NASDAQ: GOSS
Gossamer Bio Inc Stock

$2.45+0.03 (+1.24%)
Updated Oct 31, 2025
GOSS Price
$2.45
Fair Value Price
$3.51
Market Cap
$557.08M
52 Week Low
$0.66
52 Week High
$3.60
P/E
-3.95x
P/B
-12.08x
P/S
6.95x
PEG
N/A
Dividend Yield
N/A
Revenue
$40.24M
Earnings
-$138.74M
Gross Margin
100%
Operating Margin
-326.37%
Profit Margin
-344.8%
Debt to Equity
-6.23
Operating Cash Flow
-$154M
Beta
1.36
Next Earnings
Nov 6, 2025
Ex-Dividend
N/A
Next Dividend
N/A

GOSS Overview

Gossamer Bio, Inc., a clinical-stage biopharmaceutical company, focuses on discovering, acquiring, developing, and commercializing therapeutics in the disease areas of immunology, inflammation, and oncology in the United States. The company is developing GB002, an inhaled, small molecule, platelet-derived growth factor receptor, or PDGFR, colonystimulating factor 1 receptor, or CSF1R, and c-KIT inhibitor for the treatment of pulmonary arterial hypertension; GB004, a gut-targeted, oral small molecule for the treatment of inflammatory bowel disease; GB5121, an oral, irreversible, covalent, small molecule inhibitor of Bruton's Tyrosine Kinase for the treatment of primary central nervous system lymphoma; and GB7208, an oral, small molecule, BTK inhibitor for the treatment of multiple sclerosis. It has license agreements with Pulmokine, Inc. to develop and commercialize GB002 and related backup compounds; and Aerpio Pharmaceuticals, Inc. to develop and commercialize GB004 and related compounds. The company was formerly known as FSG, Bio, Inc. and changed its name to Gossamer Bio, Inc. in 2017. Gossamer Bio, Inc. was incorporated in 2015 and is headquartered in San Diego, California.

Zen Rating

Our proven quant model uses 115 proprietary factors, including AI, to determine GOSS's potential to beat the market

DSell
  • Stocks with a Zen Rating of Sell (D) had an average loss of -4.50% per year. Learn More

Zen Rating Component Grades

C
Zen Rating uses advanced AI algorithms that detect subtle patterns in market data; it anticipates future trends that point to superior stock price results.

Industry: Biotech

Industry Rating
F
GOSS
Ranked
#276 of 488

Top Ranked Stocks in Industry

Name / TickerPriceZen Rating
$7.65A
$93.48A
$14.66A
View Top Biotech Stocks

Be the first to know about important GOSS news, forecast changes, insider trades & much more!

GOSS News

Overview

Due Diligence Score

–
Industry Average (23)
You've viewed Due Diligence Score for 10/10 free stocks. Upgrade to Premium to see how GOSS scored across 33 valuation, financial, forecast, performance, and dividend due diligence checks.

Due Diligence Checks

GOSS ($2.45) is undervalued by 30.16% relative to our estimate of its Fair Value price of $3.51 based on Discounted Cash Flow (DCF) modelling, but does not have a significant margin of safety
Below Fair Value Valuation
GOSS ($2.45) is significantly undervalued by 30.16% relative to our estimate of its Fair Value price of $3.51 based on Discounted Cash Flow (DCF) modelling, which includes a healthy margin of safety
Significantly Below Fair Value Valuation
GOSS is unprofitable, so we... subscribe to Premium to read more.
Below Benjamin Graham Formula Value Valuation
There are 30 more GOSS due diligence checks available for Premium users.

Valuation

GOSS fair value

Fair Value of GOSS stock based on Discounted Cash Flow (DCF)

Price
$2.45
Fair Value
$3.51
Undervalued by
30.16%
GOSS ($2.45) is undervalued by... subscribe to Premium to read more.
Below Fair Value Valuation
GOSS ($2.45) is significantly undervalued... subscribe to Premium to read more.
Significantly Below Fair Value Valuation
GOSS is unprofitable, so we... subscribe to Premium to read more.
Below Benjamin Graham Formula Value Valuation

GOSS price to earnings (PE)

For valuing profitable companies with steady earnings

Company
-3.95x
Industry
-9.17x
Market
41.65x

GOSS price to book (PB)

For valuing companies that are loss-making or have lots of physical asset

Company
-12.08x
Industry
4.99x

GOSS's financial health

Profit margin

Revenue
$11.5M
Net Income
-$38.3M
Profit Margin
-333.1%
GOSS's cash burn is expected... subscribe to Premium to read more.
Interest Coverage Financials
GOSS's profit margin has decreased... subscribe to Premium to read more.
Profit Margin Growth Financials

Assets to liabilities

Assets
$240.9M
Liabilities
$287.0M
Debt to equity
-6.23
GOSS's short-term assets ($235.90M) exceed... subscribe to Premium to read more.
Short-term Liabilities Financials
GOSS's short-term assets ($235.90M) exceed... subscribe to Premium to read more.
Long-term Liabilities Financials
GOSS's debt relative to shareholder... subscribe to Premium to read more.
Shrinking Debt Financials
GOSS's debt to equity ratio... subscribe to Premium to read more.
Healthy Debt to Equity Financials

Cash flow

Operating
-$47.1M
Investing
$44.1M
Financing
$94.0k
GOSS's cash and short-term investments... subscribe to Premium to read more.
Debt Coverage Financials

GOSS vs Biotech Stocks

TickerZen RatingMarket Cap1d %P/EP/B
GOSSD$557.08M+1.24%-3.95x-12.08x
BCYCD$559.80M-7.88%-2.23x0.91x
KALVF$551.21M-0.55%-2.77x13.51x
RIGLA$566.46M-0.13%5.75x6.91x
ZVRAC$571.46M+0.39%-50.90x4.87x

Gossamer Bio Stock FAQ

What is Gossamer Bio's quote symbol?

(NASDAQ: GOSS) Gossamer Bio trades on the NASDAQ under the ticker symbol GOSS. Gossamer Bio stock quotes can also be displayed as NASDAQ: GOSS.

If you're new to stock investing, here's how to buy Gossamer Bio stock.

What is the 52 week high and low for Gossamer Bio (NASDAQ: GOSS)?

(NASDAQ: GOSS) Gossamer Bio's 52-week high was $3.60, and its 52-week low was $0.66. It is currently -31.94% from its 52-week high and 270.09% from its 52-week low.

How much is Gossamer Bio stock worth today?

(NASDAQ: GOSS) Gossamer Bio currently has 227,380,609 outstanding shares. With Gossamer Bio stock trading at $2.45 per share, the total value of Gossamer Bio stock (market capitalization) is $557.08M.

Gossamer Bio stock was originally listed at a price of $17.94 in Feb 8, 2019. If you had invested in Gossamer Bio stock at $17.94, your return over the last 6 years would have been -86.34%, for an annualized return of -28.24% (not including any dividends or dividend reinvestments).

How much is Gossamer Bio's stock price per share?

(NASDAQ: GOSS) Gossamer Bio stock price per share is $2.45 today (as of Oct 31, 2025).

What is Gossamer Bio's Market Cap?

(NASDAQ: GOSS) Gossamer Bio's market cap is $557.08M, as of Nov 2, 2025.

Market cap (market capitalization) is the total market value of a publicly traded company's outstanding shares.

Gossamer Bio's market cap is calculated by multiplying GOSS's current stock price of $2.45 by GOSS's total outstanding shares of 227,380,609.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.