Quantonation is an early-stage venture capital firm dedicated to quantum technologies and deep physics, investing globally in startups developing quantum computing, sensing, networking, photonics, and other physics-based technologies. Founded in 2018 and headquartered in Paris with an office in Boston, it closed its oversubscribed second fund (Quantonation II) at €220 million (~$260 million USD) in 2026.
41% of their portfolio is in Hardware & Semiconductors. Average disclosed round size is $35.1M (across 26 rounds with reported amounts).
Portfolio
39
Fund Size
$260M
Top Stage
Seed
Last 12 Mo
7
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
66 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 SBQuantum | Seed | $4M | Apr 2026 |
 MemQ | Series A | $10M | Mar 2026 |
 Vertical Compute | Seed | — | Mar 2026 |
 Chiralnano | Seed | $12M | Feb 2026 |
 Project Eleven | Series A | $20M | Jan 2026 |
 Nord Quantique | Seed | $30M | Jan 2026 |
| Vertical Compute | Seed | — | Jan 2026 |
 Pasqal | Seed | — | Jan 2026 |
 Diraq | Series A | $100M | Jan 2026 |
 PrediQT | Seed | — | Dec 2025 |
 PINC Technologies Inc. | Seed | $6.8M | Oct 2025 |
 Qunnect | Series A | $10M | Jun 2025 |
 Multiverse Computing | Series D | $215M | Jun 2025 |
| Multiverse Computing | Series B | $189M | Jun 2025 |
 Tau Systems | Seed | $20M | Jun 2025 |
 Quminex | Pre-Seed | — | Apr 2025 |
| Vertical Compute | Seed | — | Jan 2025 |
 EuQlid | Unknown | $3M | Jan 2025 |
| Project Eleven | Seed | $6M | Jan 2025 |
 InSpek | Seed | $6.5M | Sep 2024 |
 Pioniq Technologies | Pre-Seed | — | Jul 2024 |
 Qblox | Series A | — | Jun 2024 |
 Steerlight | Seed | — | Mar 2024 |
| Multiverse Computing | Series A | — | Mar 2024 |
| Diraq | Series A | $15M | Feb 2024 |
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Top Co-Investors
European Innovation Council (EIC)14 shared
Speedinvest8 shared
Bpifrance5 shared
XAnge5 shared
Eni Next4 shared
Defense Innovation Fund4 shared
Daphni4 shared
Runa Capital4 shared
Verve Ventures4 shared
High-Tech Gründerfonds4 shared
Mustard Seed Maze4 shared
Kima Ventures4 shared
Octopus Ventures3 shared
Cisco Investments3 shared
QDNL Participations3 shared
Plug and Play Tech Center3 shared
Omnes Capital3 shared
Innovate UK3 shared
imec.xpand3 shared
Last updated: 7 October 2026