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Maybell Quantum
Denver, US · Founded 2020 · 7 known investors
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Maybell Quantum designs and manufactures dilution refrigerators for quantum computing research, including its Fast Fridge product offering base temperatures below 10mK/30mK. The company targets quantum researchers and labs, emphasizing reliability, front-opening access, and low-noise experimental environments.
Founders & leadership
Maybell Quantum was founded in 2020 by Corban Israel Tillemann-Dick and Kyle Thompson.
Board
Investors · 7
How we know: Caruso Ventures's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: In-Q-Tel's portfolio page · Not right? Tell us
How we know: The E14 Fund's portfolio page · Not right? Tell us
How we know: a partner's Signal profile · funding news · thequantuminsider.com · Not right? Tell us
How we know: the VCSheet dataset · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$71.8M disclosed across 2 of 3 rounds · 2024–2026
▶$38.5MraisedNov 2025 · 5 investors · Other TechnologyRule 506(b)
- Christopher DarbyDirector
- Bryan ChooExecutive Officer, Director
- Corban Israel Tillemann-DickExecutive Officer, Director
- Mary K. BushDirector
- Offering amount
- $38.5M
- Amount sold
- $38.5M
- First sale
- Feb 2025
- Incorporated
- Corporation, Delaware, 2020
- Federal exemptions
- 06b
▶$33.3MraisedMar 2024 · 24 investors · Other TechnologyRule 506(b)
- Bryan ChooExecutive Officer, Director
- Corban Israel Tillemann-DickExecutive Officer, Director
- Christopher DarbyDirector
- Offering amount
- $38.5M
- Amount sold
- $33.3M
- First sale
- Mar 2024
- Incorporated
- Corporation, Delaware, 2020
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Related companies · 4
Companies working in the same space as Maybell Quantum.
Non-dilutive funding · 2 SBIR/STTR awards
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| Defense Advanced Research Projects Agency (DARPA)Defense Advanced Research Projects Agency | Phase II | 2023 | $974.7K |
| Defense Advanced Research Projects Agency (DARPA)Defense Advanced Research Projects Agency | Phase I | 2022 | $175K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
In the news
Frequently asked questions
- What does Maybell Quantum do?
- Maybell Quantum designs and manufactures dilution refrigerators for quantum computing research, including its Fast Fridge product offering base temperatures below 10mK/30mK. The company targets quantum researchers and labs, emphasizing reliability, front-opening access, and low-noise experimental environments.
- Who founded Maybell Quantum?
- Maybell Quantum was founded by Corban Israel Tillemann-Dick, Kyle Thompson in 2020.
- Who are Maybell Quantum's investors?
- Maybell Quantum's investors include Caruso Ventures, Cerberus Ventures, Decisive Point, In-Q-Tel, The E14 Fund, Addition, Lavrock Ventures.
- How much funding has Maybell Quantum raised?
- Maybell Quantum has disclosed $71.8M raised across 2 of its 3 known rounds.
- Where is Maybell Quantum headquartered?
- Maybell Quantum is headquartered in Denver, US.