About Quantum Computing
Quantum Computing is a publicly listed company based in Leesburg (United States) founded in 2018. Application software for quantum computing and machine learning is developed. The company has 41 employees. Quantum Computing has completed 3 acquisitions, including Luminar Technologies, NuCrypt and QPhoton. Its chief executive, as recorded, is William McGann. Its website quantumcomputinginc.com draws about 52 thousand monthly visits. Quantum Computing offers products and services including Foundry Services and Quantum Machines. Its focus areas include High Tech, Quantum Computing, Quantum Hardware and Diversified. Its legal entity is QUANTUM COMPUTING INC. Similar companies include Infleqtion, Lightelligence and Sirf; 3 of its 3 listed similar companies have raised funding.
Company details
Founded in 2018 in Leesburg, United States, the company operates in the quantum computing sector. Application software is designed and developed using quantum computation and machine learning principles. Services encompass hardware design, application development, security support, and consultancy. A quantum annealing computer is maintained to simulate quantum processing capabilities.
- Headquarters Leesburg, United States
- Employees 41
- Stage Public
- SectorsTechnology
- Website category Finance · Investing
- Email••••••••
- Phone•••• ••••
- Website quantumcomputinginc.com
- Social LinkedIn X Instagram YouTube
- Legal Name Quantum Computing Inc.
- Annual Revenue$682 K (USD)82.84as on Dec 31, 2025
- Net Profit-$18.67 M (USD)72.76as on Dec 31, 2025
- EBITDA-$46.13 M (USD)-108.38as on Dec 31, 2025
- Latest Funding Round$750M (USD), Post-IPO
Oct 2025
- Employee Count41
- Investments & AcquisitionsLuminar Technologies
& 2 more
Products & Services of Quantum Computing
Quantum Computing offers a comprehensive portfolio of products and services, including Foundry Services and Quantum Machines.
Fabricates photonic engines for integrated photonics applications.
Provides accessible photonic technology for computing and communications.
Apps and channels of Quantum Computing
its YouTube channel Quantum Computing Inc. has 1.04K subscribers and 12 videos.
Videos from Quantum Computing
The most watched videos on Quantum Computing's YouTube channel, Quantum Computing Inc. (1.04K subscribers). Click a video to play it here.
More on Quantum Computing Inc. .
Funding Insights of Quantum Computing
- Total Rounds 7
- Last Round Post-IPO — $750M
- First Round $75,000
(Mar 2019)
All 7 funding rounds of Quantum Computing with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Oct 2025 | $750M | Post-IPO | – | – | – |
| Jun 2025 | $200M | Post-IPO | – | – | – |
| Jan 2025 | $100M | Post-IPO | – | – | – |
| Jan 2021 | $3.22M | Post-IPO | – | – | – |
| Sep 2020 | $707,500 | Post-IPO | – | – | – |
| Aug 2020 | $342,000 | Post-IPO | – | – | – |
| Mar 2019 | $75,000 | Post-IPO | – | – | – |
People of Quantum Computing
28 people are tracked at Quantum Computing (11 in leadership, 2 in board & advisors, 15 in team); the tracked headcount is 41.
| Name | Role | Group |
|---|---|---|
William McGann | CEO | Leadership |
Eric Schwartz | Board Member | Leadership |
Michael Booth | CTO | Leadership |
Chris Roberts | CFO | Leadership |
John Dawson | COO | Leadership |
Robert Liscouski | President, CEO & Chairman | Leadership |
Rebel Brown | VP, Strategy & Marketing | Leadership |
Carly Saxton, MPS, PHR | Human Resources Director | Leadership |
Steve Reinhardt | VP, Product Development | Leadership |
Milan Begliarbekov | Director of Quantum Foundry | Leadership |
Mike Keymer | Vice President, Quantum Solutions | Leadership |
Bertrand Velge | Director | Board & advisors |
Robert Fagenson | Director | Board & advisors |
Becky Beirne, PHR | Talent Management Lead | Team |
Prajnesh Kumar, PhD | Quantum Technology Lead | Team |
Pranav Mahamuni | Lead Mechanical Engineer / Technical Program Manager | Team |
Marykate Ahern | Management Associate | Team |
Jeevanandha Ramanathan | Quantum Tech Lead | Team |
Rich Nelson | Business Development Consultant | Team |
Dan Mack | Quantum R&D Operations | Team |
8 more people are available in the full profile.
Complete people profiles for Quantum Computing
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IPO & Listings of Quantum Computing
Quantum Computing is a publicly listed company on the NASDAQ with ticker symbol QUBT in USA, operating in the Technology services sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.
- IPO date14 Jul 2020
- Listed onNASDAQ: QUBT
- Listed entityQuantum Computing Inc.
- Exchange sectorTechnology services
- ISINUS74766W1080
- Share price$6.87 (-0.87% on the day) · 2026-10-13
- Market capitalisation$1.56B
- EPS (diluted, trailing year)$-0.06
- Volume (last session)6,647,859
Financials of Quantum Computing
| Year | Revenue | Net income | EBITDA |
|---|---|---|---|
| 2025 | $682,000 | -$18.7M | -$46.1M |
| 2024 | $373,000 | -$68.5M | -$22.1M |
| 2023 | $358,000 | -$27.0M | -$22.9M |
| 2022 | $136,000 | -$26.0M | -$26.8M |
| 2021 | -$27.9M | -$17.1M |
Detailed financial statements for Quantum Computing
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Investments & Acquisitions by Quantum Computing
Quantum Computing has strategically engaged in corporate development activities, having acquired 3 companies. Notable acquisitions include Luminar Technologies, NuCrypt and QPhoton.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Quantum optical instrumentation for entangled photons is developed and manufactured. | nucrypt.net | Evanston, United States | 2003 | Mar 2026 | $5M | |
LiDAR-based sensors for autonomous vehicles are developed. | luminartech.com | Orlando, United States | 2012 | Dec 2025 | $110M | |
Quantum photonics technologies are developed and researched by QPhoton. | qphoton.com | Kearny, United States | 2021 | May 2022 | •••• |
Complete acquisition details for Quantum Computing
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Timeline of Quantum Computing
7 dated milestones of Quantum Computing across 8 years, from founding to its latest funding, stage changes and deals.
- Founded Quantum Computing is founded.
- Funding First funding round of $75K.
- IPO Lists on the stock exchange (IPO).
- Acquisition Acquires QPhoton.
- Funding Latest funding round, Post-IPO, of $750.0M.
- Acquisition Acquires Luminar Technologies.
- Acquisition Acquires NuCrypt.
Similar companies to Quantum Computing
Quantum Computing has 3 listed similar companies in our database, 3 of them funded. They include Infleqtion, Lightelligence and Sirf.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| infleqtion.com | 2007 | Boulder, United States | $259.82M | 197 | Quantum computing products and solutions are provided. | |
| lightelligence.ai | 2017 | Boston, United States | $246.7M | Optical chips and software solutions for AI computing are developed. | ||
| sirf.com | 1995 | San Jose, United States | $44.3M | 452 | Semiconductor and software products are developed by Sirf. |
Detailed similar companies of Quantum Computing
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Web traffic of Quantum Computing
The website of Quantum Computing (quantumcomputinginc.com) receives about 51.6K visits a month and ranks #564,007 among all websites worldwide, #5,628 in Investing.
- Monthly visits51.6K
▼ 10.9% vs previous month
- Unique visitors27.5K
per month
- Global rank#564,007
among all websites
- Category rank#5,628
Finance · Investing
- Bounce rate41%
- Pages per visit2.2
- Average visit38 sec
- DevicesDesktop 46% · Mobile 54%
Websites whose visitors overlap most with Quantum Computing. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
exoswan.com | exoswan.com | 100% | #878,586 | – | |
schaeffersresearch.com | schaeffersresearch.com | 96% | #229,974 | – | |
iceberg-research.com | iceberg-research.com | 96% | #3,187,389 | – | |
tickernerd.com | tickernerd.com | 96% | #624,239 | – | |
| marketbeat.com | 96% | 8M | #9,234 | View details | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 28 similar websites and full traffic analytics for Quantum Computing
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- 28 similar websites
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Top companies in Neuromorphic & Quantum Computing
3 companies that operate in the same segment as Quantum Computing (Neuromorphic & Quantum Computing) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Full-stack quantum computing solutions using superconducting qubits are developed. | 2013 | Berkeley, California, United States | USD 195.62 M | USD 7.09 M | 140 | |
Photon-based universal quantum computers are developed for error correction. | 2015 | Palo Alto, California, United States | USD 2.77 B | USD 1.04 M | 672 | |
Universal quantum computers using trapped-ion technology are provided via cloud. | 2015 | College Park, Maryland, United States | USD 86 M | USD 43.07 M | 407 |
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Related news about Quantum Computing
Complete news archive for Quantum Computing
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Frequently Asked Questions about Quantum Computing
Quantum Computing was founded in 2018 and raised its 1st funding round 1 year after it was founded.
Quantum Computing is headquartered in Leesburg, United States. It is registered at Leesburg, Virginia, United States.
William McGann is the CEO of Quantum Computing, as recorded in our data.
Quantum Computing has 41 employees.
Annual revenue of Quantum Computing is $682K as on Dec 31, 2025.
Founded in 2018 in Leesburg, United States, the company operates in the quantum computing sector. Application software is designed and developed using quantum computation and machine learning principles. Services encompass hardware design, application development, security support, and consultancy. A quantum annealing computer is maintained to simulate quantum processing capabilities.
Quantum Computing's top competitors include Infleqtion, Lightelligence and Sirf.
Quantum Computing offers Foundry Services and Quantum Machines.
Yes, Quantum Computing is publicly traded on NASDAQ under the ticker symbol QUBT.
Quantum Computing has made 3 acquisitions, including Luminar Technologies, NuCrypt, and QPhoton.
Quantum Computing operates through Quantum Computing Inc..