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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.
Deal activity increased 300% year-over-year (12 deals in the last 12 months). Average disclosed round size is $76.5M (across 74 rounds with reported amounts).
Portfolio
68
Fund Size
$398M
Top Stage
Seed
Last 12 Mo
12
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
88 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Alloy | Series A | $12M | Jun 2026 |
 Blue Energy | Unknown | $380M | Apr 2026 |
 Sora Fuel | Series A | $14.6M | Apr 2026 |
 AtmosZero | Unknown | — | Mar 2026 |
 Axiomatic AI | Seed | $18M | Mar 2026 |
 aXiomatic | Seed | $18M | Mar 2026 |
 Dg Matrix | Series A | $60M | Feb 2026 |
| TTrener Robotics | Series A | — | Feb 2026 |
 T-Robotics | Series A | $32M | Feb 2026 |
 Trener | Series A | $32M | Feb 2026 |
 Terrestrial Bio | Unknown | $50M | Jan 2026 |
| Blue Energy | Unknown | $380M | Jan 2026 |
 Form Energy | Series A | $750M | Jan 2026 |
| Dg Matrix | Series A | $60M | Jan 2026 |
| Trener | Series A | $32M | Jan 2026 |
 Bexorg | Series A | $23M | Oct 2025 |
 Predicta Biosciences | Series A | $23.4M | Oct 2025 |
 Genomines | Series A | — | Sep 2025 |
 Finwave | Bridge | $8.2M | May 2025 |
 Timeflow | Seed | — | Feb 2025 |
| FFinwave Semiconductor | Bridge | $8.2M | Jan 2025 |
| Predicta Biosciences | Seed | — | Jul 2024 |
| ZZefi.ai | Pre-Seed | — | May 2024 |
| Terrestrial Bio | Series C | $12M | May 2024 |
| CCelestial | Series C | $175M | Mar 2024 |
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Top Co-Investors
The Engine20 shared
Safar Partners11 shared
Breakthrough Energy Ventures9 shared
Fine Structure Ventures7 shared
Future Fund6 shared
Lowercarbon Capital6 shared
Khosla Ventures5 shared
IAG Capital Partners5 shared
Illumina Ventures4 shared
Geodesic Capital4 shared
Prelude Ventures4 shared
VXI Capital4 shared
SiteGround Capital4 shared
RA Capital Management4 shared
Moore Strategic Ventures3 shared
Equinor3 shared
Horizons Ventures3 shared
Evok Innovations3 shared
GlobalFoundries3 shared
Last updated: 20 October 2026