# WindBorne Systems funding: rounds and investors

> WindBorne Systems has raised $42M across 2 rounds since 2024. Investors include Khosla Ventures, Pear VC and Bossa Invest. Every round with its source.

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

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

# Who invested in *WindBorne Systems*

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.

Big Data & Analytics

Raised 3 months ago

Funding summary Updated 26 Oct 2026

**$42M** raised across 2 rounds since 2024, from 2 sources

**$5.0M** Venture **$37M** Series B

- **Latest round:** Series B, $37M Aug 2026
- **Step-up i:** 7.4×
- **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.

2025 2026

**$5.0M** Venture

**$37M** Series B

- **First round:** Venture, $5.0M
- **Biggest round:** $37M
- **Between rounds:** 20 months

## The rounds

- **Aug 2026** Series B **$37M** *1 new* *2 returning* [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Lux Capital](https://millionrounds.com/fund/lux-capital) [Pear VC](https://millionrounds.com/fund/pear-vc) Source recorded SEC filing: $37M sold
- **Dec 2024** Venture **$5.0M** *3 new* [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Bossa Invest](https://millionrounds.com/fund/bossa-invest) [Pear VC](https://millionrounds.com/fund/pear-vc) Source recorded

## 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.

**Venture** 2024 **Series B** 2026 [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Pear VC](https://millionrounds.com/fund/pear-vc) [Bossa Invest](https://millionrounds.com/fund/bossa-invest) [Lux Capital](https://millionrounds.com/fund/lux-capital)

## Everyone who backed them

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

[Pear VC](https://millionrounds.com/fund/pear-vc) VC firm **2** rounds

[Bossa Invest](https://millionrounds.com/fund/bossa-invest) VC firm **1** round

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

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

## Also claim to have backed them

These 2 firms list WindBorne Systems as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Julia DeWahl](https://millionrounds.com/fund/julia-dewahl) VC firm Per its own site

[Jetstream](https://millionrounds.com/fund/jetstream) VC firm Per its own site

## Quick answers about WindBorne Systems

### Who invested in WindBorne Systems?

WindBorne Systems's investors include Khosla Ventures, Pear VC, Bossa Invest and Lux Capital.

### How much has WindBorne Systems raised?

WindBorne Systems has raised $42M across 2 rounds since 2024.

### When did WindBorne Systems last raise?

WindBorne Systems's most recent round was a Series B of $37M in Aug 2026.

### What was WindBorne Systems's biggest round?

Its most recent round, $37M in Aug 2026, is also its largest on record.

### Who backed WindBorne Systems first?

WindBorne Systems's first round on record, in Dec 2024, was backed by Khosla Ventures, Bossa Invest and Pear VC.

### What stage is WindBorne Systems at?

WindBorne Systems's latest named round is a Series B, in Aug 2026.

### Where is WindBorne Systems based?

WindBorne Systems is based in the United States.

## Companies like WindBorne Systems

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Xona** $512M · Oct 2026](https://millionrounds.com/company/xona)[**DrizzleX** $9.1M · Oct 2026](https://millionrounds.com/company/drizzlex)[**Prism Data** $25M · Oct 2026](https://millionrounds.com/company/prism-data)[**Homa** $5.0M · Oct 2026](https://millionrounds.com/company/homa)

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