# Helion funding: rounds and investors

> Helion has raised $465M across 1 round since 2026. Investors include Thrive Capital, Lightspeed Venture Partners and BoxGroup. Every round with its source.

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

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

# Who invested in *Helion*

One round we have observed, with the 12 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cleantech Energy

Raised 5 months ago

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Funding summary Updated 5 Nov 2026

**$465M** raised across 1 round since 2026, from 3 sources

- **Latest round:** Growth, $465M Jun 2026
- **Led by:** Thrive Capital
- **Investors:** 12 (1 led)

See who backed them

## The rounds

- **Jun 2026** Growth **$465M** [Thrive Capital](https://millionrounds.com/fund/thrive-capital) Lead [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [BoxGroup](https://millionrounds.com/fund/boxgroup) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Surge](https://millionrounds.com/fund/peak-xv-partners) [SoftBank Vision Fund 2](https://millionrounds.com/fund/softbank-vision-fund-2) [ANTI FUND](https://millionrounds.com/fund/anti-fund) [Alta Park Capital, LP](https://millionrounds.com/fund/alta-park-capital-lp) [Mithril Capital](https://millionrounds.com/fund/mithril-capital) [Capricorn's Technology Impact Funds](https://millionrounds.com/fund/capricorn-s-technology-impact-funds) [Bill Ford](https://millionrounds.com/fund/bill-ford) [Dustin Moskovitz through Good Ventures Foundation](https://millionrounds.com/fund/dustin-moskovitz-through-good-ventures-foundation) Reported by TechCrunch and 2 others

## Everyone who backed them

[Thrive Capital](https://millionrounds.com/fund/thrive-capital) Accelerator **1** round, led 1

[Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) VC firm **1** round

[BoxGroup](https://millionrounds.com/fund/boxgroup) VC firm **1** round

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

[Surge](https://millionrounds.com/fund/peak-xv-partners) Accelerator **1** round

[SoftBank Vision Fund 2](https://millionrounds.com/fund/softbank-vision-fund-2) Growth equity **1** round

[ANTI FUND](https://millionrounds.com/fund/anti-fund) VC firm **1** round

[Alta Park Capital, LP](https://millionrounds.com/fund/alta-park-capital-lp) Private equity **1** round

[Mithril Capital](https://millionrounds.com/fund/mithril-capital) Investment firm **1** round

[Capricorn's Technology Impact Funds](https://millionrounds.com/fund/capricorn-s-technology-impact-funds) Investment firm **1** round

[Bill Ford](https://millionrounds.com/fund/bill-ford) Angel **1** round

[Dustin Moskovitz through Good Ventures Foundation](https://millionrounds.com/fund/dustin-moskovitz-through-good-ventures-foundation) VC firm **1** round

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

## Quick answers about Helion

### Who invested in Helion?

Helion's investors include Thrive Capital, Lightspeed Venture Partners, BoxGroup, Lux Capital and Surge, and 7 more on record. Thrive Capital led its latest round.

### How much has Helion raised?

Helion has raised $465M across 1 round since 2026.

### When did Helion last raise?

Helion's most recent round was a Growth of $465M in Jun 2026, led by Thrive Capital.

### What was Helion's biggest round?

Its most recent round, $465M in Jun 2026, is also its largest on record.

### Who backed Helion first?

Helion's first round on record, in Jun 2026, was backed by Thrive Capital, Lightspeed Venture Partners and BoxGroup and 9 others.

### What stage is Helion at?

Helion's latest named round is a Growth, in Jun 2026.

### Where is Helion based?

Helion is based in the United States.

### Who led Helion's rounds?

Thrive Capital led the Growth in 2026.

## Companies like Helion

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)[**Emvolon** $22M · Oct 2026](https://millionrounds.com/company/emvolon)[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)

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