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Seres Therapeutics, Inc. (MCRB)

Healthcare | Biotechnology | Cambridge, United States | NasdaqGS
8.89 USD +0.06 (0.680%) ⇧ (April 17, 2026, 4 p.m. EDT)
After hours: 8.89

Short-term: ★☆☆☆☆ | Long-term: ★☆☆☆☆ | Dividends: ☆☆☆☆☆
Hot Take | April 18, 2026, 10:25 p.m. EDT

Despite the optimistic analyst target of $22 and positive long-term catalysts, Seres Therapeutics faces an imminent catastrophic short-term outlook. The company has paused its lead drug study (SER-155 Phase 2) and executed a 30% workforce reduction to conserve cash, eroding confidence in the pipeline's near-term viability. With a short ratio of 12.5x and negative earnings, the stock is technically in a downtrend below both 50-day and 200-day averages. The combination of halted clinical progress, massive headcount cuts, and deteriorating metrics makes this a 'sell' situation for income investors and a high-risk turnaround bet for growth investors, not a buy.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
MSTL ✓0.452569
AutoETS0.459096
AutoTheta0.459216
AutoARIMA0.506155

Forecast horizon: 45 days | Selected: MSTL

Forecast Reliability
Score 39%
H-stat 2.03
Ljung-Box p 0.000
Jarque-Bera p 0.000
Excess Kurtosis 0.30
Attribute Value
Sector Healthcare
Debt to Equity Ratio 187.629
Revenue per Share 0.089
Market Cap 85,222,192
Trailing P/E 13.89
Forward P/E -0.97
Beta 0.26
Profit Margins 721.93%
Website https://www.serestherapeutics.com

As of April 18, 2026, 10:25 p.m. EDT: Options activity highlights mixed conflicting signals with a defensive bias. Call data shows significant Open Interest concentrated 125%+ above ATM ($30 and $30 strikes for April/July) but extremely low volume, indicating synthetic long exposure or hedging rather than pure bullish bets. Conversely, Put Open Interest at deep ITM strikes ($12.5, $20, $30 for April) is substantial, acting as a high put-flat or crash hedge. The realized IV for these high strikes is extremely suppressed (0.0-$0.030) implying a lack of liquidity and aggressive pricing inefficiency. The skew suggests speculators are hedging a downside event or betting on a mega-move, rather than a standard bullish trend.


Info Dump

Attribute Value
52 Week Change 0.18850267
Address1 101 Cambridgepark Drive
All Time High 1,040.0
All Time Low 6.53
Ask 11.26
Ask Size 2
Audit Risk 6
Average Daily Volume10 Day 44,950
Average Daily Volume3 Month 66,079
Average Volume 66,079
Average Volume10Days 44,950
Beta 0.262
Bid 6.41
Bid Size 2
Board Risk 10
Book Value 4.627
City Cambridge
Compensation As Of Epoch Date 1,735,603,200
Compensation Risk 5
Country United States
Crypto Tradeable 0
Currency USD
Current Price 8.89
Current Ratio 2.555
Custom Price Alert Confidence HIGH
Date Short Interest 1,774,915,200
Day High 9.105
Day Low 8.67
Debt To Equity 187.629
Display Name Seres Therapeutics
Earnings Call Timestamp End 1,762,349,400
Earnings Call Timestamp Start 1,762,349,400
Earnings Timestamp 1,773,318,600
Earnings Timestamp End 1,778,070,600
Earnings Timestamp Start 1,778,070,600
Ebitda -89,838,000
Ebitda Margins 0.0
Enterprise To Ebitda -1.363
Enterprise To Revenue 155.161
Enterprise Value 122,422,192
Eps Current Year -8.23
Eps Forward -9.17
Eps Trailing Twelve Months 0.64
Esg Populated 0
Exchange NMS
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 9.3339
Fifty Day Average Change -0.4439001
Fifty Day Average Change Percent -0.047557835
Fifty Two Week Change Percent 18.850267
Fifty Two Week High 29.98
Fifty Two Week High Change -21.09
Fifty Two Week High Change Percent -0.703469
Fifty Two Week Low 6.53
Fifty Two Week Low Change 2.3600001
Fifty Two Week Low Change Percent 0.3614089
Fifty Two Week Range 6.53 - 29.98
Financial Currency USD
First Trade Date Milliseconds 1,435,325,400,000
Float Shares 7,284,149
Forward Eps -9.17
Forward P E -0.9694657
Free Cashflow -54,955,876
Full Exchange Name NasdaqGS
Full Time Employees 66
Gmt Off Set Milliseconds -14,400,000
Governance Epoch Date 1,775,001,600
Gross Margins 0.0
Gross Profits -54,815,000
Has Pre Post Market Data 1
Held Percent Insiders 0.11829001
Held Percent Institutions 0.25629
Implied Shares Outstanding 9,586,298
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Last Split Date 1,745,280,000
Last Split Factor 1:20
Long Business Summary 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 microbiome and to improve GI mucosal barrier integrity through the inhibition of inflammatory bacteria and associated metabolites; and SER-147, a live biotherapeutic composition to prevent bacterial bloodstream and spontaneous bacterial peritonitis infections in patients with metabolic disease, including chronic liver 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.
Long Name Seres Therapeutics, Inc.
Market us_market
Market Cap 85,222,192
Market State CLOSED
Max Age 86,400
Message Board Id finmb_222388947
Most Recent Quarter 1,767,139,200
Net Income To Common 5,696,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 84,934,600
Number Of Analyst Opinions 1
Open 8.67
Operating Cashflow 1,117,000
Operating Margins -44.23973
Overall Risk 9
Payout Ratio 0.0
Phone 617 945 9626
Post Market Change 0.0
Post Market Change Percent 0.0
Post Market Price 8.89
Post Market Time 1,776,456,605
Previous Close 8.83
Price Eps Current Year -1.0801945
Price Hint 2
Price To Book 1.9213314
Price To Sales Trailing12 Months 108.01292
Profit Margins 7.21926
Quick Ratio 2.395
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key none
Region US
Regular Market Change 0.0600004
Regular Market Change Percent 0.679506
Regular Market Day High 9.105
Regular Market Day Low 8.67
Regular Market Day Range 8.67 - 9.105
Regular Market Open 8.67
Regular Market Previous Close 8.83
Regular Market Price 8.89
Regular Market Time 1,776,456,001
Regular Market Volume 105,118
Return On Assets -0.42253
Return On Equity 0.19641
Revenue Per Share 0.089
Sand P52 Week Change 0.38150132
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Share Holder Rights Risk 9
Shares Outstanding 9,586,298
Shares Percent Shares Out 0.0623
Shares Short 597,314
Shares Short Previous Month Date 1,772,150,400
Shares Short Prior Month 655,113
Short Name Seres Therapeutics, Inc.
Short Percent Of Float 0.096099995
Short Ratio 12.51
Source Interval 15
State MA
Symbol MCRB
Target High Price 22.0
Target Low Price 22.0
Target Mean Price 22.0
Target Median Price 22.0
Total Cash 45,766,000
Total Cash Per Share 4.774
Total Debt 82,966,000
Total Revenue 789,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps 0.64
Trailing P E 13.890626
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 14.731775
Two Hundred Day Average Change -5.841775
Two Hundred Day Average Change Percent -0.3965425
Type Disp Equity
Volume 105,118
Website https://www.serestherapeutics.com
Zip 2,140