Quantum Computing Inc.
Quantum Computing Inc. is a technology company specializing in quantum photonics and computing solutions. They develop accessible and affordable quantum machines and photonic hardware for various applications, including cybersecurity and remote sensing. Their customers include businesses in aerospace, defense, and telecommunications, who rely on their innovative technologies to enhance data processing and secure communications.
Headcount
Website visitors
Workforce
Headcount by location
- United States100%
Split by department
- Engineering & R&D53%
- Operations9.3%
- Finance & Administration6.8%
- Founder, Owner & Executive6.8%
- Other24%
Seniority distribution
- Less than 5 years88%
- 5 to 10 years6.9%
- 10 to 20 years2.6%
- 30 years and more1.7%
- 20 to 30 years0.9%
Funding
Raised to date
- 10 Apr 2026Series Other$4.6MAllworth Financial, Cantor Fitzgerald, IFP Institutional Services, Inc., the Tudor Group
- 25 Sep 2025Post Ipo Equity Offering$500.0M—
5 earlier rounds, with their terms and sources.
Investors
Cantor FitzgeraldCantor Fitzgerald is a global financial services firm that provides investment banking, capital‑markets, asset‑management, prime brokerage and advisory services to institutional, corporate and private clients. It operates as a private partnership119United States
the Tudor GroupTudor Investment Corporation is an investment management firm that specializes in managing client and proprietary assets across various asset classes. The company offers a range of investment strategies, including discretionary and quantitative55United States
Allworth FinancialAllworth Financial is a financial advisory firm specializing in comprehensive wealth management services. They offer personalized financial planning, investment management, tax planning, estate planning, and insurance services to individuals and28United States
- IFP Institutional Services, Inc.Independent Financial Partners is a financial services company that provides a range of solutions to financial professionals, including business coaching, asset management, and retirement planning. The company supports its clients in enhancing their8United States
Portfolio
Countries
- United States100%
Deal stage
- Company Acquisition67%
- Carve-Out Acquisition33%
Deal size
- 50-20042%
- Unknown42%
- 1-38.3%
- 3-108.3%
Company size
- Unknown43%
- 11-5029%
- 1-1014%
- 51-20014%
Revenue
EBITDA
Revenue source: Public reported FY2025 (Stock exchange)
Recent news
- Quantum Computing Inc showcases integrated quantum security platform with encryption and authentication at ecoc Exhibition 2026.attends event
- Quantum Computing Inc. to showcase Quantum Secure communications beyond Quantum Key Distribution at ECOC 2026.attends event
- Quantum Computing Inc. expands global quantum adoption through new Hamad Bin Khalifa University Framework Agreement.partners with
- Quantum Computing Inc. (NASDAQ: QUBT) bets on scale to overcome mounting costs and profitability gap.acquires
Portfolio companies
Every holding by name, with what was paid, when, and how each one has grown since
People
How the team has changed month by month — joiners, leavers and where the hiring is going
Connections
Who at your firm already knows someone here, and how warm the path is
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