0.3801
price down icon8.50%   -0.0353
after-market After Hours: .37 -0.0101 -2.66%
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Gossamer Bio Inc stock is traded at $0.3801, with a volume of 73.45M. It is down -8.50% in the last 24 hours and down -85.92% 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:
$0.4154
Open:
$0.4006
24h Volume:
73.45M
Relative Volume:
6.83
Market Cap:
$87.98M
Revenue:
-
Net Income/Loss:
$-179.82M
P/E Ratio:
-0.2858
EPS:
-1.33
Net Cash Flow:
$-159.16M
1W Performance:
-82.48%
1M Performance:
-85.92%
6M Performance:
-83.89%
1Y Performance:
-69.83%
1-Day Range:
Value
$0.3312
$0.4006
1-Week Range:
Value
$0.3312
$2.2263
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
0.3801 96.15M 0 -179.82M -159.16M -1.33
Biotechnology icon
VRTX
Vertex Pharmaceuticals Inc
483.05 123.82B 12.07B 3.95B 3.19B 15.33
Biotechnology icon
REGN
Regeneron Pharmaceuticals Inc
784.28 81.64B 14.34B 4.50B 3.77B 41.56
Biotechnology icon
ARGX
Argen X Se Adr
816.95 52.00B 3.06B 1.28B 447.35M 19.67
Biotechnology icon
ALNY
Alnylam Pharmaceuticals Inc
327.36 44.14B 3.71B 313.75M 465.38M 2.2571
Biotechnology icon
ONC
Beone Medicines Ltd Adr
352.23 40.83B 4.98B 69.60M 525.67M 0.5198

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
05:57 AM

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

05:57 AM
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02:12 AM

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

02:12 AM
pulisher
Feb 24, 2026

Barclays downgrades Gossamer Bio (GOSS) - MSN

Feb 24, 2026
pulisher
Feb 24, 2026

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

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

GOSS Sees Significant Downgrade as Barclays Lowers Price Target - GuruFocus

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

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
pulisher
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
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Feb 23, 2026

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

Feb 23, 2026
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Feb 23, 2026

BREAKING: Gossamer Bio Investors Should Contact Block & - GlobeNewswire

Feb 23, 2026
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Feb 23, 2026

Gossamer slides on phase III readout of seralutinib in PAH - bioworld.com

Feb 23, 2026
pulisher
Feb 23, 2026

Gossamer Bio (GOSS) Faces Setback in Phase 3 Trial Results - GuruFocus

Feb 23, 2026
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Feb 23, 2026

Gossamer Bio, Seralutinib Misses Tight Statistical Mark But Shows Heart In High-Risk Lung Disease Study - AOL.com

Feb 23, 2026
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Feb 23, 2026

Gossamer Bio Stock Plummeted 82% Today — What’s Behind The Crash? - Asianet Newsable

Feb 23, 2026
pulisher
Feb 23, 2026

Gossamer Bio Shareholders Are Encouraged to Contact Johnson - GlobeNewswire

Feb 23, 2026
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Feb 23, 2026

GOSS Faces Setback with Phase 3 PROSERA Results in Pulmonary Hyp - GuruFocus

Feb 23, 2026
pulisher
Feb 23, 2026

Gossamer Bio Plans FDA Talks After Narrow Miss In Key Pivotal Study, Stock Sinks - Benzinga

Feb 23, 2026
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Feb 23, 2026

Gossamer Bio Reveals Mixed Phase 3 Seralutinib Results - TipRanks

Feb 23, 2026
pulisher
Feb 23, 2026

Gossamer Bio Reports Phase 3 Trial of Seralutinib Missed Primary Endpoint - marketscreener.com

Feb 23, 2026
pulisher
Feb 23, 2026

Gossamer Bio stock tumbles 80% on trial miss By Investing.com - Investing.com Canada

Feb 23, 2026
pulisher
Feb 23, 2026

Gossamer Bio Inc. (Ticker: GOSS) recently disclosed the topline data from its Phase III clinical trial, the Prosera study. - Bitget

Feb 23, 2026
pulisher
Feb 23, 2026

Gossamer Bio reports PROSERA topline: missed primary 6MWD endpoint but secondary endpoints and high-risk subgroup favored seralutinib - TradingView

Feb 23, 2026
pulisher
Feb 23, 2026

Gossamer Bio shares plummet as lung disease drug fails late-stage trial - Reuters

Feb 23, 2026
pulisher
Feb 23, 2026

Gossamer Bio's experimental lung condition drug fails in late-stage trial - TradingView

Feb 23, 2026
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Feb 23, 2026

Gossamer Bio Announces Topline Results from the Phase 3 PROSERA Study Evaluating Seralutinib in Pulmonary Arterial Hypertension - The Joplin Globe

Feb 23, 2026
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Feb 21, 2026

Monaco Asset Management SAM Sells 2,170,584 Shares of Gossamer Bio, Inc. $GOSS - MarketBeat

Feb 21, 2026
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Feb 20, 2026

How Gossamer Bio Inc. stock reacts to Fed rate cuts2025 Trading Recap & Weekly Stock Breakout Alerts - mfd.ru

Feb 20, 2026
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Feb 20, 2026

Street Watch: What is FATEs P E ratio telling usJuly 2025 Selloffs & Free Weekly Chart Analysis and Trade Guides - baoquankhu1.vn

Feb 20, 2026
pulisher
Feb 19, 2026

Gossamer Bio (NASDAQ:GOSS): The High-Stakes Gamble Drawing Big Bank Interest - AOL.com

Feb 19, 2026
pulisher
Feb 19, 2026

Gossamer Bio Target of Unusually High Options Trading (NASDAQ:GOSS) - MarketBeat

Feb 19, 2026
pulisher
Feb 17, 2026

A Big Test For SeralutinibWill Gossamer's PAH Data Win Investors' Hearts This Month? - RTTNews

Feb 17, 2026
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Feb 16, 2026

A Look At Gossamer Bio (GOSS) Valuation After Barclays Strong Buy Upgrade And Rising Institutional Ownership - Yahoo Finance

Feb 16, 2026
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Feb 12, 2026

Gossamer Bio’s Stock Whipsaws As Biotech Investors Weigh Risk, Cash Runway And Pipeline Hopes - AD HOC NEWS

Feb 12, 2026
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Feb 12, 2026

Brokers Offer Predictions for Gossamer Bio FY2030 Earnings - MarketBeat

Feb 12, 2026
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Feb 10, 2026

Big Money Bets On Gossamer Bio (GOSS) As Institutional Ownership Hits 81 Percent - AOL.com

Feb 10, 2026
pulisher
Feb 10, 2026

Is Gossamer Bio Inc. forming a breakout patternJuly 2025 News Drivers & AI Powered Trade Plan Recommendations - mfd.ru

Feb 10, 2026
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Feb 09, 2026

MB Generational Wealth LLC Buys Shares of 1,414,824 Gossamer Bio, Inc. $GOSS - MarketBeat

Feb 09, 2026
pulisher
Feb 07, 2026

Gossamer Bio, Inc. (NASDAQ:GOSS) Receives Average Rating of "Moderate Buy" from Brokerages - MarketBeat

Feb 07, 2026
pulisher
Feb 06, 2026

Gossamer Bio (NASDAQ:GOSS) Trading Down 4.7%Here's What Happened - MarketBeat

Feb 06, 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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$103.24
price down icon 1.52%
$51.37
price up icon 1.68%
$28.66
price up icon 1.42%
$109.84
price down icon 0.94%
$148.61
price down icon 6.31%
biotechnology ONC
$352.23
price down icon 4.54%
Cap:     |  Volume (24h):