# G.I. Windows funding: rounds and investors

> G.I. Windows has raised $39M across 2 rounds since 2014. Every round with its source.

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

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

# Who invested in *G.I. Windows*

2 rounds we have observed, with the 0 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.

Biotech

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Funding summary Updated 31 Oct 2026

**$39M** raised across 2 rounds since 2014, from 2 sources

**$2.4M** Debt **$37M** Series B

- **Latest round:** Series B, $37M Nov 2024
- **Step-up i:** 15.5×
- **Investors:** 0

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.

2014 2016 2018 2020 2022 2024

**$2.4M** Debt

**$37M** Series B

- **First round:** Debt, $2.4M
- **Biggest round:** $37M
- **Between rounds:** 10.7 years

## The rounds

- **Nov 2024** Series B **$37M** No investor was named in the report. Source recorded SEC filing: $34M sold, first sale Oct 2024
- **Feb 2014** Debt **$2.4M** No investor was named in the report. From a historical funding record SEC filing: $2.4M sold, first sale Feb 2014

## Also claim to have backed them

This firm lists G.I. Windows 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.

[Longview Ventures](https://millionrounds.com/fund/broadview-ventures-inc) VC firm Per its own site

## Quick answers about G.I. Windows

### How much has G.I. Windows raised?

G.I. Windows has raised $39M across 2 rounds since 2014.

### When did G.I. Windows last raise?

G.I. Windows's most recent round was a Series B of $37M in Nov 2024.

### What was G.I. Windows's biggest round?

Its most recent round, $37M in Nov 2024, is also its largest on record.

### What stage is G.I. Windows at?

G.I. Windows's latest named round is a Series B, in Nov 2024.

### Where is G.I. Windows based?

G.I. Windows is based in the United States.

## Companies like G.I. Windows

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

[**Dren Bio** $375M · Oct 2026](https://millionrounds.com/company/dren-bio)[**Caravel Bio** $9.0M · Oct 2026](https://millionrounds.com/company/caravel-bio)[**DMC Biotechnologies** $19M · Oct 2026](https://millionrounds.com/company/dmc-biotechnologies)[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)

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