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Jasper Therapeutics, Inc. (JSPR) stock

JSPRNasdaqBiological Products, (No Diagnostic Substances)Fiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 14, 2026Score 5/30
$14.76+0.01 (+0.07%)

Close on Nov 11, 2026Market cap $491.13MP/E –Yield –

Key statistics

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

Valuation

Market cap
$491.13M
P/E ratio
–
Price to sales
–
Price to book
347.58
Dividend yield
–
Free cash flow yield
–

Fundamentals

Net income
-$31.77M
EPS, diluted
-$1.59
Book value per share
$0.05
Diluted shares
29M

Trading

Next earnings
Q3 FY2026, expected soon
Previous close
$14.75
Open
$15.04
Day's range
$13.64 – $15.45
Volume
69,510
Average volume (20 days)
60,843
52-week range
$0.34 – $72.60
RSI (14 days)
51.7
Volatility (1 year)
16082.8%
Relative volume
0.08×

On 1 of our idea list: Most shorted (a warning list)

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 11, 2026. The S&P 500 is measured by the SPY fund.

PeriodJSPRS&P 500DifferenceJSPR per yearS&P 500 per year
1 month-13.7%-2.4%−11.3 pts
3 months+1552.7%-1.2%+1553.8 pts
Year to date-73.1%+12.3%−85.4 pts
1 year-71.1%+12.4%−83.5 pts
3 years-92.9%+78.8%−171.7 pts-58.5%+21.4%
5 years-99.4%+75.2%−174.6 pts-64.2%+11.9%

Seven years at a glance

Fiscal years 2019 to 2025 and trailing twelve months, USD

Operating income

-$55.16M

Net income

-$31.77M

EPS, diluted

-$1.59
Reported periodTrailing twelve months

Press releases

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

All press releases and earnings

About Jasper Therapeutics

Biological Products, (No Diagnostic Substances)

Jasper Therapeutics, Inc. is a clinical-stage biotechnology company that develops targeted therapies for mast cell driven diseases. Its primary product candidate is briquilimab, a monoclonal antibody engineered to block stem cell factor from binding to the CD117 receptor, thereby depleting mast cells in tissues such as the skin and lungs. The company's development pipeline focuses on treating conditions including chronic spontaneous urticaria, chronic inducible urticaria, and asthma. Jasper Therapeutics designs its therapeutic candidates for adult patients who suffer from these chronic inflammatory disorders, particularly individuals whose symptoms remain uncontrolled by standard antihistamines or other existing medical treatments.

Company profile, executives and history

Jasper Therapeutics stock: common questions

What is Jasper Therapeutics's stock price?

JSPR closed at $14.76 on Nov 11, 2026, up 0.07% on the day. Over the past 52 weeks it traded between $0.34 and $72.60.

What is Jasper Therapeutics's market cap?

Jasper Therapeutics was worth $491.13M at the close on Nov 11, 2026: the share price times the diluted shares outstanding.

What is JSPR's P/E ratio?

Jasper Therapeutics lost money over the twelve months to Jun 30, 2026 (diluted EPS -$1.59), so it has no meaningful P/E ratio.

Does Jasper Therapeutics pay a dividend?

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

When does Jasper Therapeutics report earnings next?

Jasper Therapeutics's Q3 FY2026 results are due soon; the company has not yet filed them with the SEC.

How has JSPR stock performed over the past year?

Including dividends, JSPR returned -71.1% over the past year, against +12.4% for the S&P 500.

How many JSPR shares are sold short?

7M shares were sold short at the latest FINRA report, 30.82% of the float, or 17.0 days of average trading volume.

Who are Jasper Therapeutics's competitors?

Companies most similar to Jasper Therapeutics by business, industry and size include ZURA, KYMR, IPSC, ESLA, SRRK.

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