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Persephone Biosciences

Persephone Biosciences

Private
San Diego, CaliforniaHealthcare & Life Scienceshttps://persephone.bio/

Last Round

Seed

Apr 18, 2025

Est. Valuation

$2.14M

Total Funding Raised

$21.77M

Company Overview

Persephone Biosciences is a biotechnology company that develops microbiome-based medicines and consumer health products using synthetic biology and artificial intelligence.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery, Precision Medicine, Clinical Trials

Business Model

B2B

Customer Profile

Services & Consulting, Subscription SaaS, Data as a Service

AI Layer

Application

Keywords

microbiome therapeuticscompanion diagnosticsprecision medicinegut microbiomebiomarker discoveryclinical trial platformdrug developmentsynbioticscomputational biologymulti-omicsmicrobiome healthgut healthbiotech startupdirect to consumerDTC

Historical Pricing

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Caplight Momentum Score

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Persephone Biosciences Comparables

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Persephone Biosciences comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Kanvas Biosciences
79%
BiomeSense
77%
Microbiotica
76%

Persephone Biosciences Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedApr 18, 2025
SeedJul 19, 2022
SeedFeb 19, 2021
AcceleratorJan 1, 2018

Key People

Founding team and executive leadership

Stephanie Culler

Co-Founder And CEO

Founding Team

Persephone Biosciences Investors

Notable investors and investment history

Persephone Biosciences investors
InvestorRounds
Pioneer FundSeed
ZhenFundSeed
Propel Bio PartnersSeed
BrightEdgeSeed
Y CombinatorAccelerator, Seed
Fifty YearsSeed
Susa VenturesSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 19, 2022

    $15M round led by First Bight Ventures and Propel Bio Partners.

  • Jan 1, 2018

    $150K round led by Y Combinator

Persephone Biosciences Filings

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Persephone Biosciences filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Persephone Biosciences's valuation, stock price, and market status.

Is Persephone Biosciences a public or private company?

Persephone Biosciences is a private company.

What is the current stock price of Persephone Biosciences?

Persephone Biosciences is a private company with no public stock price. No recent secondary market data is available.

How much is Persephone Biosciences worth (valuation)?

Valuation information for Persephone Biosciences is not publicly available.

Can I buy Persephone Biosciences stock?

Persephone Biosciences shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Persephone Biosciences's last funding round?

Persephone Biosciences's most recent funding round was Seed on July 19, 2022.

Who are the main investors in Persephone Biosciences?

Key investors in Persephone Biosciences include Propel Bio Partners, First Bight Ventures.

Will Persephone Biosciences IPO soon?

No public IPO plans have been announced for Persephone Biosciences.

How can I track Persephone Biosciences secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Persephone Biosciences's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSan Diego, California
Employee Range17
Year Founded2017
Last FundingApr 18, 2025

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