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Quantum Computing Inc

QUBT

Market cap $1.54B

6.82 USD

+0.32

4.92%

At close Updated Oct 21, 4:00 PM EDT

Pre-market

After hours

6.76

-0.06

0.88%

1 day

4.92%

5 days

11.8%

1 month

-23.88%

3 months

-17.03%

6 months

-27.52%

Year to date

-38.06%

1 year

-57.38%

5 years

31.66%

10 years

-0.87%

About: 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.

Employees: 77

Technology Computer Hardware

News

Positive

Neutral

Negative

Sentiment 3-Months

Positive 41.3%

Neutral 41.3%

Negative 17.5%

The Motley Fool

IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing Inc. Are Shaking Wall Street to Its Core With This $1 Billion Warning

Next to the artificial intelligence infrastructure build-out, no trend is capturing the attention of investors quite like the evolution of quantum computing. Form 4 filings show that quantum computing insiders have been decisive sellers of their company's stock over the last half-decade.

IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing Inc. Are Shaking Wall Street to Its Core With This $1 Billion Warning

The Motley Fool

Quantum Computing Is Still Years Away. These 6 Stocks Show Who Is Closest to Real Revenue.

IBM is effectively funding its $10 billion, five‑year quantum push from its mainframe and software cash flows. IonQ is the only pure‑play quantum computing company with meaningful revenue, but it's still burning a lot of cash and issuing a lot of new shares.

Quantum Computing Is Still Years Away. These 6 Stocks Show Who Is Closest to Real Revenue.

INmune Bio Inc. and Quantum Computing Inc. Partner to Apply Quantum Optimization and AI to Advance Alzheimer's Drug Research and Explore New Applications for XPro ™

Collaboration combines INmune Bio's clinical research with QCi's Dirac-3S quantum optimization machine to identify potential new treatment indications and biomarkers for XPro Initial engagement marks QCi's first commercial customer in pharmaceutical and biotechnology markets, expanding the application of quantum computing to drug development BOCA RATON, Fla. and HOBOKEN, N.J.

INmune Bio Inc. and Quantum Computing Inc. Partner to Apply Quantum Optimization and AI to Advance Alzheimer's Drug Research and Explore New Applications for XPro ™

Investors Business Daily

Quantum Computing Stocks: Darpa Spreads Its Bets As Industry Shakeout Looms

In news for quantum computing stocks: Darpa picks program finalists while Gartner predicts an industry shakeout.

Quantum Computing Stocks: Darpa Spreads Its Bets As Industry Shakeout Looms

The Motley Fool

3 Quantum Computing Stocks Poised to Outperform IonQ and Rigetti This Month

Quantinuum, backed by Honeywell's continued majority-voting stake, is still working through post-IPO price discovery following its June Nasdaq debut. IBM's quantum bet is funded by its much larger, profitable core business, giving it a longer runway than smaller pure-play competitors.

3 Quantum Computing Stocks Poised to Outperform IonQ and Rigetti This Month

The Motley Fool

Should You Buy These 4 Quantum Computing Stocks Before 2027?

Pure plays IonQ, Rigetti, and D-Wave are not profitable, but have enough cash to continue pursuing their quantum computing goals for quite some time. Quantum computing stocks are expensive and risky, unless you want to own one like IBM -- a mature, slow-growth tech company with a quantum computing arm.

Should You Buy These 4 Quantum Computing Stocks Before 2027?

Quantum Computing Inc. to Attend the Maxim Growth Summit 2026

HOBOKEN, N.J., Oct. 6, 2026 /PRNewswire/ -- Quantum Computing Inc. ("QCi" or the "Company") (Nasdaq: QUBT), a vertically integrated quantum systems company pioneering photonics and semiconductor manufacturing, today announced that Dr. Yuping Huang, Chief Executive Officer and Chris Roberts, Chief Financial Officer, will participate in the Maxim Growth Summit 2026 on October 13 at the Hard Rock Hotel in New York City.

Quantum Computing Inc. to Attend the Maxim Growth Summit 2026

The Motley Fool

Is Quantum Computing Inc. a Buy Right Now?

QCi is starting to generate revenue, but it's still losing money and has a long way to go to prove itself. The company is trying to build a larger photonics and quantum hardware business, ranging from chip manufacturing to AI and security products.

Is Quantum Computing Inc. a Buy Right Now?

Quantum Computing Inc. Announces Dirac-3S, Scaling to Nearly 10,000 Variables

Scales quantum optimization to up to nearly 10,000 variables, a 10x increase over QCi's current 1,000-variable system, while delivering faster performance, production-ready reliability and scalable manufacturing First customer shipment of Dirac-3S upgrade expected in Q4 2026 HOBOKEN, N.J., Oct. 1, 2026 /PRNewswire/ -- Quantum Computing Inc. ("QCi" or the "Company") (Nasdaq: QUBT), a vertically integrated quantum systems company pioneering photonics and semiconductor manufacturing, today announced Dirac-3S, the next-generation of its Dirac-3 quantum optimization machine, marking a significant step toward commercial deployment of QCi's quantum optimization technology.

Quantum Computing Inc. Announces Dirac-3S, Scaling to Nearly 10,000 Variables

Investors Business Daily

Quantum Computing Stocks Need A Spark. Could Congress Deliver Soon?

Quantum computing stocks could get a boost if Congress finally passes key legislation. A Jefferies analyst says that could happen soon.

Quantum Computing Stocks Need A Spark. Could Congress Deliver Soon?

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