Climate Tech Startups, Venture Capital, Exits and Innovation (Dealroom)

Summary

• SOSV is the most active climate tech investor with 331 rounds across 172 companies.§2
• Y Combinator follows with 305 climate tech rounds and InnoEnergy with 273.§2
• Rivian Automotive has the highest all-time total funding at $12.3 billion, ahead of Cruise at $9.1 billion.§2
• Austin leads climate tech venture capital by metro at $5.6 billion in the last 12 months to end of Q3 2026, followed by Denver at $5.4 billion.§4
• The Bay Area has 51 climate tech unicorns.§4
• Crusoe's $3.9 billion Series F in Sep 2026 is the biggest climate tech round of the period.§5

Key insights

1. Bpifrance recorded 200 climate tech rounds across 164 companies.§2
2. Northvolt has raised $7.7 billion and Stegra $4.2 billion in all-time total funding.§2
3. Stockholm raised $1.9 billion in climate tech venture capital in the last 12 months to end of Q3 2026.§4
4. London raised $2.7 billion in the same 12-month period.§4
5. The Bay Area has $1.8T of climate tech enterprise value, alongside Austin at $1.5T.§4
6. The Boring Company raised $3.0 billion in a Series D in Sep 2026.§5
7. Stegra raised $1.5 billion in a growth equity round in Jun 2026.§5