# In8bio funding: rounds and investors

> In8bio has raised $20M across 1 round since 2025. Every round with its source.

Source: https://millionrounds.com/company/in8bio (Millionrounds; every figure on the page links to its filing or article)

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

# Who invested in *In8bio*

One round we have observed, with the 0 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.

Biotech

Raised 11 months ago

Follow In8bio and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fin8bio)

Funding summary Updated 15 Nov 2026

**$20M** raised across 1 round since 2025, from 1 source

- **Latest round:** Round, $20M Dec 2025
- **Investors:** 0

See who backed them

## The rounds

- **Dec 2025** Round **$20M** No investor was named in the report. Filed with the SEC (Form D); no report of this raise yet SEC filing: $20M sold, first sale Dec 2025

## Funding filed with regulators

In8bio filed 4 raises, $82M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Dec 2025 **$20M** 17 investors of $40M offered SEC Form D
- Oct 2024 **$12M** 73 investors SEC Form D
- Dec 2023 **$14M** 20 investors equity, options SEC Form D
- May 2018 **$35M** 33 investors equity SEC Form D

## Founders and team

From In8bio's own website: 1 founder, 2 on the team.

**William Ho** Chief Executive Officer and Co-Founder

- **Stacey Bilinski** Vice President, Clinical Operations
- **Patrick McCall** Chief Financial Officer

## Quick answers about In8bio

### How much has In8bio raised?

In8bio has raised $20M across 1 round since 2025.

### When did In8bio last raise?

In8bio's most recent round, $20M, was in Dec 2025.

### What was In8bio's biggest round?

Its most recent round, $20M in Dec 2025, is also its largest on record.

### Where is In8bio based?

In8bio is based in the United States.

## Companies like In8bio

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

[**Neuvivo** $1.4M · Nov 2026](https://millionrounds.com/company/neuvivo)[**Mirendil** $1.4B · Nov 2026](https://millionrounds.com/company/mirendil)[**Nanopath** $25M · Nov 2026](https://millionrounds.com/company/nanopath)[**Frontier Bio** $1.7M · Nov 2026](https://millionrounds.com/company/frontier-bio)[**InSitu Biologics** $22M · Nov 2026](https://millionrounds.com/company/insitu-biologics)[**CARI Health** $3.1M · Nov 2026](https://millionrounds.com/company/cari-health)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app