MCRB

Seres Therapeutics, Inc.

Nasdaq · Pharmaceutical Preparations · Inc. DE · CIK 0001609809
$6.28 -5.28% $61.3M
Insider Selling Cluster (4 insiders)High Impact Filing (7/10)3 New Institutional Positions
Vol
Market Cap$61.3M
Cap SizeMicro Cap
Analyst ConsensusStrong Buy (86%)
Inst. Holders7 funds
Inst. Value$6.1M
Inst. Activity3 buys / 1 sells
Insider Activity0B / 4S
Insider Net $-$3.6K
SEC Reports5
Press Releases3
Exchange Nasdaq·Sector Pharmaceutical Preparations·Inc. DE·CIK 0001609809·Prev Close $6.63

Recent Activity

Jun 5, 2026 SEC
Seres Therapeutics announced two balance-sheet-strengthening transactions: a $25M buyout of contingent VOWST milestones
8-K — Impact 6/10
Jun 5, 2026 Press
Seres Therapeutics announced a $25M buyout of future VOWST milestones from Nestlé Health Science and a lease restructuri
Impact 5/10
Jun 5, 2026 contract
Seres Therapeutics Announces Two Transactions to Strengthen Balance Sheet, Reduce On-Going Lease Costs and Extend Projected Operating Cash Runway Well Into the First Quarter of 2027
<p align="center"><em>Agreement with Nestlé Health Science provides $25 million payable to Seres in
May 19, 2026 SEC
Four corporate officers and one director sold a total of 474 shares for ~$3,569 in open-market transactions on May 18, 2
CLUSTER — Impact 2/10
May 18, 2026 Insider
DesRosier Thomas sold 79 shares
See Remarks @ $7.53 ($594.87)
May 18, 2026 Insider
Shaff Eric D. sold 259 shares
Director @ $7.53 ($2.0K)
May 18, 2026 Insider
Henn Matthew R sold 77 shares
See Remarks @ $7.53 ($579.81)
May 5, 2026 SEC
Seres Therapeutics reported Q1 2026 net loss of $19.9M vs net income of $32.7M in Q1 2025 (which included a $50M Nestlé
PRESS-RELEASE — Impact 7/10

Price Targets

$22.00 +247.6% upside Strong Buy
Current $6.33 Low $22.00 Median $22.00 High $22.00 1 analysts
$22.00 $22.00

Analyst Ratings

Strong Buy86% buy · 7 analysts
2Strong Buy
4Buy
1Hold
0Sell
0Strong Sell
Recent Analyst Actions
DateFirmActionRating
Mar 13, 2026 Canaccord Genuity MAINTAIN Buy → Buy

Earnings Estimates

PeriodEPS Est.RangeGrowth#
Current Q $-2.30 ▼ -9.0% $-2.30 — $-2.30 -1% YoY 1
Next Q $-2.37 ▼ -9.2% $-2.37 — $-2.37 -352% YoY 1
Current FY $-9.19 ▼ -11.7% $-9.19 — $-9.19 -1536% YoY 1
Next FY $-10.28 ▼ -12.1% $-10.28 — $-10.28 -12% YoY 1

Top Institutional Holders

FundValueMove
VANGUARD GROUP INC$4.8MNEW
CHARLES SCHWAB INVESTMENT MANAGEMENT$466.8KNEW
TWO SIGMA INVESTMENTS, LP$383.1KNEW
MORGAN STANLEY$373.9KADD
FMR LLC$25.9KNEAR_EXIT

Recent Insider Trades

DateInsiderTypeValue
May 18, 2026DesRosier ThomasSELL$594.87
May 18, 2026Shaff EricSELL$2.0K
May 18, 2026Henn MatthewSELL$579.81
May 18, 2026Brady KellySELL$444.27
May 15, 2026Brady KellyM$0.00
7 institutional holders with $6.1M total value (408,653 shares) as of 2025-Q4. Top holders: VANGUARD, CHARLES, TWO. Net buying activity: 3 institutions added/increased vs 1 reduced.

Top Institutional Holders — 2025-Q4

#FundSharesValue% of TrackedLast Move
1VANGUARD GROUP INC324,214$4.8M79.3%NEW
2CHARLES SCHWAB INVESTMENT MANAGEMENT INC31,369$466.8K7.7%NEW
3TWO SIGMA INVESTMENTS, LP25,749$383.1K6.3%NEW
4MORGAN STANLEY25,126$373.9K6.1%ADD +37.0%
5FMR LLC1,740$25.9K0.4%NEAR_EXIT -99.3%
6WELLS FARGO & COMPANY/MN260$3.9K0.1%DOUBLED +2500.0%
7BANK OF AMERICA CORP /DE/195$2.9K0.0%NEAR_EXIT -96.4%

Recent Position Changes

FundActionPrev SharesCurr SharesChange %ValueQuarter
TWO SIGMA INVESTMENTS, LPNEW25,749$383.1K2025-Q4
MORGAN STANLEYADD18,33425,126+37.0%$373.9K2025-Q4
WELLS FARGO & COMPANY/MNDOUBLED10260+2500.0%$3.9K2025-Q4
BANK OF AMERICA CORP /DE/NEAR_EXIT5,343195-96.4%$2.9K2025-Q4
MORGAN STANLEYDOUBLED7,83818,334+133.9%$352.7K2025-Q3
UBS Group AGADD7,53212,682+68.4%$244.0K2025-Q3
BANK OF AMERICA CORP /DE/DOUBLED1865,343+2772.6%$102.8K2025-Q3
FMR LLCNEAR_EXIT268,7041,882-99.3%$36.2K2025-Q3
VANGUARD GROUP INCNEW292,096$3.2M2025-Q2
FMR LLCNEW268,704$3.0M2025-Q2
CHARLES SCHWAB INVESTMENT MANAGEMENT INCNEW34,876$387.5K2025-Q2
MORGAN STANLEYNEW7,838$87.1K2025-Q2
UBS Group AGNEW7,532$83.7K2025-Q2
6 unique insiders with 4 transactions. Net insider value: -$3.6K ($0.00 bought, $3.6K sold).

Insider Transactions

DateInsiderTitleTypeSharesPriceValue
May 18, 2026DesRosier ThomasSee RemarksSELL79$7.53$594.87
May 18, 2026Shaff Eric D.DirectorSELL259$7.53$2.0K
May 18, 2026Henn Matthew RSee RemarksSELL77$7.53$579.81
May 18, 2026Brady KellySee RemarksSELL59$7.53$444.27
May 15, 2026Brady KellySee RemarksM180$0.00$0.00
May 15, 2026Shaff Eric D.DirectorM391$0.00$0.00
May 15, 2026DesRosier ThomasSee RemarksM244$0.00$0.00
May 15, 2026Brady KellySee RemarksM89$0.00$0.00
May 15, 2026Henn Matthew RSee RemarksM141$0.00$0.00
May 15, 2026Shaff Eric D.DirectorM722$0.00$0.00
May 15, 2026Henn Matthew RSee RemarksM238$0.00$0.00
May 15, 2026DesRosier ThomasSee RemarksM133$0.00$0.00
Mar 4, 2026Kender Richard NSee RemarksA150,000$0.00$0.00
Mar 4, 2026Henn Matthew RSee RemarksA75,000$0.00$0.00
Mar 4, 2026Thorell MarellaSee RemarksA22,500$0.00$0.00
Mar 4, 2026DesRosier ThomasSee RemarksA22,500$0.00$0.00
Mar 4, 2026Brady KellySee RemarksA56,250$0.00$0.00
Current analyst consensus: Strong Buy (86% buy). Based on 7 analysts: 2 strong buy, 4 buy, 1 hold, 0 sell, 0 strong sell.

Analyst Price Targets

$22.00 mean target +247.6% upside Strong Buy (3.00)
$22.00 Low $22.00 High
MetricValue
Current Price$6.33
Target Low$22.00
Target Mean$22.00
Target Median$22.00
Target High$22.00
# Analysts1
RecommendationStrong Buy (3.00)

Earnings Estimates & Revisions

PeriodEPS AvgEPS LowEPS HighEPS Growth30d Rev.Up/DownRev. AvgRev. GrowthAnalysts
Current Q
2026-06-30
$-2.30 $-2.30 $-2.30 -1.3% -9.0% $0.0B 0.0% 1
Next Q
2026-09-30
$-2.37 $-2.37 $-2.37 -352.1% -9.2% $0.0B -100.0% 1
Current FY
2026-12-31
$-9.19 $-9.19 $-9.19 -1535.9% -11.7% 0↑ 1↓ $0.0B -99.9% 1
Next FY
2027-12-31
$-10.28 $-10.28 $-10.28 -11.9% -12.1% 0↑ 1↓ $0.0B 0.0% 1

Current Quarter EPS Revision History

TimepointEPS EstimateChange
Current$-2.300
7d ago$-2.110-0.190
30d ago$-2.110-0.190
60d ago$0.000-2.300
90d ago$0.000-2.300
1 analyst firms have rated this stock: 0 upgrades, 0 downgrades, 0 initiations.

Individual Analyst Actions

DateAnalyst FirmActionPrevious RatingNew Rating
Mar 13, 2026 Canaccord Genuity MAINTAIN Buy Buy

Monthly Consensus History

PeriodStrong BuyBuyHoldSellStrong SellBuy %Distribution
Jun 1, 20262410086%
May 1, 20262410086%
Apr 1, 20262410086%
Mar 1, 20262430067%
Feb 1, 20262430067%
Jan 1, 20262430067%
Strong BuyBuyHoldSellStrong Sell

No congressional trading data available for this ticker. Data is sourced from Senate and House financial disclosure filings.

No Reddit sentiment data available yet. Sentiment is analyzed from Reddit investment communities on a rolling basis.

Jun 5, 2026
contract
Seres Therapeutics Announces Two Transactions to Strengthen Balance Sheet, Reduce On-Going Lease Costs and Extend Projected Operating Cash Runway Well Into the First Quarter of 2027
<p align="center"><em>Agreement with Nestlé Health Science provides $25 million payable to Seres in 2026 as a buy-out of potential future VOWST™ net s
May 5, 2026
earnings
Seres Therapeutics Reports First Quarter 2026 Financial Results and Provides Business Updates
<p align="center"><em>Clinical readout from investigator-sponsored SER-155 study in immune checkpoint inhibitor-related enterocolitis expected in the
May 5, 2026
earnings_calendar
MCRB Q1 2026 Earnings Scheduled — 2026-05-05
May 4, 2026
fda
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
<p align="center"><em>Data highlight both SER-603’s rational design that targets microbial functions linked to mucosal healing and gastrointestinal in
Apr 20, 2026
other
Seres Therapeutics Showcases SER-155 Data and Live Biotherapeutic Insights at ESCMID Global 2026
<p align="center"><em>Pharmacologic data highlight durable GI microbiome modulation, with improvement in epithelial barrier integrity, following SER-1
Apr 20, 2026
other
Seres Therapeutics Showcases SER-155 Data and Live Biotherapeutic Insights at ESCMID Global 2026
<p align="center"><em>Pharmacologic data highlight durable GI microbiome modulation, with improvement in epithelial barrier integrity, following SER-1
Mar 12, 2026
earnings
Seres Therapeutics Reports Fourth Quarter and Full Year 2025 Financial Results and Provides Business Updates
<p align="center"><em>Readout of investigator-sponsored SER-155 study in immune checkpoint–related enterocolitis, a frequent and serious side effect i
Mar 11, 2026
earnings_calendar
MCRB Q4 2025 Earnings After Market Close — 2026-03-11
Mar 2, 2026
other
Seres Therapeutics Announces Appointment of Richard N. Kender as Executive Chair and Interim CEO; Provides Business Updates
<p align="center"><em>Accomplished pharmaceutical executive brings extensive business development, licensing and finance experience</em></p>