Biotech & Life SciencesClimate & EnergyHealthcareHardware & SemiconductorsRobotics & AutomationManufacturing
Engine Ventures is a Cambridge, MA-based venture capital firm spun out from MIT in 2016 that invests in 'Tough Tech' founders solving critical global challenges in climate, human health, and advanced systems. The firm provides capital, operational expertise, and a powerful network to bridge the gap from scientific discovery to commercialization.
32% of their portfolio is in Climate & Energy. Deal activity increased 125% year-over-year (9 deals in the last 12 months). Average disclosed round size is $56.3M (across 57 rounds with reported amounts).
Portfolio
51
Fund Size
$398M
Top Stage
Seed
Last 12 Mo
11
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
62 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Blue Energy | Unknown | $380M | Apr 2026 |
 Sora Fuel | Series A | $14.6M | Apr 2026 |
 AtmosZero | Unknown | — | Mar 2026 |
 Axiomatic AI | Seed | $18M | Mar 2026 |
 DG Matrix | Series A | $60M | Feb 2026 |
| TTrener Robotics | Series A | $32M | Feb 2026 |
 T-ROBOTICS | Series A | $32M | Feb 2026 |
 Terrestrial Bio | Unknown | $50M | Jan 2026 |
| Blue Energy | Unknown | $380M | Jan 2026 |
 Bexorg | Series A | $23M | Oct 2025 |
 Genomines | Series A | $45M | Sep 2025 |
 Commonwealth Fusion Systems | Series B | $863M | Aug 2025 |
 Finwave | Bridge | $8.2M | May 2025 |
| TTimeFlow | Seed | — | Feb 2025 |
 Predicta Biosciences | Seed | $5.2M | Jul 2024 |
| ZZefi.ai | Pre-Seed | — | May 2024 |
| Terrestrial Bio | Series C | $12M | May 2024 |
 DBOS | Seed | $8.5M | Mar 2024 |
 Guidoio | Pre-Seed | — | Feb 2024 |
 Osmoses | Seed | $11M | Oct 2023 |
 Amide | Series A | $7.5M | Jul 2023 |
| Amide | Series A | $7.5M | Jan 2023 |
 Syzygy Plasmonics | Series C | $76M | Nov 2022 |
 Axoft | Seed | $8M | Oct 2022 |
 Atlantic Quantum | Seed | $9M | Jul 2022 |
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Top Co-Investors
Safar Partners7 shared
Breakthrough Energy Ventures6 shared
Fine Structure Ventures5 shared
Future Fund4 shared
Khosla Ventures4 shared
VXI Capital4 shared
Equinor3 shared
Horizons Ventures3 shared
Evok Innovations3 shared
Collaborative Fund3 shared
Lowercarbon Capital3 shared
Prelude Ventures3 shared
Plug and Play Tech Center3 shared
SiteGround Capital3 shared
Starlight Ventures2 shared
Moore Strategic Ventures2 shared
Schooner Capital2 shared
True Ventures2 shared
Chevron Technology Ventures2 shared
Last updated: 7 September 2026