Gossamer Bio, Inc.: stock overview

GOSSNASDAQHealthcare · Pharmaceutical Preparations

Price

$10.97

November 13, 2026Market cap $67M

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  • The full history: 4 fiscal years, from 2022
  • The estimated fair value, with its range and its certainty
  • The full analysis, 18 a month
  • More questions to the chat on its filings
  • Excel with every year
  • An email when it reports, changes its dividend or an officer buys

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Notes on these figures

  • The interest the company pays is far more than the debt we can read would cost, so part of its borrowing is missing from the figures. We leave out the debt, net cash, enterprise value and the multiples built on them.

In short

Gossamer Bio had revenue of $78M over the last 12 months and a net loss of $125M. It pays no dividend.

From its SEC filings (latest fiscal year to December 31, 2025) and the price of November 13, 2026.

Its SEC filings
Market cap
$67M
6.12M shares
P/E
–
Revenue, 12 months
$78M
Net margin
-159.5%
2025: -351.5%, above 2% of its industry

Worth knowing

What a holder would want to hear from the company's SEC filings of the last three years. Each with its filing, without comment.

3 fiscal years in figures

Each fiscal year's figures as the company filed them, and the share price at its end.

2023–2025 fiscal years

Fiscal years in figures

GOSS's revenue, profit, cash flow and dividend with each year-end price, from 2022 to 2022, 1 more fiscal year

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Key figures

The company's current figures in five groups. Each term is explained behind its ⓘ.

Valuation

Market cap 3-year median: $207M
$67M
Enterprise value 
–
P/E 
–
EV / EBIT 
–
EV / Revenue 
–
P/B 
–
FCF yield 3-year median: -23.6%
–
Earnings yield 3-year median: -27.5%
–

Profitability

Operating margin 
-140.0%
Net margin 
-159.5%
ROIC 
–
ROIC, 5-year average 
-279.2%
ROE 
–

Growth

Revenue, yearly change 
-57.7%
EPS, yearly change 
–
FCF, yearly change 
–

The yearly change compares FY2025 with FY2024.

Balance sheet

Cash 
$51M
Total debt 
–
Net cash 
–
Net debt / EBITDA 
–
Interest cover 
-10.3x
Current ratio 
0.60

Balance sheet of September 30, 2026.

Returns to shareholders

Dividend yield 
0.00%
Buybacks 
–
Total returned 
0.00%
Shares, yearly change 
+3.3%
Valuation against its own pastEach fiscal year's P/E, P/FCF and P/B beside today's, and the DCF calculator for the company.Valuation

Against its industry

Where its margins and returns stood in fiscal 2025 among the SEC filers of its industry (SIC code 28).

Operating margin

-352.2%

Above 2% of the 285 companies in its industry, and 0% of all.

Net margin

-351.5%

Above 2% of the 302 companies in its industry, and 0% of all.

ROA

-98.9%

Above 3% of the 313 companies in its industry, and 1% of all.

Revenue growth

-57.7%

Above 2% of the 292 companies in its industry, and 0% of all.

From the yearly figures every company files with the SEC, for those with revenue of at least $25 million. The industry is the first two digits of the SIC code.

The company at the SEC

How it is registered and when its fiscal year ends.

Name at the SEC
Gossamer Bio, Inc.
CIK
1728117
Exchange
NASDAQ
Industry (SIC)
2834 · Pharmaceutical Preparations
Fiscal year ends
December 31
Latest annual report
December 31, 2025
Reporting currency
USD
Shares
6.12M

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The full analysis

What do Gossamer Bio's filings show?

These are Gossamer Bio's figures. The full Ploutos AI analysis reads everything the company has filed and shows what stands behind it, with a source for every figure.

  • A fair value range built from the filings
  • Earnings quality, debt and red flags
  • Insider and institutional moves
  • The case for and the case against

Questions about GOSS

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What is GOSS's market cap?

Gossamer Bio, Inc.'s market cap is $67M, at a price of $10.97 on November 13, 2026 and 6.12M shares.

How much revenue does GOSS have?

Gossamer Bio had revenue of $78M over the last 12 months.

Does GOSS pay a dividend?

No. Gossamer Bio paid no regular dividend over the last 12 months.

Where do the figures come from?

From Gossamer Bio, Inc.'s SEC filings (10-K and 10-Q) and the share price. They hold no analyst estimates and no score, and they are not a recommendation.

Related pages

The other pages on US stocks, free to read. On the company pages, the last three fiscal years are open to everyone, five with a free account, and every year with Ploutos Investor.

US stocksThe market today, the sectors, the largest companies and the week's results.The market's sectorsThe 11 sectors side by side: returns, share of the market, median P/E and dividend.Compare stocksTwo companies side by side: price over up to ten years, with and without dividends, and every figure.US dividend stocksEach dividend's yield next to whether the company's cash covers it and whether it was ever cut.

The figures come from the company's SEC filings and the share price, and describe what it has reported. They are not a score or a fair value.