres website beginning approximately two hours after
SER-155 administration was associated with a significant reduction in both bacterial bloodstream infections (BSIs) and systemic antibiotic exposure, as well as lower incidence of febrile neutropenia, as compared to placebo through day 100 post HSCT Demonstrated generally well tolerated safety profile and confirmed drug bacteria strain engraftment; no treatment-related serious adverse events Company to seek Breakthrough Therapy designation from the FDA, given the high unmet medical need associated with BSIs, and discuss plans to advance development of SER-155 in allo-HSCT Results support Seres' strategy to pursue SER-155 and other live biotherapeutics for prevention of a broader range of
SER-155 Phase 1b placebo-controlled Cohort 2 clinical readout on track for September VOWST asset sale to provide $175M cash infusion, less approximately $20M in settlement of net obligations between the Parties, at close Transaction proceeds to fully retire debt and support advancement of wholly-owned cultivated live biotherapeutic pipeline to improve patient outcomes in medically vulnerable populations Based on existing cash, deal economics and operating plans, Seres expects to fund operations into Q4 2025 Conference call at 8:30 a.m. ET today CAMBRIDGE, Mass., Aug. 13, 2024 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (NASDAQ:MCRB), ("Seres" or "the Company"),
Upon closing, Seres to receive $175M cash infusion, including an upfront payment, prepayment of a future commercial milestone payment, and an equity investment in Seres common stock, less approximately $20M in settlement of net obligations between the Parties; anticipated deal closing in the next 90 days Additional approximately $75M in cash payments are due to Seres in 2025, contingent upon Seres' compliance with transition obligations, with the potential for additional future commercial milestone payments of up to $275M on the achievement of VOWST net sales targets Seres will fully retire its debt obligations upon closing Based on existing cash, deal economics and oper
CAMBRIDGE, Mass., Aug. 06, 2024 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (NASDAQ:MCRB), a leading live biotherapeutics company, today announced that management will host a conference call and live audio webcast on August 13, 2024 at 8:30 a.m. ET to discuss second quarter 2024 financial results and provide business updates. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963 (international) and reference the conference ID number 4877586. To join the live webcast, please visit the "Investors and News" section of the Seres website at www.serestherapeutics.com. A webcast replay will be available on the Seres website beginning approximately two hours after t
In line with recent FDA feedback, Seres expects to submit a Phase 2 study protocol to FDA in the coming weeks for SER-155 for the prevention of bloodstream infections (BSIs) in adults undergoing allogeneic hematopoietic stem cell transplant (allo-HSCT) for the treatment of hematological malignancies SER-155 Phase 1b placebo-controlled study exploratory translational biomarker data reinforce intended mechanisms of action, consistent with clinical results that showed a significant reduction (77% relative risk reduction) in BSIs, and support broader potential for Seres' live biotherapeutics to address inflammatory and immune diseases Seres advancing SER-155 strategic partnership discussions i
CAMBRIDGE, Mass., April 29, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (NASDAQ:MCRB), a leading live biotherapeutics company, today announced that it will present three related posters at the upcoming 2025 Digestive Disease Week (DDW) Conference being held May 3-6, 2025, in San Diego, CA. Seres previously reported exploratory translational biomarker data from its SER-155 Phase 1b study, which provided evidence supporting the intended therapeutic mechanisms. These included promoting intestinal epithelial barrier integrity to reduce the translocation of bacteria and inflammatory bacterial products into the bloodstream, as well as modulating systemic inflammatory responses. New resu
CAMBRIDGE, Mass., April 23, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (NASDAQ:MCRB), a leading live biotherapeutics company, today announced that management will host a conference call and live audio webcast on May 7, 2025 at 8:30 a.m. ET to discuss first quarter 2025 financial results and provide business updates. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963 (international) and reference the conference ID number 4618787. To join the live webcast, please visit the "Investors and News" section of the Seres website at www.serestherapeutics.com. A webcast replay will be available on the Seres website beginning approximately two hours aft
Recent FDA feedback received on SER-155 allogeneic hematopoietic stem cell transplant (allo-HSCT) next study provides support for the proposed primary efficacy endpoint of reduction in bloodstream infections (BSIs) at day 30 post-HSCT; Company expects to submit draft study protocol to FDA in Q2 2025 SER-155 Phase 1b placebo-controlled study exploratory translational biomarker data reinforce intended mechanisms of action, are consistent with clinical results that showed a significant reduction (77% relative risk reduction) in BSIs, and support potential for live biotherapeutics to address inflammatory and immune diseases Company advances SER-155 strategic partnership discussions to acce
CAMBRIDGE, Mass., March 04, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (NASDAQ:MCRB), a leading live biotherapeutics company, today announced that management will host a conference call and live audio webcast on March 13, 2025 at 8:30 a.m. ET to discuss fourth quarter and full year 2024 financial results and provide business updates. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963 (international) and reference the conference ID number 6331602. To join the live webcast, please visit the "Investors and News" section of the Seres website at www.serestherapeutics.com. A webcast replay will be available on the Seres website beginning approximately tw
FDA has provided input on key elements of the SER-155 allo-HSCT clinical development plans including support for the proposed primary efficacy endpoint of reduction in bloodstream infections (BSIs) as of 30 days post HSCT in the next study Seres has submitted clarification questions to FDA and expects a response in the coming weeks, which will inform the proposed protocol for the next SER-155 study in allo-HSCT, which the Company anticipates submitting to FDA in Q2 CAMBRIDGE, Mass., March 03, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (NASDAQ:MCRB) (Seres or the Company), a leading live biotherapeutics company, today announced that it has received constructive feedback from a Typ
CAMBRIDGE, Mass., Jan. 16, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (NASDAQ:MCRB) (Seres or the Company), a leading live biotherapeutics company, announced today the receipt of a $50 million installment payment related to the Company's previously announced sale of its VOWST business to Société des Produits Nestlé S.A (SPN, and with certain of its affiliates, collectively, Nestlé Health Science). This installment payment was expected as Seres is fulfilling its transition obligations. As previously announced, based on the Company's existing cash, inclusive of this payment, a projected installment payment from Nestlé Health Science in July 2025 of $25 million (less up to approximate
New SER-155 Phase 1b study biomarker data in allogeneic hematopoietic stem cell transplantation (allo-HSCT) recipients demonstrate that SER-155 promoted epithelial barrier integrity and decreased systemic inflammatory biomarkers compared to placebo; data support the broader potential of Seres' live biotherapeutics to target inflammatory and immune diseases SER-155 clinical results accepted for 2025 TANDEM Meeting oral presentation in Best Abstracts in Infectious Diseases New SER-155 payer research underscores unmet need and supports potential as a substantial commercial opportunity Cash runway extended into Q1 2026 CAMBRIDGE, Mass., Jan. 09, 2025 (GLOBE NEWSWIRE) -- Seres Thera
CAMBRIDGE, Mass., Dec. 16, 2024 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (NASDAQ:MCRB), a leading live biotherapeutics company, today announced that management will participate in the 43rd Annual J.P. Morgan Healthcare Conference. Eric Shaff, President and Chief Executive Officer, will present a corporate overview on January 16, 2025 at 7:30 a.m. PT. Seres will highlight its plans to advance its biotherapeutics pipeline, focusing on SER-155, the Company's lead program. The Company recently announced that SER-155 received Breakthrough Therapy designation for the reduction of bloodstream infections (BSIs) in adults undergoing allogeneic hematopoietic stem cell transplant, to treat hemat
Designation based on encouraging Phase 1b clinical data, including that SER-155 resulted in a 77% relative risk reduction in bacterial bloodstream infections versus placebo Breakthrough Therapy meeting with FDA on next study of SER-155 in allo-HSCT expected in Q1 2025 Seres seeking SER-155 strategic partnership to accelerate next study in allo-HSCT and expand to multiple target populations CAMBRIDGE, Mass., Dec. 09, 2024 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (NASDAQ:MCRB) (Seres or the Company), a leading live biotherapeutics company, today announced that the US Food and Drug Administration (FDA) has granted Breakthrough Therapy designation to SER-155, the Company's lead in
Chardan Capital Markets downgraded Seres Therapeutics from Buy to Neutral and set a new price target of $6.00
JP Morgan downgraded Seres Therapeutics from Neutral to Underweight
Oppenheimer resumed coverage of Seres Therapeutics with a rating of Outperform and set a new price target of $12.00
JP Morgan initiated coverage of Seres Therapeutics with a rating of Neutral and set a new price target of $7.00
Canaccord Genuity reiterated coverage of Seres Therapeutics with a rating of Buy and set a new price target of $29.00 from $42.00 previously
Chardan Capital reiterated coverage of Seres Therapeutics with a rating of Buy and set a new price target of $16.00 from $30.00 previously
Oppenheimer reiterated coverage of Seres Therapeutics with a rating of Outperform and set a new price target of $18.00 from $36.00 previously
HC Wainwright & Co. reiterated coverage of Seres Therapeutics with a rating of Buy and set a new price target of $25.00 from $46.00 previously
Goldman Sachs downgraded Seres Therapeutics from Neutral to Sell and set a new price target of $7.00 from $24.00 previously
Goldman resumed coverage of Seres Therapeutics with a rating of Neutral and set a new price target of $24.00
For Immediate Release: April 26, 2023 Today, the U.S. Food and Drug Administration approved Vowst, the first fecal microbiota product that is taken orally. Vowst is approved for the prevention of recurrence of Clostridioides difficile (C. difficile) infection (CDI) in individuals 18 years of age and older, following antibacterial treatment for recurrent CDI. “Today’s approval provides patients and healthcare p
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O'Shea is a Seasoned Global Executive with more than 20 Years' Experience across the Agriculture, Food and Pharmaceutical Industries CAMBRIDGE, Mass., April 8, 2024 /PRNewswire/ -- Flagship Pioneering, the bioplatform innovation company, and Invaio Sciences, a bioplatform company accelerating the leap to nature-positive agriculture, today announced that Amy O'Shea has joined Flagship Pioneering as CEO-Partner and Invaio as Chief Executive Officer and Board Director. O'Shea is a seasoned global executive with more than 20 years' experience across the agriculture, food, and phar
Seres Therapeutics, Inc. (NASDAQ:MCRB), a leading microbiome therapeutics company, announced today that Marella Thorell will join as Executive Vice President and Chief Financial Officer (CFO), as of March 25th, following David Arkowitz's retirement. Mr. Arkowitz has served as CFO since June 2021 and will be available to assist in the transition. Ms. Thorell is a seasoned enterprise leader with deep life sciences and biotechnology industry experience in both public and private companies. Prior to joining Seres, she served in executive positions with Evelo Biosciences, Centessa Pharmaceuticals, Palladio Biosciences and Realm Therapeutics. "I am excited to welcome Marella and look forward
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Memorandum of Understanding with UK Government Outlines Areas of Cooperation CAMBRIDGE, Mass. and LONDON, Nov. 27, 2023 /PRNewswire/ -- Flagship Pioneering, the bioplatform innovation company, today marked the official launch of its UK presence with an event co-hosted in partnership with the UK Government's Office for Life Sciences, bringing together top leaders from industry, government, and academia with a focus on breakthrough innovation. The event marked Flagship's public announcement of its strategic commitment to the UK life sciences ecosystem a week after launching Quotient Therapeutics, its first company located in both the UK and US.
CAMBRIDGE, Mass., Oct. 2, 2023 /PRNewswire/ -- Flagship Pioneering, the bioplatform innovation company, and ProFound™ Therapeutics, a company pioneering the discovery of a vastly expanded human proteome and using its newfound insights to unlock a universe of potential new medicines, today announced that John Lepore, M.D., will join Flagship Pioneering as CEO-Partner, and ProFound as Chief Executive Officer, effective October 16, 2023. Dr. Lepore joins ProFound after 17 years at GSK where he had extensive experience leading large international R&D organizations across diverse t
ProFound™ Therapeutics, a company pioneering the discovery of a vastly expanded human proteome and using its newfound insights to unlock a universe of potential new medicines, today announced the appointment of Klaus Urbahns, Ph.D., as Chief Scientific Officer. Urbahns will lead the Company's platform and drug discovery and development efforts to advance first-in-class therapeutics leveraging the company's ProFoundry™ Platform. Urbahns brings three decades of robust drug discovery and development experience to ProFound, with a successful track record in discovering and advancing first-in-human medicines from the lab to the clinic. He joins ProFound after 13 years at Merck KGaA, where he m
CAMBRIDGE, Mass., Sept. 11, 2023 /PRNewswire/ -- Flagship Pioneering, the bioplatform innovation company, announced today the appointment of Amanda Kay as Senior Partner and Chief Business Development Officer. In this role, she will be responsible for driving and supporting business development across the Flagship ecosystem, leading the effort to forge strong partnerships between Flagship companies and the biopharma industry. She will also work closely with the Pioneering Medicines unit of Flagship as we continue to invest in and grow our corporate alliance strategy. "Partner
CAMBRIDGE, Mass., Aug. 29, 2023 /PRNewswire/ -- Flagship Pioneering, the bioplatform innovation company, announced today that pharma and healthcare leader David Khougazian is joining as Growth Partner. In this role, he will help scale and grow several Flagship-founded companies, working together with leaders at Flagship and its ecosystem of companies on organizational development, long-term strategy, financing, and business development. Khougazian joins Flagship from Sanofi where he spent over two decades most recently leading Sanofi's engagement in global emerging markets inc
CAMBRIDGE, Mass., Aug. 14, 2023 /PRNewswire/ -- Flagship Pioneering, the bioplatform innovation company, and Ampersand Biomedicines, a company programming smarter medicines that act specifically at the site of disease and nowhere else, today announced that Jason Gardner, Ph.D., has joined Flagship Pioneering as CEO-Partner, and Ampersand as Chief Executive Officer and member of its Board of Directors. Gardner brings more than two decades of leadership experience across pharmaceutical and biotechnology companies, with deep expertise in drug discovery and development, and a succ
Cellarity, a life sciences company founded by Flagship Pioneering to transform the way medicines are created, announced today the appointment of Gregory J. Moore, M.D., Ph.D., to the Company's Board of Directors. As the former Corporate Vice President for Microsoft, leading global health and life sciences, Dr. Moore brings extensive experience and expertise in integrating R&D, AI and machine learning, and cloud and data technologies to positively transform companies within the health and life sciences ecosystem. "Greg is an industry leader, driving technology and life sciences innovation at the intersection of medical and large-scale computation," said Stephen Berenson, Chairman of Cellar
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