# Windfall Bio funding: rounds and investors

> Windfall Bio has raised $28M across 1 round since 2024. Investors include Bessemer Venture Partners, SOSV and Mayfield Fund. Every round with its source.

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

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

# Who invested in *Windfall Bio*

One round we have observed, with the 5 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.

Agtech

Funding summary Updated 26 Oct 2026

**$28M** raised across 1 round since 2024, from 1 source

- **Latest round:** Series A, $28M Apr 2024
- **Investors:** 5

See who backed them

## The rounds

- **Apr 2024** Series A **$28M** [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) [SOSV](https://millionrounds.com/fund/sosv) [Mayfield Fund](https://millionrounds.com/fund/mayfield) [Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) Source recorded

## Founders and team

From Windfall Bio's own website: 10 on the team.

- **Caitlin Leibert** Vice President of Sustainability at Whole Foods Market.
- **Josh Silverman Ph.D.** CEO
- **Forrest Baringer-Jones** Chief Financial Officer
- **Lori Giver Ph.D.** Chief Science Officer
- **Carla Risso Ph.D.** VP of Research & Development
- **Joseph Button** Straus’s VP of Sustainability and Strategic Impact.
- **Luan Nguyen** Senior VP of Technology
- **McKenzie Wilson** Director of Market Strategy and GTM
- **Steven Chu Ph.D.** Board of Directors
- **Vinit Verma** Board Advisors

Advisers *Eugene Tseng*

## Everyone who backed them

[Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) VC firm **1** round

[SOSV](https://millionrounds.com/fund/sosv) VC firm **1** round

[Mayfield Fund](https://millionrounds.com/fund/mayfield) VC firm **1** round

[Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) VC firm **1** round

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

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

## Also claim to have backed them

This firm lists Windfall Bio 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.

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

## Quick answers about Windfall Bio

### Who invested in Windfall Bio?

Windfall Bio's investors include Bessemer Venture Partners, SOSV, Mayfield Fund, Global Brain Corporation and Breakthrough Energy.

### How much has Windfall Bio raised?

Windfall Bio has raised $28M across 1 round since 2024.

### When did Windfall Bio last raise?

Windfall Bio's most recent round was a Series A of $28M in Apr 2024.

### What was Windfall Bio's biggest round?

Its most recent round, $28M in Apr 2024, is also its largest on record.

### Who backed Windfall Bio first?

Windfall Bio's first round on record, in Apr 2024, was backed by Bessemer Venture Partners, SOSV and Mayfield Fund and 2 others.

### What stage is Windfall Bio at?

Windfall Bio's latest named round is a Series A, in Apr 2024.

### Where is Windfall Bio based?

Windfall Bio is based in the United States.

## Companies like Windfall Bio

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

[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Kodama** $7.0M · Oct 2026](https://millionrounds.com/company/kodama)[**PickTrace** Oct 2026](https://millionrounds.com/company/picktrace)[**Hone** $60M · Oct 2026](https://millionrounds.com/company/hone)[**Helios Artificial Intelligence** $7.7M · Sept 2026](https://millionrounds.com/company/helios-artificial-intelligence)[**DASH Dog Food** $1.5M · Sept 2026](https://millionrounds.com/company/dash-dog-food)

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