Seres Therapeutics, Inc. (MCRB)

NASDAQ: MCRB · Real-Time Price · USD
7.92
-0.13 (-1.61%)
At close: May 22, 2026, 4:00 PM EDT
8.06
+0.14 (1.77%)
After-hours: May 22, 2026, 7:21 PM EDT
Market Cap76.70M +26.4%
Revenue (ttm)1.15M
Net Income-46.90M
EPS-5.17
Shares Out 9.68M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume21,028
Open7.97
Previous Close8.05
Day's Range7.64 - 8.10
52-Week Range6.56 - 29.98
Beta0.12
AnalystsStrong Buy
Price Target22.00 (+177.78%)
Earnings DateMay 5, 2026

About MCRB

Seres Therapeutics, Inc., a clinical-stage company, focuses on developing biotherapeutics for serious diseases. The company develops SER-155, an investigational oral live biotherapeutic to decolonize GI pathogens, enhance GI epithelial barrier integrity, and regulate immune response to prevent bacterial bloodstream infections, as well as other pathogen-associated negative clinical outcomes in patients undergoing allogeneic hematopoietic stem cell transplantation. It also develops SER-603, a LBP candidate optimized to treat disruptions in the GI... [Read more]

Industry Biotechnology
Sector Healthcare
IPO Date Jun 26, 2015
Employees 66
Stock Exchange NASDAQ
Ticker Symbol MCRB
Full Company Profile

Financial Performance

Financial Statements

Analyst Summary

According to one analyst, the rating for MCRB stock is "Strong Buy" and the 12-month stock price target is $22.0.

Price Target
$22.0
(177.78% upside)
Analyst Consensus: Strong Buy
Stock Forecasts

News

Seres Therapeutics Transcript: H.C. Wainwright 4th Annual BioConnect Investor Conference

The presentation highlighted advances in microbiome-based therapeutics, including a phase II-ready asset with strong efficacy data and the integration of generative AI into drug development. Near-term milestones include key clinical readouts and strategic partnerships, with a focus on high-need patient populations.

4 days ago - Transcripts

Seres Therapeutics to Participate in H.C. Wainwright 4th Annual BioConnect Investor Conference

CAMBRIDGE, Mass., May 12, 2026 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that management will attend the upcoming H.C.

11 days ago - GlobeNewsWire

Seres Therapeutics Reports First Quarter 2026 Financial Results and Provides Business Updates

Clinical readout from investigator-sponsored SER-155 study in immune checkpoint inhibitor-related enterocolitis expected in the coming weeks Seres maintains operational focus on advancing live biother...

18 days ago - GlobeNewsWire

Seres Therapeutics Earnings release: Q1 2026

Seres Therapeutics released its Q1 2026 earnings on May 5, 2026, summarizing the period's financial results.

18 days ago - Filings

Seres Therapeutics Quarterly report: Q1 2026

Seres Therapeutics has published its Q1 2026 quarterly earnings report on May 5, 2026.

18 days ago - Filings

Seres Therapeutics Presents Preclinical Data at Digestive Disease Week (DDW) 2026 Supporting SER-603, a Next-Generation Cultivated Live Biotherapeutic Candidate, for Inflammatory Bowel Disease

Data highlight both SER-603's rational design that targets microbial functions linked to mucosal healing and gastrointestinal inflammation in IBD, as well as the advancement of microbiome-based biomar...

19 days ago - GlobeNewsWire

Seres Therapeutics Proxy statement: Proxy filing

Seres Therapeutics filed a proxy statement on April 27, 2026, providing details for shareholder voting and corporate governance matters.

26 days ago - Filings

Seres Therapeutics Proxy statement: Proxy filing

Seres Therapeutics filed a proxy statement on April 27, 2026, providing details for shareholder voting and corporate governance matters.

26 days ago - Filings

Seres Therapeutics announces three presentations at 2026 ESCMID congress

Seres Therapeutics (MCRB) announced three presentations at the 2026 European Society of Clinical Microbiology and Infectious Diseases, ESCMID, global congress, taking place April 17-21 in Munich, Germ...

4 weeks ago - TheFly

Seres Therapeutics announces three presentations at 2026 ESCMID congress

Seres Therapeutics (MCRB) announced three presentations at the 2026 European Society of Clinical Microbiology and Infectious Diseases, ESCMID, global congress, taking place April 17-21 in Munich, Germ...

4 weeks ago - TheFly

Seres Therapeutics Showcases SER-155 Data and Live Biotherapeutic Insights at ESCMID Global 2026

Pharmacologic data highlight durable GI microbiome modulation, with improvement in epithelial barrier integrity, following SER-155 administration

4 weeks ago - GlobeNewsWire

Seres Therapeutics to Present at CARB-X Investor Day

CAMBRIDGE, Mass., April 09, 2026 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), (Seres or the Company), a leading live biotherapeutics company, today announced that it will present at th...

6 weeks ago - GlobeNewsWire

Seres Therapeutics Annual report: Q4 2025

Seres Therapeutics has published its Q4 2025 annual report on March 12, 2026.

2 months ago - Filings

Seres Therapeutics Earnings release: Q4 2025

Seres Therapeutics released its Q4 2025 earnings on March 12, 2026, summarizing the period's financial results.

2 months ago - Filings

Seres Therapeutics reports FY25 EPS 64c

Reports FY25 revenue $789k. “As highlighted in our recent announcements, we are prioritizing our promising inflammatory and immunology biotherapeutics portfolio, including SER-603 for inflammatory bow...

2 months ago - TheFly

Seres Therapeutics Reports Fourth Quarter and Full Year 2025 Financial Results and Provides Business Updates

Readout of investigator-sponsored SER-155 study in immune checkpoint–related enterocolitis, a frequent and serious side effect in cancer patients treated with immune checkpoint inhibitors, on track fo...

2 months ago - GlobeNewsWire

Seres Therapeutics Transcript: Status update

Management transitions and a focused strategy are driving live biotherapeutic programs in inflammatory and immune diseases. Key clinical milestones include an upcoming SER-155 irEC data readout and ongoing development of SER-603 for IBD. Cash runway extends through Q3 2026.

2 months ago - Transcripts

Seres Therapeutics Earnings release: Status update

Seres Therapeutics released its earnings on March 3, 2026, summarizing the period's financial results.

2 months ago - Filings

Seres co-CEOs Tom DesRosier, Marella Thorell to step down

Seres Therapeutics (MCRB) announced the appointment of Richard Kender as executive chair and interim CEO. Kender has served on the Seres board of directors since September 2014. Tom DesRosier and…

2 months ago - TheFly

Seres Therapeutics Announces Appointment of Richard N. Kender as Executive Chair and Interim CEO; Provides Business Updates

Accomplished pharmaceutical executive brings extensive business development, licensing and finance experience Seres is implementing a focused corporate strategy to advance live biotherapeutic programs...

2 months ago - GlobeNewsWire

Seres pauses investment in SER-155 program, reports workforce reduction of 30%

Seres Therapeutics (MCRB) announced that, following advancement of key startup activities for the SER-155 Phase 2 study in allo-HSCT, including the submission of a final protocol to the FDA, study…

3 months ago - TheFly

Seres Provides Program and Corporate Updates and Prioritizes Emerging Programs in Inflammatory & Immune Diseases

Seres has finalized the protocol for the Phase 2 study of SER-155 in patients undergoing allogeneic hematopoietic stem cell transplant (allo-HSCT) with the FDA and has advanced key study startup activ...

3 months ago - GlobeNewsWire

Seres announces publications in Nature Medicine, Journal of Infectious Diseases

Seres Therapeutics (MCRB) announced the publication of two manuscripts in Nature Medicine and the Journal of Infectious Diseases highlighting new insights into the functional mechanism and clinical im...

4 months ago - TheFly

Seres Therapeutics Announces Publications in Nature Medicine and Journal of Infectious Diseases Highlighting Vowst™ Mechanism of Action and Supporting Broader Live Biotherapeutic Strategy

Data demonstrate  clinical translation of VOWST mechanisms of action in both first and multiply recurrent CDI patients

4 months ago - GlobeNewsWire

Seres Therapeutics Transcript: Piper Sandler 37th Annual Healthcare Conference

The company is advancing SER-155 for allo-HSCT patients, showing strong phase Ib efficacy and safety, with FDA-aligned phase II plans and significant commercial potential. Expansion into broader indications and new programs like SER-603 for IBD are underway, supported by ongoing partnerships and funding through Q2 next year.

6 months ago - Transcripts