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Infinimmune

Infinimmune

Private
Alameda, CaliforniaHealthcare & Life Scienceshttps://www.infinimmune.com/

Last Round

Series A

Aug 11, 2026

Total Funding Raised

$87M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Infinimmune is a biotechnology company that develops human-derived antibody medicines by discovering antigen-specific antibodies from human B cells via proprietary sequencing and AI-guided engineering platforms.

Sector

Healthcare & Life Sciences

Verticals

Drug Discovery, Biotechnology

Business Model

B2B

Customer Profile

Services & Consulting, Revenue Share

AI Layer

Infrastructure

Keywords

antibody discoverydrug discoverybiotech platformAI drug discoveryantibody engineeringtherapeutic antibodiesin silico drug designGLIMPSEantibody language modelbiopharma R&Dprotein engineeringbiotechAI biocomputational biologypharma partnership

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Infinimmune Comparables

Compare Infinimmune with similar companies based on industry and business-model similarity.

Infinimmune comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Aureka Biotechnologies
84%
BigHat Biosciences
83%
Antiverse
82%

Infinimmune Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AAug 11, 2026
SeedDec 6, 2022

Key People

Founding team and executive leadership

Maria Grunwald

Advisor to Chief Executive Officer

Executive Team

Wyatt McDonnell

Co-Founder and CEO

Founding Team

Infinimmune Investors

Notable investors and investment history

Infinimmune investors
InvestorRounds
RA Capital ManagementSeries A
Playground GlobalSeed
Wild Tree VenturesSeries A
Pear VCSeed, Series A
Forge Life Science PartnersSeries A
Everbright BiofundSeries A
Goldcrest CapitalSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 24, 2026

    Grew 38% QoQ, from 16 to 22 employees.

  • Aug 11, 2026

    $75M round led by Playground Global and Regeneron Ventures.

Recent news

Latest coverage and updates

  • is_developingAug 16, 2026

    Infinimmune is developing human-derived antibody medicines.

  • receives_financingAug 11, 2026

    Infinimmune received financing of $75M in Series A on Aug 11th '26.

Infinimmune Filings

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

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

Is Infinimmune a public or private company?

Infinimmune is a private company.

What is the current stock price of Infinimmune?

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

How much is Infinimmune worth (valuation)?

Valuation information for Infinimmune is not publicly available.

Can I buy Infinimmune stock?

Infinimmune 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 Infinimmune's last funding round?

Infinimmune's most recent funding round was Seed on December 6, 2022.

Who are the main investors in Infinimmune?

Key investors in Infinimmune include Playground Global.

Will Infinimmune IPO soon?

No public IPO plans have been announced for Infinimmune.

How can I track Infinimmune secondary market activity?

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

Firmographic Details

HeadquartersAlameda, California
Employee Range21
Year Founded2022
Last FundingAug 11, 2026

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