Top 10 Early Stage Investors: CleanTech
| Rank | Investor Name |
|---|---|
| 1 | MCJ |
| 2 | Climate Capital |
| 3 | Andreessen Horowitz - a16z |
| 4 | ImpactAssets |
| 5 | Energy Impact Partners |
| 6 | Active Impact Investments |
| 7 | Dorm Room Fund |
| 8 | Craig Shapiro |
| 9 | Engine Ventures |
| 10 | Breakthrough Energy Ventures |
Early stage activity in this category is led by institutional venture franchises and category specialists. Decarbonization mandates and industrial climate technology drive the category, with impact capital prominent at early stages. For a company raising a priced early round, this list identifies the firms with the most active recent presence in the category.
The CapitalDart directory identifies the right person to contact at each of these firms, with their individual investment criteria.
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Rankings reflect investment activity from January 2025 through July 2026 in US and Canada companies, based on transactions matched to the CapitalDart directory. Seed and Early Stage rank by participation, Later Stage by rounds led, Private Equity by control and buyout activity. Updated periodically.