# Billy funding: rounds and investors

> Billy has raised $8.9M across 2 rounds since 2024. Investors include Plug and Play, Gaingels and Hustle Fund. Every round with its source.

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

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

# Who invested in *Billy*

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.

Biotech Construction Healthcare

Funding summary Updated 26 Oct 2026

**$8.9M** raised across 2 rounds since 2024, from 2 sources

**$4.5M** Venture **$4.4M** Seed

- **Latest round:** Seed, $4.4M Nov 2024
- **Biggest round:** $4.5M Venture · Mar 2024
- **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

**$4.5M** Venture

**$4.4M** Seed

- **First round:** Venture, $4.5M
- **Biggest round:** $4.5M
- **Between rounds:** 8 months

## The rounds

- **Nov 2024** Seed **$4.4M** No investor was named in the report. Source recorded
- **Mar 2024** Venture **$4.5M** *4 new* [Plug and Play](https://millionrounds.com/fund/plug-and-play) [Gaingels](https://millionrounds.com/fund/gaingels) [Hustle Fund](https://millionrounds.com/fund/hustle-fund) [Ada Ventures](https://millionrounds.com/fund/ada-ventures) 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 **Seed** 2024 [Plug and Play](https://millionrounds.com/fund/plug-and-play) [Gaingels](https://millionrounds.com/fund/gaingels) [Hustle Fund](https://millionrounds.com/fund/hustle-fund) [Ada Ventures](https://millionrounds.com/fund/ada-ventures)

## Everyone who backed them

[Plug and Play](https://millionrounds.com/fund/plug-and-play) Accelerator **1** round

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

[Hustle Fund](https://millionrounds.com/fund/hustle-fund) VC firm **1** round

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

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

## Also claim to have backed them

This firm lists Billy 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.

[SLO Seed Ventures](https://millionrounds.com/fund/central-coast-ventures) Angel network Per its own site

## Quick answers about Billy

### Who invested in Billy?

Billy's investors include Plug and Play, Gaingels, Hustle Fund and Ada Ventures.

### How much has Billy raised?

Billy has raised $8.9M across 2 rounds since 2024.

### When did Billy last raise?

Billy's most recent round was a Seed of $4.4M in Nov 2024.

### What was Billy's biggest round?

Billy's largest round on record is $4.5M (Venture), in Mar 2024.

### Who backed Billy first?

Billy's first round on record, in Mar 2024, was backed by Plug and Play, Gaingels and Hustle Fund and 1 others.

### What stage is Billy at?

Billy's latest named round is a Seed, in Nov 2024.

### Where is Billy based?

Billy is based in the United States.

## Companies like Billy

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

[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)

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