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Altos Labs

Altos Labs

Private
Redwood City, CaliforniaHealthcare & Life Scienceshttps://www.altoslabs.com/

Last Round

VC Round

Jan 19, 2022

Est. Valuation

$6.33B

Company Overview

Altos Labs is a biotechnology company focused on cellular rejuvenation programming to develop innovative medical solutions that aim to restore cell health and resilience, allowing clients to reverse disease, injury, and disabilities.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery, Precision Medicine

Business Model

B2B

Customer Profile

Services & Consulting

AI Layer

Foundation

Keywords

cellular rejuvenationlongevity biotechrejuvenation programminganti-aging researchsenolytic therapeuticsbiology foundation modelcomputational biologydrug discoverymultimodal biologyregenerative medicinebiotech R&Dlife extensionage-related diseasetherapeutic developmentAI in biotech

Historical Pricing

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Caplight Momentum Score

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Altos Labs Comparables

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Altos Labs comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
NewLimit
87%
Retro
86%
Life Biosciences
81%

Altos Labs Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
VC RoundJan 19, 2022

Key People

Founding team and executive leadership

Hal Barron

CEO And Founder Board Co-Chair

Founding Team

Altos Labs Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Mar 4, 2026

    Virtual Cell team won the Generalist prize in the ARC Virtual Cell Challenge.

  • Jan 1, 2026

    Ranked for the second consecutive year on the Forbes 2026 list.

Recent news

Latest coverage and updates

  • attends_eventJul 30, 2026

    Altos Labs, Inc. attended event VivaTech 2026 on Jul 30th '26.

Altos Labs Filings

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Altos Labs filings preview — column headings only; records require access
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Appears On

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Frequently Asked Questions

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

Is Altos Labs a public or private company?

Altos Labs is a private company.

What is the current stock price of Altos Labs?

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

How much is Altos Labs worth (valuation)?

Altos Labs's valuation is estimated at $6.3B based on funding round data.

Can I buy Altos Labs stock?

Altos Labs 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 Altos Labs's last funding round?

Altos Labs's most recent funding round was Seed on January 19, 2022.

Who are the main investors in Altos Labs?

Key investors in Altos Labs include Altitude Life Science Ventures, Bezos Expeditions, ARCH Venture Partners, Foresite Capital, Mubadala Capital.

Will Altos Labs IPO soon?

No public IPO plans have been announced for Altos Labs.

How can I track Altos Labs secondary market activity?

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

Firmographic Details

HeadquartersRedwood City, California
Employee Range438
Year Founded2021
Last FundingJan 19, 2022

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