
Quantonation is an early-stage venture capital firm that invests globally in deep technologies based on advances in physics and computing. Their strategy focuses on quantum technologies, including quantum computing, advanced materials, photonics, and ultra-precise sensing, with investments typically ranging from pre-seed to Series A and B rounds.
46% of their portfolio is in Hardware & Semiconductors. Deal activity increased 200% year-over-year (9 deals in the last 12 months). Average disclosed round size is $21.8M (across 20 rounds with reported amounts).
Portfolio
24
Fund Size
$260M
Top Stage
Series A
Last 12 Mo
9
Team
Oliver Tonneau
Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
24 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| Series A | $10M | Mar 2026 | |
| CChiral Nano AG | Seed | $12M | Feb 2026 |
| Series A | $20M | Jan 2026 | |
| PPrediQT Technologies | Seed | $4M | Dec 2025 |
| Seed | $6.8M | Oct 2025 | |
| Series A | $10M | Jun 2025 | |
| MMultiverse Computing | Series D | $215M | Jun 2025 |
| Seed | $20M | Jun 2025 | |
| Pre-Seed | — | Apr 2025 | |
| IInSpek | Seed | $6.5M | Sep 2024 |
| Pre-Seed | — | Jul 2024 | |
| QQblox | Series A | $24.2M | Jun 2024 |
| SSteerLight | Seed | $3.2M | Mar 2024 |
| MMultiverse Computing | Series A | $25M | Mar 2024 |
| Series A | $15M | Feb 2024 | |
| Unknown | $8.7M | Jan 2024 | |
| Seed | $11.6M | Dec 2023 | |
| Series B | — | Jan 2023 | |
| WWelinq | Pre-Seed | $5.4M | Jan 2023 |
| Series A | $8M | Oct 2022 | |
| Series A | $25M | Jun 2021 | |
| Seed | $2M | May 2021 | |
| QQnami | Series A | $3.6M | May 2021 |
| QQC Design | Pre-Seed | — | — |
Top Co-Investors
Runa Capital3 shared
Daphni2 shared
Eni Next2 shared
Speedinvest2 shared
Vsquared Ventures1 shared
Salvia1 shared
Columbus Venture Partners1 shared
Breega1 shared
Wind1 shared
HV Capital1 shared
DeepTech & Climate Fonds (DTCF)1 shared
Entrada Ventures1 shared
First Momentum1 shared
Temasek Holdings1 shared
Defense Innovation Fund1 shared
Bpifrance1 shared
Formation 81 shared
Castle Island Ventures1 shared
Coinbase Ventures1 shared
Last updated: 12 April 2026