# LuxWall funding: rounds and investors

> LuxWall has raised $154M across 2 rounds since 2025. Investors include Khosla Ventures, US Department of Energy and Breakthrough Energy.

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

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

# Who invested in *LuxWall*

2 rounds we have observed, with the 4 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.

Construction

Raised 3 months ago

Funding summary Updated 26 Oct 2026

**$154M** raised across 2 rounds since 2025, from 2 sources

**$77M** Round **$77M** Debt

- **Latest round:** Debt, $77M Aug 2026
- **Biggest round:** $77M Round · Dec 2025
- **Investors:** 4

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

**$77M** Round

**$77M** Debt

- **First round:** Round, $77M
- **Biggest round:** $77M
- **Between rounds:** 8 months

## The rounds

- **Aug 2026** Debt **$77M** *4 new* [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) [Trinity Capital](https://millionrounds.com/fund/trinity-capital) Source recorded
- **Dec 2025** Round **$77M** No investor was named in the report. Filed with the SEC (Form D); no report of this raise yet SEC filing: $77M sold, first sale Dec 2025

## 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.

**Round** 2025 **Debt** 2026 [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) [Trinity Capital](https://millionrounds.com/fund/trinity-capital)

## Everyone who backed them

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

[US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) Government **1** round

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

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

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

## Also claim to have backed them

This firm lists LuxWall as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Baruch Future Ventures](https://millionrounds.com/fund/baruch-future-ventures) VC firm Per its own site

## Quick answers about LuxWall

### Who invested in LuxWall?

LuxWall's investors include Khosla Ventures, US Department of Energy, Breakthrough Energy and Trinity Capital.

### How much has LuxWall raised?

LuxWall has raised $154M across 2 rounds since 2025.

### When did LuxWall last raise?

LuxWall's most recent round was a Debt of $77M in Aug 2026.

### What was LuxWall's biggest round?

LuxWall's largest round on record is $77M, in Dec 2025.

### Who backed LuxWall first?

LuxWall's first round on record, in Aug 2026, was backed by Khosla Ventures, US Department of Energy and Breakthrough Energy and 1 others.

### What stage is LuxWall at?

LuxWall's latest named round is a Debt, in Aug 2026.

### Where is LuxWall based?

LuxWall is based in the United States.

## Companies like LuxWall

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

[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Mach9** $46M · Oct 2026](https://millionrounds.com/company/mach9)[**Fireworks AI** $1.7B · Oct 2026](https://millionrounds.com/company/fireworks-ai)[**ASI** $325M · Oct 2026](https://millionrounds.com/company/asi)[**Fragment** $22M · Oct 2026](https://millionrounds.com/company/fragment)

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