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Seres Therapeutics Inc stock is traded at $4.51, with a volume of 34,092. It is down -0.22% in the last 24 hours and down -15.01% over the past month. Seres Therapeutics Inc is a clinical-stage biotechnology company focused on the development of live biotherapeutic candidates. Its pipeline includes candidates such as SER-155 and SER-603, aimed at preventing and treating bacterial infections, antimicrobial resistance, and gastrointestinal immune diseases. The company operates as a single reportable segment, mainly developing microbiome-based therapies targeting bacterial infections, antimicrobial resistance, and gastrointestinal immune diseases.
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Previous Close:
$4.54
Open:
$4.55
24h Volume:
34,092
Relative Volume:
0.40
Market Cap:
$45.20M
Revenue:
$1.15M
Net Income/Loss:
$-46.90M
P/E Ratio:
-0.8987
EPS:
-5.0182
Net Cash Flow:
$-42.37M
1W Performance:
-9.40%
1M Performance:
-15.01%
6M Performance:
-45.29%
1Y Performance:
-72.86%
1-Day Range:
Value
$4.43
$4.62
1-Week Range:
Value
$4.43
$4.94
52-Week Range:
Value
$4.43
$29.98

Seres Therapeutics Inc Stock (MCRB) Company Profile

Name
Name
Seres Therapeutics Inc
Name
Phone
617 945 9626
Name
Address
200 SIDNEY STREET, CAMBRIDGE, MA
Name
Employee
66
Name
Twitter
@SeresTX
Name
Next Earnings Date
2026-08-05
Name
Latest SEC Filings
Name
MCRB's Discussions on Twitter

Compare MCRB vs VRTX, REGN, ARGX, RVMD, ONC

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
MCRB icon
MCRB
Seres Therapeutics Inc
4.50 45.60M 1.15M -46.90M -42.37M -5.0182
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
515.31 128.19B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
806.34 82.72B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
992.59 53.26B 4.16B 1.29B 734.26M 19.58
RVMD icon
RVMD
Revolution Medicines Inc
215.54 43.66B 742.00K -1.37B -1.07B -7.0731
ONC icon
ONC
Beone Medicines Ltd Adr
362.30 39.31B 5.76B 514.49M 1.10B 4.4813

Seres Therapeutics Inc Stock (MCRB) Upgrades & Downgrades

Date Action Analyst Rating Change
May-08-25 Downgrade Chardan Capital Markets Buy → Neutral
Oct-24-24 Downgrade JP Morgan Neutral → Underweight
Jun-26-23 Resumed Oppenheimer Outperform
Apr-21-23 Initiated JP Morgan Neutral
Jul-23-21 Downgrade Goldman Neutral → Sell
May-18-21 Resumed Goldman Neutral
Mar-05-21 Upgrade Chardan Capital Markets Neutral → Buy
Sep-18-20 Downgrade Chardan Capital Markets Buy → Neutral
Aug-18-20 Initiated Piper Sandler Overweight
Aug-11-20 Reiterated H.C. Wainwright Buy
Aug-11-20 Upgrade Jefferies Hold → Buy
Apr-30-19 Initiated Jefferies Hold
Oct-22-18 Initiated Chardan Capital Markets Buy
Oct-13-17 Initiated Oppenheimer Outperform
Aug-04-17 Reiterated H.C. Wainwright Buy
Feb-01-17 Reiterated FBR & Co. Outperform
Aug-12-16 Reiterated FBR Capital Outperform
Aug-01-16 Downgrade BofA/Merrill Buy → Neutral
Aug-01-16 Reiterated H.C. Wainwright Buy
Jul-29-16 Resumed H.C. Wainwright Buy
Mar-30-16 Initiated FBR Capital Outperform
Mar-03-16 Initiated Guggenheim Buy
Jan-25-16 Initiated H.C. Wainwright Buy
Oct-22-15 Upgrade BofA/Merrill Neutral → Buy
Jul-22-15 Initiated Canaccord Genuity Buy
Jul-21-15 Initiated Goldman Neutral
Jul-21-15 Initiated Leerink Partners Outperform
View All

Seres Therapeutics Inc Stock (MCRB) Latest News

pulisher
Aug 16, 2026

Seres Therapeutics, Inc. Revenue Breakdown – NASDAQ:MCRB - TradingView

Aug 16, 2026
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Aug 13, 2026

Seres TherapeuticsMay Offer Up To $300 Million Of Securities - TradingView

Aug 13, 2026
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Aug 08, 2026

MCRB Stock Declines As Seres Therapeutics Pauses SER-155 Phase 2 Study And Shrinks Headcount By 30% - Stocktwits

Aug 08, 2026
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Aug 07, 2026

Seres Therapeutics Inc (MCRB) Earnings Forecast: Future EPS & Revenue Growth Estimates - TradingKey

Aug 07, 2026
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Aug 05, 2026

Seres Therapeutics exits more Cambridge real estate early - The Business Journals

Aug 05, 2026
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Aug 05, 2026

Seres Therapeutics Inc earnings beat by $2.77, revenue topped estimates - Investing.com

Aug 05, 2026
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Aug 05, 2026

Seres Therapeutics Q2 Operating Income USD -2 - Moomoo

Aug 05, 2026
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Aug 05, 2026

Seres Therapeutics, Inc. 2Q 2026: Revenue $0.736M, Net income $4.581M, EPS $0.47— 10-Q Summary - TradingView

Aug 05, 2026
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Aug 05, 2026

Seres Therapeutics, Inc. reports results for the quarter ended June 30Earnings Summary - TradingView

Aug 05, 2026
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Aug 05, 2026

Seres Therapeutics (MCRB) Q2 Revenue Surpasses Expectations Amid Clinical Progress - GuruFocus

Aug 05, 2026
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Aug 05, 2026

Seres Therapeutics Reports Second Quarter 2026 Financial Results and Provides Business Updates, Including Further Action to Reduce Ongoing Facilities Costs - The Manila Times

Aug 05, 2026
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Aug 05, 2026

Seres Therapeutics Q2 Net Income Reaches $4.6 Million - Quiver Quantitative

Aug 05, 2026
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Aug 05, 2026

Seres Therapeutics: Q2 Earnings Snapshot - marketscreener.com

Aug 05, 2026
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Aug 05, 2026

Seres Therapeutics reports Q2 2026 net income of $4.6M, cash $15.6M, advances SER-155 clinical plans - TradingView

Aug 05, 2026
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Aug 05, 2026

MCRB: Returned to profitability in Q2 2026, driven by VOWST sale gains and SER-155 trial success - TradingView

Aug 05, 2026
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Aug 05, 2026

Q2 2026 financial results released as Seres Therapeutics advances business update - Traders Union

Aug 05, 2026
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Aug 05, 2026

Seres Therapeutics Reports Second Quarter 2026 Financial - GlobeNewswire

Aug 05, 2026
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Aug 04, 2026

Seres Therapeutics Streamlines Cambridge Operations with Lease Changes - TipRanks

Aug 04, 2026
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Aug 04, 2026

MCRB Q2'26 Earnings: EPS estimate is (2.19) USD - TradingView

Aug 04, 2026
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Jul 31, 2026

Seres Therapeutics Inc expected to post a loss of $2.18 a shareEarnings Preview - TradingView

Jul 31, 2026
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Jul 29, 2026

MCRB Q2'26 Earnings: revenue estimate is 179.00K USD - TradingView

Jul 29, 2026
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Jul 27, 2026

Seres Therapeutics Inc (MCRB) Dividends & Stock Splits: Historical Payouts and Event Timeline - TradingKey

Jul 27, 2026
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Jul 27, 2026

Seres Therapeutics Inc (MCRB) Shareholder Structure: Major Shareholders & Institutional Holdings - TradingKey

Jul 27, 2026
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Jul 27, 2026

Seres Therapeutics (MCRB) Slides Slightly as Stock Tests Key Support LevelChange of Character - dars.gov.et

Jul 27, 2026
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Jul 26, 2026

TradingKey - TradingKey

Jul 26, 2026
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Jul 25, 2026

Seres Therapeutics Inc (MCRB) Revenue Breakdown: Business Segments, Regional Revenue & Profit Contribution - TradingKey

Jul 25, 2026
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Jul 25, 2026

Seres Therapeutics Inc Revenue Breakdown – BX:MCRB - TradingView

Jul 25, 2026
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Jul 24, 2026

Seres Therapeutics Inc (MCRB) Financial Health: Profitability & Balance Sheet Analysis - TradingKey

Jul 24, 2026
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Jul 24, 2026

MCRB|Seres Therapeutics Inc|Price:4.980|Chg%:-0.250 - TradingKey

Jul 24, 2026
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Jul 24, 2026

Seres Therapeutics Inc (MCRB) Risk Assessment: Volatility, Financial Risk & Investment Risk - TradingKey

Jul 24, 2026
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Jul 21, 2026

Seres Therapeutics (MCRB) H.C. Wainwright 4th Annual BioConnect Investor Conference summary - Quartr

Jul 21, 2026
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Jul 20, 2026

Seres Therapeutics Slides 5.25% as MCRB Approaches Critical Support at $4.80Symmetrical Triangle - dars.gov.et

Jul 20, 2026
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Jul 11, 2026

Seres Therapeutics (MCRB) Plunges 9%: Key Support and Resistance Levels in FocusIsland Reversal - dars.gov.et

Jul 11, 2026
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Jul 10, 2026

Form 4 Seres Therapeutics Inc For: 10 July By Investing.com - Investing.com South Africa

Jul 10, 2026
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Jul 10, 2026

Seres Therapeutics (MCRB) awards director Eric Shaff 6,500 stock options at $7.14 - Stock Titan

Jul 10, 2026
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Jul 10, 2026

Seres Therapeutics (MCRB) awards 6,500-share stock option grant to director Dere - Stock Titan

Jul 10, 2026
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Jul 10, 2026

[Form 4] Seres Therapeutics, Inc. Insider Trading Activity - Stock Titan

Jul 10, 2026
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Jul 10, 2026

Seres Therapeutics (MCRB) awards 6,500 stock options to director Claire Fraser - Stock Titan

Jul 10, 2026
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Jul 10, 2026

Seres Therapeutics (MCRB) awards 6,500 stock options to director Robert L. Rosiello - Stock Titan

Jul 10, 2026
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Jul 10, 2026

Seres Therapeutics (MCRB) awards 6,500 stock options to director Stephen Berenson - Stock Titan

Jul 10, 2026
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Jul 10, 2026

Seres Therapeutics’ SER-155 Posts 80% Response in Cancer Immunotherapy GI Toxicity Study - Yahoo Finance

Jul 10, 2026
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Jul 08, 2026

Seres Therapeutics, Inc. Amends and Restates 2025 Incentive Award Plan in SEC 8-K Filing - Minichart

Jul 08, 2026
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Jul 08, 2026

Seres Therapeutics Shareholders Approve Directors and Executive Pay - TipRanks

Jul 08, 2026
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Jul 08, 2026

Seres Therapeutics (NASDAQ: MCRB) investors back 900,000-share 2025 incentive plan increase - Stock Titan

Jul 08, 2026
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Jul 08, 2026

Seres Therapeutics (MCRB) Q4 2025 earnings summary - Quartr

Jul 08, 2026
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Jul 08, 2026

Why Is Seres Therapeutics Stock Falling Today?Seres Therapeutics (NASDAQ:MCRB) - Benzinga

Jul 08, 2026
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Jul 08, 2026

Seres Therapeutics, Inc. (MCRB) Discusses Promising SER-155 Clinical Trial Results for Immune Checkpoint Inhibitor Related AndropilatisSlideshow (NASDAQ:MCRB) 2026-07-08 - Seeking Alpha

Jul 08, 2026
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Jul 08, 2026

Seres Therapeutics reports positive early SER-155 data - grafa.com

Jul 08, 2026
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Jul 08, 2026

Seres’ SER-155 takes on immune checkpoint inhibitor-related enterocolitis - BioWorld News

Jul 08, 2026
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Jul 08, 2026

MCRB: All proposals, including director elections and incentive plan amendment, were approved - TradingView

Jul 08, 2026
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Jul 08, 2026

Seres reports trial results for experimental colitis treatment - Investing.com

Jul 08, 2026

Seres Therapeutics Inc Stock (MCRB) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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Seres Therapeutics Inc Stock (MCRB) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
Shaff Eric D.
Director
May 18 '26
Sale
7.53
259
1,950
12,040
DesRosier Thomas
See Remarks
May 18 '26
Sale
7.53
79
595
7,954
Henn Matthew R
See Remarks
May 18 '26
Sale
7.53
77
580
7,838
Brady Kelly
See Remarks
May 18 '26
Sale
7.53
59
444
8,562
$64.75
price up icon 2.24%
$36.34
price up icon 0.33%
$59.21
price up icon 0.99%
$127.69
price up icon 3.10%
$224.88
price down icon 1.78%
ONC ONC
$361.87
price up icon 3.91%
Cap:     |  Volume (24h):