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Material Impact is a Boston-based venture capital firm that backs and builds deep tech companies powered by materials science innovation. The firm focuses on inception-stage companies solving large-scale problems across areas such as food & water, sustainable manufacturing, mobility, energy, healthcare, robotics, and AI.
Deal activity increased 33% year-over-year (4 deals in the last 12 months). Average disclosed round size is $23.9M (across 35 rounds with reported amounts).
Portfolio
31
Fund Size
$352M
Top Stage
Series A
Last 12 Mo
3
Team
Paul Deninger
Operating Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
39 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| GGenphoenix | Unknown | $18M | Aug 2026 |
 AgZen | Series B | $10M | Mar 2026 |
 Ripple | Unknown | $17M | Dec 2025 |
 Debut | Unknown | $20M | Aug 2025 |
 Gen Phoenix | Series A | $15M | Jul 2025 |
| AgZen | Series A | $10M | Mar 2025 |
 Galy | Series B | $33M | Sep 2024 |
| GGaly | Series B | $33M | Sep 2024 |
 Tierra Biosciences | Series A | $11.4M | Mar 2024 |
 Amperesand | Seed | $12.4M | Feb 2024 |
 Talus Renewables | Series A | $22M | Nov 2023 |
 Detrapel | Series A | $7.6M | Sep 2023 |
 Nohbo | Series A | — | Jun 2023 |
| Gen Phoenix | Unknown | $18M | Mar 2023 |
 NanoGraf Corporation | Series B | $65M | Feb 2023 |
| GGenphoenix | Growth | $18M | Jan 2023 |
 Foundation Alloy | Series A | — | May 2022 |
 6K | Series C | $51M | Sep 2021 |
 Soft Robotics | Series B | $10M | Jun 2021 |
 Orbion Space Technology | Series B | $20M | Jun 2021 |
 Infinite Cooling | Series A | $12.3M | Jan 2021 |
| Nohbo | Seed | $3M | Apr 2020 |
 BloomerTech | Seed | $3M | Mar 2020 |
| Soft Robotics | Series B | $23M | Jan 2020 |
 Actnano | Series A | $12M | Jan 2020 |
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Top Co-Investors
Breakthrough Energy Ventures5 shared
Anzu Partners4 shared
Xora3 shared
ETF Partners3 shared
InMotion Ventures3 shared
Volta Energy Technologies3 shared
Energy Impact Partners3 shared
LAUNCH3 shared
Calibrate Ventures2 shared
Inditex2 shared
Artesian2 shared
Fifth Wall2 shared
Tapestry VC2 shared
TDK Ventures2 shared
Foothill Ventures2 shared
SOSV2 shared
DCVC2 shared
Emerald Technology Ventures2 shared
North Bridge Venture Partners2 shared
Last updated: 8 September 2026