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Maybell Quantum

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redesigned dilution refrigerator for quantum which enables more fridges per lab, more experiments per fridge, and unparalleled reliability, flexibility, and user experience

Denver, United StatesFounded 2021Engineering and Manufacturing Equipment
Valuation $100–250M Last recorded · 2025
Headcount <100 Current team size
Total funding $50–100M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Maybell Quantum and the history behind them.

About Maybell Quantum

Maybell Quantum is a pioneering startup focused on advancing quantum computing technology. The company is dedicated to developing tools that address the most challenging problems in quantum computing, making these solutions more accessible, reliable, and affordable. Their mission also includes fostering a skilled workforce and a robust supply chain to bolster U.S. leadership in the quantum sector.

Maybell Quantum operates in the cutting-edge market of quantum computing, a field that promises to revolutionize industries by performing complex calculations at unprecedented speeds. This technology has the potential to transform sectors such as logistics, agriculture, medicine, and climate change mitigation.

The company primarily serves research institutions, technology firms, and government agencies that require advanced quantum computing capabilities. Their flagship product, the Maybell Icebox, significantly enhances the scalability of quantum computing by housing more than three times the number of qubits (the basic unit of quantum information) in just one-tenth of the space compared to traditional systems. This innovation opens new doors for scalable quantum computing solutions.

Maybell Quantum's business model revolves around the development and sale of high-performance quantum hardware. They generate revenue by selling their advanced quantum computing tools and components, such as ultra-high-density RF ribbon wires. These wires offer superior performance and density while minimizing heat and vibration, which are critical for maintaining the delicate state of qubits.

In summary, Maybell Quantum is at the forefront of making quantum computing more practical and scalable. Their innovative products and commitment to building a strong quantum ecosystem position them as a key player in this transformative industry.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2021
Headquarters
Denver, United States
Employees
79
Open positions
13
Dealroom signal
92.7/100
Industry
Engineering and Manufacturing Equipment
Sector
Engineering and Manufacturing Equipment, Quantum Computing, Refrigeration, Quantum Computers and Processors, NIF defense security and resilience, NIF Security of Critical Technologies, DT and LS, science-based
Technology
Hardware, Deep Tech, Quantum Technologies
Business model
Manufacturing
Client focus
b2b

Funding history

5 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES BOther financing Sep 2025 $40M $160M Addition VC ↗
SERIES AOther financing Mar 2024 $25M $100M Decisive Point · Cerberus Capital Management · In-Q-Tel · Lavrock Ventures ↗
Showing the latest 2 of 5 recorded eventsBook a demo for the full funding history →

Growth signals

Maybell Quantum website traffic

Latest recorded traffic for Maybell Quantum is 2.2K monthly website visits, down 12% over the last three months. Maybell Quantum's team grew 41.1% over the past year.

Latest monthly visits2.2K 3-month web change-12% 1-year team growth+41.1%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

10 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed2 investors entered at this stage

  • Colorado Office of Economic Development and International Trade
  • National Security Innovation Capital

Series A8 investors entered at this stage

  • Cerberus Capital Management
  • Decisive Point
  • In-Q-Tel
  • Lavrock Ventures
  • Mark IV Capital
  • Caruso Ventures
  • Olive Capital
  • Addition VC
Team profiled 3 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
3 countries with
team presence
🇺🇸 United States90.9%
🇫🇮 Finland5.5%
🇩🇰 Denmark3.6%
3 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Maybell Quantum on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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