# Petfolk funding: rounds and investors

> Petfolk has raised $76M across 2 rounds since 2024. Investors include Deerfield and White Star Capital. Every round with its source.

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

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

# 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 summary Updated 26 Oct 2026

**$76M** raised across 2 rounds since 2024, from 2 sources

**$36M** Series C **$40M** Venture

- **Latest round:** Venture, $40M Aug 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.

2025 2026

**$36M** Series C

**$40M** Venture

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

## The rounds

- **Aug 2026** Venture **$40M** *2 returning* [Deerfield](https://millionrounds.com/fund/deerfield) [White Star Capital](https://millionrounds.com/fund/white-star-capital) Source recorded SEC filing: $40M sold
- **Oct 2024** Series C **$36M** *2 new* [Deerfield](https://millionrounds.com/fund/deerfield) [White Star Capital](https://millionrounds.com/fund/white-star-capital) Source recorded SEC filing: $36M sold, first sale Oct 2024

## Founders and team

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

**Dr. Audrey Wystrach** Co-Founder, Co-CEO & DVM

- **Dr. Jessica Taylor** Chief Medical Officer
- **Dr. Antoinette Martin** VP, Medical Strategy and Development
- **Dr. Alisha Fennell** Senior Director of Medical Operations
- **Dr. Jessica Lipsett** Veterinary 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 C** 2024 **Venture** 2026 [Deerfield](https://millionrounds.com/fund/deerfield) [White Star Capital](https://millionrounds.com/fund/white-star-capital)

## Everyone who backed them

[Deerfield](https://millionrounds.com/fund/deerfield) VC firm **2** rounds

[White Star Capital](https://millionrounds.com/fund/white-star-capital) VC firm **2** rounds

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

## 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.

[Soaring Startup Circle](https://millionrounds.com/fund/ssc-venture-partners) Accelerator Per its own site

## Quick answers about Petfolk

### Who invested in Petfolk?

Petfolk's investors include Deerfield and White Star Capital.

### How much has Petfolk raised?

Petfolk has raised $76M across 2 rounds since 2024.

### When did Petfolk last raise?

Petfolk's most recent round was a Venture of $40M in Aug 2026.

### What was Petfolk's biggest round?

Its most recent round, $40M in Aug 2026, is also its largest on record.

### Who backed Petfolk first?

Petfolk's first round on record, in Oct 2024, was backed by Deerfield and White Star Capital.

### What stage is Petfolk at?

Petfolk's latest named round is a Venture, in Aug 2026.

### Where is Petfolk based?

Petfolk is based in the United States.

## Companies like Petfolk

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)

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