Facts
- HQ
- Senningerberg, Luxembourg, LU
- Sectors
- Investment Management
- Founded
- 2020
- Employees
- 26
Private Fusion Funding Tops $4.48B in 2025 as Helion, Backed by Sam Altman, Signs 50 MW PPA with Microsoft for 2028
Private nuclear fusion investments reached a record $4.48 billion in 2025, driven by AI data center energy demand and energy security concerns, with 71% of fusion companies expecting commercial grid power in the 2030s. Helion Energy, backed by Sam Altman, began building its Orion plant in Malaga, Washington, secured a $465 million Series G led by Thrive Capital, and holds a binding PPA to deliver at least 50 MW to Microsoft by 2028.
Crunchbase: Over 40% of 2026 Seed and Series A Rounds Exceed $100M as AI Startups Attract Mega-Funding
Crunchbase data shows that in 2026 over 40% of seed and Series A rounds are $100 million or larger, driven largely by AI startups. Recent examples include Humans& ($480M seed), Ricursive Intelligence ($300M Series A) and Merge Labs ($252M seed), while mega-investments from SoftBank and cross-investments among Musk-led companies highlight escalating capital flows and concentration.
