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Nanobiotix S.A. (NBTX) stock

NBTXNasdaqPharmaceutical PreparationsFiscal year ends December 31Also trades as NNBXF
Financials through fiscal 2025, year ended Dec 31, 2025Last filing: 20-F on Mar 31, 2026Score 3/30
$32.25−0.70 (-2.12%)

Close on Nov 12, 2026Market cap $1.56BP/E –Yield –

Nanobiotix S.A. reported revenue of €32.59M for fiscal 2025. Free cash flow was -€33.96M. At the latest close the market valued the company at €1.40B.

Revenue
€32.59M
FY2025
Operating income
-€10.82M
FY2025
Free cash flow
-€33.96M
FY2025
EPS, diluted
-0.50 EUR
FY2025

Key statistics

Valuation at the latest close; fundamentals over fiscal 2025, balances at Jun 30, 2026

Valuation

Market cap
€1.40B
P/E ratio
–
Price to sales
42.94
Price to book
–
Dividend yield
–
Free cash flow yield
-2.43%

Fundamentals

Revenue
€32.59M
Net income
-€23.96M
EPS, diluted
-0.50 EUR
Free cash flow
-€33.96M

Trading

Previous close
$32.95
Open
$31.93
Day's range
$31.28 – $33.35
Volume
171,116
Average volume (20 days)
151,759
Beta (5 years)
0.48
RSI (14 days)
56.8
Volatility (1 year)
85.0%
Relative volume
1.16×
WACC
7.5%

Market cap history

Month-end market cap since 2020, using shares outstanding reported at the time

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.

PeriodNBTXS&P 500DifferenceNBTX per yearS&P 500 per year
1 month+37.8%-2.7%+40.5 pts
3 months-18.2%-1.7%−16.5 pts
Year to date+39.5%+11.9%+27.6 pts
1 year+49.5%+12.0%+37.5 pts
3 years+451.3%+78.2%+373.1 pts+76.7%+21.2%
5 years+229.8%+73.2%+156.5 pts+27.0%+11.6%

Nine years at a glance

Fiscal years 2017 to 2025, EUR

Revenue

€32.59M

Operating income

-€10.82M

Net income

-€23.96M

EPS, diluted

-0.50 EUR

Free cash flow

-€33.96M
Reported period

Press releases

Releases Nanobiotix filed with the SEC as exhibits to Form 8-K or 6-K

All press releases and earnings

About Nanobiotix

Pharmaceutical Preparations

Nanobiotix S.A. is a clinical-stage biotechnology company that develops physics-based nanotherapeutics designed to treat cancer and other diseases. The company operates through three main technology platforms: a nanoradioenhancer platform, a nanoprimer platform, and a neurological disease platform. Its lead product candidate, JNJ-1900 (also known as NBTXR3), is an intratumorally injected suspension of hafnium oxide nanoparticles designed to amplify the tumor-destroying effect of radiation therapy in solid tumors, including head and neck and lung cancers. The company serves cancer patients requiring radiotherapy, collaborating with pharmaceutical corporations and medical research institutions to conduct clinical evaluations and commercialization.

Company profile, executives and history

Nanobiotix stock: common questions

What is Nanobiotix's stock price?

NBTX closed at $32.25 on Nov 12, 2026, down 2.12% on the day.

What is Nanobiotix's market cap?

Nanobiotix was worth $1.56B at the close on Nov 12, 2026: the share price times the diluted shares outstanding.

What is NBTX's P/E ratio?

Nanobiotix lost money over fiscal 2025 (diluted EPS -0.50 EUR), so it has no meaningful P/E ratio.

How much revenue does Nanobiotix make?

Nanobiotix reported revenue of €32.59M for fiscal 2025.

Does Nanobiotix pay a dividend?

No. Nanobiotix has not paid a cash dividend over the last twelve months.

How has NBTX stock performed over the past year?

Including dividends, NBTX returned +49.5% over the past year, against +12.0% for the S&P 500.

Who are Nanobiotix's competitors?

Companies most similar to Nanobiotix by business, industry and size include XLO, JANX, PYXS, ZNTL, CBIO.

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