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NASDAQ · QUBTTechnologyPackaged Software

Quantum Computing Inc. Common (QUBT)

$6.33−4.09%
Close Nov 2, 2026 · split-adjusted
Nov 2, 2026$6.33▼ 58.84% in range
Nov 3, 2025Low $6.31 · High $15.38Nov 2, 2026
What changed · written from our data
As of Nov 2, 2026

Quantum Computing Inc. Common closed at $6.33 on Nov 2, down 4.09%, within 0.3% of its 52-week closing low. Volume of 5.5M shares was 0.81× its 20-day average (close to normal).

Split-adjusted performance: -22.6% over one month, -33.4% over six months, -57.7% over one year.

In the quarter ended Jun 30, 2026, revenue was $5.55M, up 9000.0% from a year earlier, with a net margin of -211.7%.

Short interest was 70.0M shares at the Oct 15 settlement, up 4.0% from the prior report (35.4% of float, 9.5 days to cover).

Market cap$1.43B226.3M shares
Revenue · quarter$5.6M+9000.0% YoY
Diluted EPS$-0.05—
P/E · TTM—P/S 145.8×
Net margin-211.7%Gross -21.0%
Dividend yieldNone
52-week range6.31 – 16.71−62.1% from high
Volume5.5M0.81× 20-day avg
Volatility · 60d56.5%Annualised
Short % of float35.4%9.5 days to cover
Net cash$954.2MCash $954.2M
Next earnings—Not scheduled
Split-adjusted performance
1W −1.2%1M −22.6%3M −31.4%6M −33.4%YTD −38.3%1Y −57.7%3Y +755.3%5Y +18.1%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Packaged Software

Percentile among 172 companies (100 = best)

6-month momentum19
Revenue growth100
Net margin9
Value (low P/E)—
Size44

Industry medians: 6-month return +18.0%, revenue growth +13.2%, net margin 1.4%, P/E 41.8×.

Short interest

Details →
Shares short70.0M+4.0% vs prior
Days to cover9.5Settled Oct 15
% of float35.4%
Short vol. 10d60.9%of daily volume

Closest peers by size in Packaged Software

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
QUBTQuantum Computing$6.33−4.09%−33.4%+9000.0%−211.7%—$1.43B
ALKTAlkami Technology$13.34+7.58%−22.3%+19.4%−5.0%—$1.43BCompare
LIMENeutron Holdings$22.58−3.13%————$1.47BCompare
BANDBandwidth$42.97−9.23%−4.6%+22.0%2.2%159.0$1.39BCompare
EVCMEverCommerce$8.62−5.90%−25.9%+2.7%6.4%45.9$1.52BCompare
PDPagerDuty$16.71−1.36%+125.2%+0.8%3.8%7.1$1.31BCompare
CXMSprinklr$6.88+1.03%+27.9%+0.8%3.3%69.0$1.60BCompare
CERTCertara$10.71−2.81%+73.0%+1.0%−59.3%—$1.63BCompare
GTMZoomInfo Technologies$4.31−1.15%−33.9%+1.2%−207.4%—$1.25BCompare

News about Quantum Computing

All news →
Quantum Stocks Plunge in October: Can Q3 Earnings Halt the Slide?Zacks Investment Research · 21h ago▼ Negative5 Quantum Computing Stocks Investors Should Be Watching in 2027The Motley Fool · 5d agoNeutralIonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing Inc. Are Shaking Wall Street to Its Core With This $1 Billion WarningThe Motley Fool · Oct 20, 2026▼ NegativeRigetti Faces Coherence Challenge as It Scales Quantum ComputingZacks Investment Research · Oct 12, 2026▲ PositiveHow IonQ Is Progressing in Quantum Computing and Space OperationsZacks Investment Research · Oct 7, 2026▲ Positive

Quick answers

What does Quantum Computing Inc. Common do?
Quantum Computing Inc is an integrated photonics and non-linear quantum optics company to develop and deliver machines for quantum computing, reservoir computing, and remote sensing, imaging, and cybersecurity applications based on patented and proprietary photonics technology. Its products are designed to operate at room temperature and low power at an affordable cost.
What is QUBT's market cap?
$1.43B, based on the Nov 2 close of $6.33.
Does Quantum Computing Inc. Common pay a dividend?
No regular cash dividend has been paid in the last year.
How much of QUBT is sold short?
70.0M shares, 35.4% of float, as of Oct 15, 2026.
What sector is QUBT in?
Technology, in the Packaged Software industry.

About Quantum Computing

Quantum Computing Inc is an integrated photonics and non-linear quantum optics company to develop and deliver machines for quantum computing, reservoir computing, and remote sensing, imaging, and cybersecurity applications based on patented and proprietary photonics technology. Its products are designed to operate at room temperature and low power at an affordable cost. The Company's portfolio of core technologies and products offers capabilities in the areas of high-performance computing, artificial intelligence, and cybersecurity, as well as remote sensing applications.

HQ: Hoboken, NJ77 employeesListed Dec 30, 2004quantumcomputinginc.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology