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Boundless Bio, Inc. (BOLD) stock

BOLDNasdaqPharmaceutical PreparationsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 10, 2026Score 7/30
$2.46+0.01 (+0.41%)

Close on Nov 11, 2026Market cap $55.96MP/E –Yield –

Key statistics

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

Valuation

Market cap
$55.96M
P/E ratio
–
Price to sales
–
Price to book
0.91
Dividend yield
–
Free cash flow yield
-102.58%

Fundamentals

Net income
-$55.50M
EPS, diluted
-$2.47
Free cash flow
-$57.40M
Book value per share
$2.70
Diluted shares
23M

Trading

Previous close
$2.45
Open
$2.46
Day's range
$2.39 – $2.46
Volume
10,831
Average volume (20 days)
126,394
Beta (5 years)
1.51
52-week range
$0.96 – $3.16
RSI (14 days)
48.2
Volatility (1 year)
98.9%
Relative volume
0.06×
WACC
12.5%

On 2 of our idea lists: Net-nets, More cash than they're worth

Market cap history

Month-end market cap since 2024, using shares outstanding reported at the time

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 11, 2026. The S&P 500 is measured by the SPY fund.

PeriodBOLDS&P 500DifferenceBOLD per yearS&P 500 per year
1 month-2.8%-2.4%−0.4 pts
3 months-10.5%-1.2%−9.4 pts
Year to date+105.0%+12.3%+92.7 pts
1 year+95.2%+12.4%+82.8 pts

Four years at a glance

Fiscal years 2022 to 2025 and trailing twelve months, USD

Operating income

-$59.06M

Net income

-$55.50M

EPS, diluted

-$2.47

Free cash flow

-$57.40M
Reported periodTrailing twelve months

Press releases

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

All press releases and earnings

About Boundless Bio

Pharmaceutical Preparations

Boundless Bio is a clinical-stage oncology company developing extrachromosomal DNA directed therapeutics to treat oncogene amplified cancers. Using its proprietary Spyglass platform, the company identifies synthetic lethal targets essential for extrachromosomal DNA function and designs small molecule therapies to inhibit them. Its lead product candidate, BBI-940, is an oral selective degrader targeting a kinesin involved in DNA segregation during mitosis, which entered a Phase 1 clinical trial for patients with certain types of breast cancer.

Company profile, executives and history

Boundless Bio stock: common questions

What is Boundless Bio's stock price?

BOLD closed at $2.46 on Nov 11, 2026, up 0.41% on the day. Over the past 52 weeks it traded between $0.96 and $3.16.

What is Boundless Bio's market cap?

Boundless Bio was worth $55.96M at the close on Nov 11, 2026: the share price times the diluted shares outstanding.

What is BOLD's P/E ratio?

Boundless Bio lost money over the twelve months to Sep 30, 2026 (diluted EPS -$2.47), so it has no meaningful P/E ratio.

Does Boundless Bio pay a dividend?

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

How has BOLD stock performed over the past year?

Including dividends, BOLD returned +95.2% over the past year, against +12.4% for the S&P 500.

How many BOLD shares are sold short?

1M shares were sold short at the latest FINRA report, 5.49% of the float, or 5.1 days of average trading volume.

Who are Boundless Bio's competitors?

Companies most similar to Boundless Bio by business, industry and size include BBOT, IDYA, PRLD, PHIO, TYRA.

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