Who invested in Petfolk

2 rounds we have observed, with the 2 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.

Healthcare

Raised 3 months ago

Funding summaryUpdated 26 Oct 2026

$76Mraised across 2 rounds since 2024, from 2 sources

$36MSeries C$40MVenture

Latest round: Venture, $40MAug 2026
Investors: 2

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.

20252026

$36MSeries C$40MVenture

First round: Series C, $36M
Biggest round: $40M
Between rounds: 22 months

The rounds

Aug 2026
Venture$40M2 returning
- Deerfield
- White Star Capital
Source recordedSEC filing: $40M sold
Oct 2024
Series C$36M2 new
- Deerfield
- White Star Capital
Source recordedSEC filing: $36M sold, first sale Oct 2024

Founders and team

From Petfolk's own website: 1 founder, 4 on the team.

Dr. Audrey WystrachCo-Founder, Co-CEO & DVM

Dr. Jessica TaylorChief Medical Officer
Dr. Antoinette MartinVP, Medical Strategy and Development
Dr. Alisha FennellSenior Director of Medical Operations
Dr. Jessica LipsettVeterinary Education Program Manager

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.

Series C2024Venture2026

Deerfield

White Star Capital

Everyone who backed them

DeerfieldVC firm2rounds

White Star CapitalVC firm2rounds

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Petfolk 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.