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Fontinalis Partners is a Detroit-based venture capital firm founded in 2009 by Bill Ford, Ralph Booth, and Mark Schulz. It invests in early-stage startups on the new frontiers of efficient movement, industrial innovation, and energy, backing ambitious founders from pre-seed to Series B.
They made 2 investments in the last 12 months. Average disclosed round size is $50.9M (across 55 rounds with reported amounts).
Portfolio
40
Fund Size
—
Top Stage
Series A
Last 12 Mo
2
Team
Gabe Klein
Venture Partner
Paul Mascarenas
Venture Partner
James Kilgore
IT Director
Jake Simon
Associate
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
63 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Tomorrow.io | Growth | — | Feb 2026 |
 VulcanForms | Series D | $220M | Jan 2026 |
| Tomorrow.io | Series A | $10M | Jan 2026 |
 zeroRISC | Seed | $10M | Jan 2025 |
 Carputty | Growth | $5M | Mar 2024 |
 Fused | Pre-Seed | $1M | Mar 2024 |
 Mitra Chem | Series B | $60M | Aug 2023 |
 Chipflow | Pre-Seed | $1.5M | Jul 2023 |
 Hgen | Seed | $2M | Jul 2022 |
| VulcanForms | Growth | $355M | Jul 2022 |
 Chain.io | Series A | $11M | Jun 2022 |
 CelLink | Series D | $250M | Feb 2022 |
 CelLink | Series D | $250M | Feb 2022 |
 Vecna Robotics | Series C | $65M | Jan 2022 |
 Sibros | Series B | $70M | Jan 2022 |
| CelLink | Series D | $250M | Jan 2022 |
 Veho | Series A | $125M | Dec 2021 |
 Karamba Security | Series B | $10M | Dec 2021 |
| Mitra Chem | Series A | $20M | Nov 2021 |
| CClimaCell | Series A | $77M | Mar 2021 |
 Automotive Power | Unknown | — | Feb 2021 |
 Highland Electric Transportation | Growth | $253M | Jan 2021 |
| CClimaCell | Series B | $45M | Jan 2021 |
 Gatik | Series A | $25M | Nov 2020 |
 Humatics | Series B | $30M | Sep 2020 |
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Top Co-Investors
Silicon Valley Bank9 shared
Square Peg Capital7 shared
Canaan Partners7 shared
8VC6 shared
Blackhorn Ventures6 shared
Presidio Ventures6 shared
Techstars5 shared
Stonecourt Capital5 shared
Clearvision Ventures5 shared
Cox Enterprises5 shared
D1 Capital Partners5 shared
Trucks Venture Capital5 shared
Story Ventures5 shared
Airbus Ventures5 shared
Lockheed Martin Ventures5 shared
Ascend Venture Capital5 shared
Runway Growth Capital4 shared
Carthona Capital4 shared
Tectonic Ventures4 shared
Last updated: 7 October 2026