# Commonwealth Fusion Systems funding: rounds and investors

> Commonwealth Fusion Systems has raised $1.9B across 2 rounds since 2025. Investors include Khosla Ventures, Coatue and HOF Capital. Every round with its source.

Source: https://millionrounds.com/company/commonwealth-fusion-systems (Millionrounds; every figure on the page links to its filing or article)

United States · [Growth startup](https://millionrounds.com/companies)

# Who invested in *Commonwealth Fusion Systems*

2 rounds we have observed, with the 28 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cleantech Climate Tech Energy

Raised 3 months ago

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Funding summary Updated 5 Nov 2026

**$1.9B** raised across 2 rounds since 2025, from 4 sources

**$863M** Series B **$1.0B** Growth

- **Latest round:** Growth, $1.0B Jul 2026
- **Investors:** 28

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026

**$863M** Series B

**$1.0B** Growth

- **First round:** Series B, $863M
- **Biggest round:** $1.0B
- **Between rounds:** 11 months

## The rounds

- **Jul 2026** Growth **$1.0B** *4 returning* [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Coatue](https://millionrounds.com/fund/coatue-management) [HOF Capital](https://millionrounds.com/fund/hof-capital) [Safar Partners](https://millionrounds.com/fund/safar-partners) Reported by TechCrunch and 1 other
- **Aug 2025** Series B **$863M** *28 new* [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) [Coatue](https://millionrounds.com/fund/coatue-management) [Temasek Holdings](https://millionrounds.com/fund/temasek) [Quiet Capital](https://millionrounds.com/fund/quiet-capital) [NVIDIA](https://millionrounds.com/fund/nvidia) [Google](https://millionrounds.com/fund/google-assistant-investments) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) [HOF Capital](https://millionrounds.com/fund/hof-capital) [Galaxy Interactive](https://millionrounds.com/fund/galaxy-interactive-2) [Safar Partners](https://millionrounds.com/fund/safar-partners) [Eric Schmidt](https://millionrounds.com/fund/eric-schmidt) [Emerson Collective](https://millionrounds.com/fund/emerson-collective) [Hostplus](https://millionrounds.com/fund/hostplus) [Gigascale Capital](https://millionrounds.com/fund/gigascale-capital) [Brevan Howard](https://millionrounds.com/fund/brevan-howard) [Neva SGR](https://millionrounds.com/fund/neva-sgr) [Gates Frontier](https://millionrounds.com/fund/gates-frontier) [Nvidia's NVentures](https://millionrounds.com/fund/nvidia-s-nventures) [Planet First Partners](https://millionrounds.com/fund/planet-first-partners) [Stanley Druckenmiller](https://millionrounds.com/fund/stanley-druckenmiller) [Future Ventures](https://millionrounds.com/fund/future-ventures) [Morgan Stanley's Counterpoint Global](https://millionrounds.com/fund/morgan-stanley-s-counterpoint-global) [Eni](https://millionrounds.com/fund/eni) [FFA Private Bank in Dubai](https://millionrounds.com/fund/ffa-private-bank-in-dubai) [Starlight Ventures](https://millionrounds.com/fund/starlight-ventures) [Woori Venture Partners US](https://millionrounds.com/fund/woori-venture-partners-us) Reported by Crunchbase News and 1 other

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Series B** 2025 **Growth** 2026 [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Coatue](https://millionrounds.com/fund/coatue-management) [HOF Capital](https://millionrounds.com/fund/hof-capital) [Safar Partners](https://millionrounds.com/fund/safar-partners) [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) [Temasek Holdings](https://millionrounds.com/fund/temasek) [Quiet Capital](https://millionrounds.com/fund/quiet-capital) [NVIDIA](https://millionrounds.com/fund/nvidia) [Google](https://millionrounds.com/fund/google-assistant-investments) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy)

## Everyone who backed them

[Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) VC firm **2** rounds

[Coatue](https://millionrounds.com/fund/coatue-management) VC firm **2** rounds

[HOF Capital](https://millionrounds.com/fund/hof-capital) VC firm **2** rounds

[Safar Partners](https://millionrounds.com/fund/safar-partners) VC firm **2** rounds

[Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) VC firm **1** round

[Temasek Holdings](https://millionrounds.com/fund/temasek) VC firm **1** round

[Quiet Capital](https://millionrounds.com/fund/quiet-capital) VC firm **1** round

[NVIDIA](https://millionrounds.com/fund/nvidia) Company **1** round

[Google](https://millionrounds.com/fund/google-assistant-investments) Accelerator **1** round

[Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) VC firm **1** round

[Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) VC firm **1** round

[Galaxy Interactive](https://millionrounds.com/fund/galaxy-interactive-2) VC firm **1** round

[Eric Schmidt](https://millionrounds.com/fund/eric-schmidt) Company **1** round

[Emerson Collective](https://millionrounds.com/fund/emerson-collective) Family office **1** round

[Hostplus](https://millionrounds.com/fund/hostplus) Private equity **1** round

[Gigascale Capital](https://millionrounds.com/fund/gigascale-capital) VC firm **1** round

[Brevan Howard](https://millionrounds.com/fund/brevan-howard) Asset manager **1** round

[Neva SGR](https://millionrounds.com/fund/neva-sgr) VC firm **1** round

[Gates Frontier](https://millionrounds.com/fund/gates-frontier) Growth equity **1** round

[Nvidia's NVentures](https://millionrounds.com/fund/nvidia-s-nventures) Growth equity **1** round

[Planet First Partners](https://millionrounds.com/fund/planet-first-partners) Growth equity **1** round

[Stanley Druckenmiller](https://millionrounds.com/fund/stanley-druckenmiller) Growth equity **1** round

[Future Ventures](https://millionrounds.com/fund/future-ventures) VC firm **1** round

[Morgan Stanley's Counterpoint Global](https://millionrounds.com/fund/morgan-stanley-s-counterpoint-global) Growth equity **1** round

[Eni](https://millionrounds.com/fund/eni) Growth equity **1** round

[FFA Private Bank in Dubai](https://millionrounds.com/fund/ffa-private-bank-in-dubai) Growth equity **1** round

[Starlight Ventures](https://millionrounds.com/fund/starlight-ventures) VC firm **1** round

[Woori Venture Partners US](https://millionrounds.com/fund/woori-venture-partners-us) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=commonwealth-fusion-systems).

## Quick answers about Commonwealth Fusion Systems

### Who invested in Commonwealth Fusion Systems?

Commonwealth Fusion Systems's investors include Khosla Ventures, Coatue, HOF Capital, Safar Partners and Tiger Global Management, and 23 more on record.

### How much has Commonwealth Fusion Systems raised?

Commonwealth Fusion Systems has raised $1.9B across 2 rounds since 2025.

### When did Commonwealth Fusion Systems last raise?

Commonwealth Fusion Systems's most recent round was a Growth of $1.0B in Jul 2026.

### What was Commonwealth Fusion Systems's biggest round?

Its most recent round, $1.0B in Jul 2026, is also its largest on record.

### Who backed Commonwealth Fusion Systems first?

Commonwealth Fusion Systems's first round on record, in Aug 2025, was backed by Khosla Ventures, Tiger Global Management and Coatue and 25 others.

### What stage is Commonwealth Fusion Systems at?

Commonwealth Fusion Systems's latest named round is a Growth, in Jul 2026.

### Where is Commonwealth Fusion Systems based?

Commonwealth Fusion Systems is based in the United States.

## Companies like Commonwealth Fusion Systems

In the same sector, and raised in the last eighteen months.

[**Group14 Technologies** $632M · Oct 2026](https://millionrounds.com/company/group14-technologies)[**Mammoth Energy Services** $58M · Oct 2026](https://millionrounds.com/company/mammoth-energy-services)[**DMC Biotechnologies** $19M · Oct 2026](https://millionrounds.com/company/dmc-biotechnologies)[**Terradot** $92M · Oct 2026](https://millionrounds.com/company/terradot)[**Emvolon** $22M · Oct 2026](https://millionrounds.com/company/emvolon)[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)

## Find investors like these

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