Funding
Series A · Climate tech

Inertia Enterprises raises $450m Series A for fusion energy

Bessemer Venture Partners, GV, Modern Capital and other investors participated in the financing.

Updated Oct 16, 2026By RoundOS Funding desk

Inertia Enterprises raised $450 million in Series A financing on February 11. Participants included Bessemer Venture Partners, GV, Modern Capital, Threshold Ventures, Neo, Uncork Capital, Long Journey Ventures, WndrCo and IQT. The company develops fusion-energy technology.

Funding history

Series A · This round$450M

Sources

  1. Inertia Enterprisesprojectstartups.com
  2. techcrunch.com

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