0.5218
price down icon10.03%   -0.0582
after-market After Hours: .51 -0.0118 -2.26%
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Gossamer Bio Inc stock is traded at $0.5218, with a volume of 21.09M. It is down -10.03% in the last 24 hours and down -78.57% over the past month. Gossamer Bio Inc is a clinical-stage biopharmaceutical company. It focuses on discovering, acquiring, developing, and commercializing therapeutics in the disease areas of immunology, inflammation, and oncology. The company pipeline products include Seralutinib, which address the cellular overgrowth, fibrosis, and vascular remodeling which underlie PAH (pulmonary arterial hypertension); GB004, for the treatment of inflammatory bowel disease, including ulcerative colitis and Crohn's disease; GB1275, for the treatment of oncology indications; and GB001, for the treatment of moderate-to-severe eosinophilic asthma.
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Previous Close:
$0.58
Open:
$0.5701
24h Volume:
21.09M
Relative Volume:
1.66
Market Cap:
$120.77M
Revenue:
-
Net Income/Loss:
$-179.82M
P/E Ratio:
-0.3923
EPS:
-1.33
Net Cash Flow:
$-159.16M
1W Performance:
+29.80%
1M Performance:
-78.57%
6M Performance:
-82.25%
1Y Performance:
-55.78%
1-Day Range:
Value
$0.4755
$0.5701
1-Week Range:
Value
$0.39
$0.5982
52-Week Range:
Value
$0.3312
$3.87

Gossamer Bio Inc Stock (GOSS) Company Profile

Name
Name
Gossamer Bio Inc
Name
Phone
(858) 684-1300
Name
Address
3115 MERRYFIELD ROW, SAN DIEGO, CA
Name
Employee
145
Name
Twitter
@GossamerBio
Name
Next Earnings Date
2024-11-07
Name
Latest SEC Filings
Name
GOSS's Discussions on Twitter

Compare GOSS vs VRTX, REGN, ARGX, ALNY, ONC

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Biotechnology icon
GOSS
Gossamer Bio Inc
0.5218 134.24M 0 -179.82M -159.16M -1.33
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
460.82 121.40B 12.07B 3.95B 3.19B 15.33
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
764.93 83.25B 14.34B 4.50B 3.77B 41.56
Biotechnology icon
ARGX
Argen X Se Adr
728.11 46.39B 4.16B 1.29B 734.26M 19.59
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
320.51 43.41B 3.71B 313.75M 465.38M 2.2571
Biotechnology icon
ONC
Beone Medicines Ltd Adr
292.94 33.09B 5.36B 287.73M 924.18M 2.5229

Gossamer Bio Inc Stock (GOSS) Upgrades & Downgrades

Date Action Analyst Rating Change
Jan-28-26 Initiated Barclays Overweight
Sep-10-25 Upgrade UBS Neutral → Buy
Jul-14-25 Initiated Scotiabank Sector Outperform
Jun-25-24 Initiated Oppenheimer Outperform
Apr-05-24 Resumed Wedbush Outperform
Jul-27-23 Downgrade UBS Buy → Neutral
Mar-07-23 Downgrade Raymond James Outperform → Mkt Perform
Mar-01-23 Initiated Guggenheim Neutral
Dec-07-22 Downgrade Barclays Overweight → Equal Weight
Dec-07-22 Downgrade JP Morgan Neutral → Underweight
Dec-07-22 Downgrade SMBC Nikko Outperform → Neutral
Oct-20-22 Initiated Goldman Buy
Sep-21-22 Initiated JP Morgan Neutral
Sep-19-22 Initiated Wedbush Outperform
Apr-18-22 Initiated Raymond James Outperform
Apr-06-22 Initiated UBS Buy
Jan-10-22 Upgrade SMBC Nikko Neutral → Outperform
Nov-09-21 Resumed Cantor Fitzgerald Overweight
Sep-21-21 Resumed Piper Sandler Overweight
Jun-29-20 Initiated H.C. Wainwright Buy
Apr-22-20 Initiated Piper Sandler Overweight
Feb-27-20 Initiated Barclays Overweight
Dec-03-19 Resumed BofA/Merrill Buy
Oct-30-19 Initiated Berenberg Buy
Mar-05-19 Initiated Barclays Overweight
Mar-05-19 Initiated BofA/Merrill Buy
Mar-05-19 Initiated Evercore ISI Outperform
Mar-05-19 Initiated SVB Leerink Outperform
View All

Gossamer Bio Inc Stock (GOSS) Latest News

pulisher
02:00 AM

Oppenheimer Lowers Gossamer Bio (NASDAQ:GOSS) Price Target to $3.00 - MarketBeat

02:00 AM
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01:36 AM

Oppenheimer Maintains Outperform Rating, Lowers PT on Gossamer B - GuruFocus

01:36 AM
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12:05 PM

12 Health Care Stocks Moving In Thursday's Intraday Session - Benzinga

12:05 PM
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11:28 AM

Earnings Preview: Gossamer Bio (GOSS) Q4 Earnings Expected to Decline - Finviz

11:28 AM
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09:00 AM

GOSS: Management Optimistic About Topline Results -- LEVI & KORSINSKY, LLP Investigates After Trial Fails - GlobeNewswire

09:00 AM
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06:29 AM

GOSS: Announces Topline Results for Phase 3 PROSERA Trial — LEVI & KORSINSKY, LLP - The Malaysian Reserve

06:29 AM
pulisher
Mar 04, 2026

Gossamer Bio, Inc. (GOSS) Investigation: Bronstein, Gewirtz & Grossman, LLC Encourages Shareholders to Contact the Firm to Learn More About the Investigation - ACCESS Newswire

Mar 04, 2026
pulisher
Mar 04, 2026

Gossamer Bio, Inc. (NASDAQ:GOSS) Given Average Rating of "Hold" by Brokerages - MarketBeat

Mar 04, 2026
pulisher
Mar 03, 2026

Bronstein, Gewirtz & Grossman, LLC Is Investigating Gossamer Bio, Inc. (GOSS) And Encourages Investors to Connect - ACCESS Newswire

Mar 03, 2026
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Mar 03, 2026

GOSS Stock Quote Price and Forecast - CNN

Mar 03, 2026
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Mar 03, 2026

INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Gossamer Bio, ... - Bluefield Daily Telegraph

Mar 03, 2026
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Mar 03, 2026

INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Gossamer Bio, Inc.GOSS - ChartMill

Mar 03, 2026
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Mar 03, 2026

GOSS Financials: Income Statement, Balance Sheet & Cash Flow - Stock Titan

Mar 03, 2026
pulisher
Mar 02, 2026

Bronstein, Gewirtz & Grossman, LLC Is Investigating Gossamer Bio, Inc. (GOSS) And Encourages Stockholders to Connect - ACCESS Newswire

Mar 02, 2026
pulisher
Mar 02, 2026

683 Capital reports 5.23% stake in Gossamer Bio | GOSS SEC FilingForm SCHEDULE 13G - Stock Titan

Mar 02, 2026
pulisher
Mar 01, 2026

GOSS Investors Have Opportunity to Join Gossamer Bio, Inc. Fraud Investigation with the Schall Law Firm - mydailyrecord.com

Mar 01, 2026
pulisher
Mar 01, 2026

2026-03-01 | Gossamer Bio, Inc. (GOSS) Investigation: Bronstein, Gewirtz & Grossman, LLC Encourages Stockholders to Contact the Firm to Learn More About the Investigation | NDAQ:GOSS | Press Release - Stockhouse

Mar 01, 2026
pulisher
Feb 27, 2026

Should You Buy Gossamer Bio Inc (GOSS) Today? Analysis, Price Targets, and 2026 Outlook. - Intellectia AI

Feb 27, 2026
pulisher
Feb 27, 2026

Bronstein, Gewirtz & Grossman, LLC Announces an Investigation Against Gossamer Bio, Inc. (GOSS) and Encourages Stockholders to Learn More About the Investigation - ACCESS Newswire

Feb 27, 2026
pulisher
Feb 27, 2026

2026-02-27 | Bronstein, Gewirtz & Grossman, LLC Announces an Investigation Against Gossamer Bio, Inc. (GOSS) and Encourages Stockholders to Learn More About the Investigation | NDAQ:GOSS | Press Release - Stockhouse

Feb 27, 2026
pulisher
Feb 26, 2026

Gossamer Bio (GOSS) Loses 85% in 4 Weeks, Here's Why a Trend Reversal May be Around the Corner - Finviz

Feb 26, 2026
pulisher
Feb 26, 2026

Here's Why Gossamer Bio (GOSS) Is a Great 'Buy the Bottom' Stock Now - Yahoo Finance

Feb 26, 2026
pulisher
Feb 26, 2026

Gossamer Bio, Inc. (GOSS) Stock Analysis: Exploring the 1,395.85% Potential Upside for Investors - DirectorsTalk Interviews

Feb 26, 2026
pulisher
Feb 26, 2026

Gossamer Bio (NASDAQ:GOSS) Downgraded to Hold Rating by The Goldman Sachs Group - MarketBeat

Feb 26, 2026
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Feb 25, 2026

Guggenheim Sticks to Their Hold Rating for Gossamer Bio (GOSS) - The Globe and Mail

Feb 25, 2026
pulisher
Feb 25, 2026

Gossamer Bio (GOSS) Reports Topline Phase 3 Results for Seralutinib in Pulmonary Arterial Hypertension - Finviz

Feb 25, 2026
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Feb 25, 2026

Quarterly Trades: Should I set a stop loss on Gossamer Bio IncJuly 2025 Trends & Technical Pattern Based Signals - baoquankhu1.vn

Feb 25, 2026
pulisher
Feb 24, 2026

Gossamer, Grail down by more than half after late-stage misses - biocentury.com

Feb 24, 2026
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Feb 24, 2026

Barclays downgrades Gossamer Bio (GOSS) - MSN

Feb 24, 2026
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Feb 24, 2026

Gossamer Bio (GOSS) Downgraded by Wedbush with Significant PT Re - GuruFocus

Feb 24, 2026
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Feb 24, 2026

Gossamer Bio, Inc. (GOSS) Discusses Topline Results of PROSERA Phase 3 Study in Pulmonary Arterial HypertensionSlideshow (NASDAQ:GOSS) 2026-02-24 - Seeking Alpha

Feb 24, 2026
pulisher
Feb 24, 2026

Gossamer Bio stock downgraded by Wedbush on trial results - Investing.com South Africa

Feb 24, 2026
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Feb 24, 2026

Gossamer Bio (GOSS) Downgraded by Wedbush with Significant PT Reduction | GOSS Stock News - GuruFocus

Feb 24, 2026
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Feb 24, 2026

These Analysts Slash Their Forecasts On Gossamer Bio - Benzinga

Feb 24, 2026
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Feb 24, 2026

GOSS: Analyst Downgrades and Price Target Slashes by Leerink Par - GuruFocus

Feb 24, 2026
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Feb 24, 2026

Gossamer Bio (GOSS) Faces Downgrade Amid Study Challenges and Ma - GuruFocus

Feb 24, 2026
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Feb 24, 2026

Gossamer Bio (NASDAQ:GOSS) Rating Lowered to Neutral at Wedbush - MarketBeat

Feb 24, 2026
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Feb 24, 2026

This Novo Nordisk Analyst Is No Longer Bullish; Here Are Top 5 Downgrades For Tuesday - Benzinga

Feb 24, 2026
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Feb 24, 2026

Barclays cuts Gossamer Bio stock rating on trial results By Investing.com - Investing.com Australia

Feb 24, 2026
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Feb 24, 2026

Leerink Downgrades Gossamer Bio to Market Perform From Outperform, Adjusts Price Target to $1 From $6 - marketscreener.com

Feb 24, 2026
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Feb 24, 2026

Barclays Downgrades Gossamer Bio to Underweight From Overweight, Adjusts Price Target to $0.30 From $9 - marketscreener.com

Feb 24, 2026
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Feb 24, 2026

Wedbush Downgrades Gossamer Bio to Neutral From Outperform, Cuts Price Target to $1 From $6 - marketscreener.com

Feb 24, 2026
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Feb 24, 2026

Leerink cuts Gossamer Bio stock rating on trial miss - Investing.com Australia

Feb 24, 2026
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Feb 24, 2026

Gossamer Bio stock tumbles again premarket as Phase 3 PAH miss rewrites the story - TechStock²

Feb 24, 2026
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Feb 24, 2026

Barclays cuts Gossamer Bio stock rating on trial results - Investing.com

Feb 24, 2026
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Feb 24, 2026

Gossamer Bio’s seralutinib misses primary endpoint in PAH trial By Investing.com - Investing.com India

Feb 24, 2026
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Feb 24, 2026

Leerink cuts Gossamer Bio stock rating on trial miss By Investing.com - Investing.com Canada

Feb 24, 2026
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Feb 24, 2026

GOSS: Gossamer Bio's Phase 3 Study of Seralutinib Shows Promise in PAH - GuruFocus

Feb 24, 2026
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Feb 23, 2026

Gossamer Bio stock plummeted 82% today — what’s behind the crash? - MSN

Feb 23, 2026
pulisher
Feb 23, 2026

Gossamer Bio’s seralutinib misses primary endpoint in PAH trial - Investing.com Australia

Feb 23, 2026
pulisher
Feb 23, 2026

Gossamer Bio’s Phase 3 PROSERA PAH Trial Misses Primary Endpoint Despite Numerical 6MWD Gain - MarketBeat

Feb 23, 2026

Gossamer Bio Inc Stock (GOSS) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$45.68
price down icon 3.69%
$53.83
price down icon 6.87%
$29.72
price up icon 0.68%
$101.95
price down icon 1.78%
$143.57
price down icon 4.21%
biotechnology ONC
$292.94
price down icon 2.03%
Cap:     |  Volume (24h):