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Altos Labs

Altos Labs

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

Last Round

VC Round

Jan 19, 2022

Est. Valuation

$6.33B

Company Overview

Altos Labs operates in Healthcare & Life Sciences and is based in Redwood City, California. Its latest recorded funding round was a VC Round in January 2022.

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

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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Altos Labs Comparables

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

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

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
VC RoundJan 19, 2022
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Key People

Founding team and executive leadership

Hal Barron

CEO And Founder Board Co-Chair

Founding Team

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Altos Labs Investors

Notable investors and investment history

Altos Labs investors
InvestorRounds
Altitude Life Science VenturesVC Round
Bezos ExpeditionsVC Round
ARCH Venture PartnersVC Round
General CatalystVC Round
Foresite CapitalVC Round
Mubadala CapitalVC Round
Kleiner PerkinsVC Round

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.

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Altos Labs Filings

Explore SEC and related filing metadata, where available.

Altos Labs filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Appears On

Curated lists and screens where this company is featured.

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, so its shares have no public market price. Caplight tracks Altos Labs's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

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.

When was Altos Labs's last funding round?

Altos Labs's most recent funding round was VC Round 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, General Catalyst, Foresite 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 in Altos Labs's shares on secondary markets.

Firmographic Details

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

Institutional Data Access

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