General Fusion key facts
as of Oct 2026- Developer of an alternative power generation system designed to transform energy supply with clean, safe, and abundant fusion energy.
- General Fusion is valued at approximately $395.0M as of Oct 2026, set at its later-stage round, Dec 2025; nothing has traded since, per PrivateMarketView’s mark.
- It has raised $612.0M across 5 recorded rounds; the latest was Early Stage VC ($38.2M) in Nov 2025.
- Notable investors include Climate Capital, Gaingels, Calm Ventures, BDC Capital, GIC Private — 51 tracked in total.
- General Fusion has filed 10 Form Ds with the SEC since 2009, most recently Feb 2026 ($350K sold to 1 investors).
- Status: Privately Held (backing).
Valued at $395.0M at its later-stage round, Dec 2025. Nothing has traded since.
- ·The complete investor list: 51 names
- ·Watch General Fusion: the Monday email on marks, rounds and moves
General Fusion funding rounds
5 roundsWho backs General Fusion
51+General Fusion valuation
General Fusion was valued at $395 million at its later-stage round in Dec 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.
How much has General Fusion raised?
General Fusion has raised $612 million in total; 5 of its rounds are on record, from 2012 on. The largest on record was a $500,000 seed round in Jul 2020; the most recent was a $38.2 million early-stage round in Nov 2025.
General Fusion has filed 10 Form Ds with the SEC since 2009, most recently in Feb 2026 ($350,000 sold to 1 investor).
General Fusion investors
51 investors are on record for General Fusion, including Climate Capital, Gaingels, Calm Ventures and BDC Capital. By type, the record holds 7 venture capital firms and 4 family offices. The early-stage round in Nov 2025 drew 70 investors.
About General Fusion
Developer of an alternative power generation system designed to transform energy supply with clean, safe, and abundant fusion energy. The company's systems are commercially viable fusion power plants used to accelerate the development of its magnetized target fusion system, enabling research institutions to use shockwave physics, pulsed power engineering, and materials technology, reducing technical risk and fast-tracking their approach to fusion energy.
- Sector
- Energy
- HQ
- Richmond, Canada
- Founded
- 2002
- Employees
- 134
- Website
- generalfusion.com/
- Ownership
- Privately Held (backing)
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