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Topos Bio

Topos Bio

Private
San Francisco, CaliforniaHealthcare & Life Scienceshttps://www.toposbio.ai/

Last Round

Seed

Jan 8, 2026

Total Funding Raised

$10.5M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Topos Bio is a biotechnology company that develops an AI-powered drug discovery platform for targeting intrinsically disordered proteins involved in diseases such as neurodegeneration and oncology.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery, Medical AI

Business Model

B2B

Customer Profile

Services & Consulting, Revenue Share

AI Layer

Foundation

Keywords

drug discoveryintrinsically disordered proteinsIDPAI drug discoveryprotein ensemble modelinggenerative AIfoundation modelundruggable targetsphysics-based modelingbiotechin silico drug designcomputational biologysmall molecule designAI-native biotechdrug discovery platform

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Topos Bio Comparables

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

Topos Bio comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Peptone
83%
Fathom Therapeutics
82%
Boltz
82%

Topos Bio Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedJan 8, 2026

Key People

Founding team and executive leadership

Amir Khosrowshahi

Co-Founder and CTO

Founding Team

Ryan Zarcone

Co-Founder and CEO

Founding Team

Topos Bio Investors

Notable investors and investment history

Topos Bio investors
InvestorRounds
KF VenturesSeed
Boldstart VenturesSeed
NeoSeed
Threshold VenturesSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 26, 2026

    Monthly visitors grew 186% MoM, reaching 3.3K.

  • Jun 24, 2026

    Grew 19% QoQ, from 16 to 19 employees.

Topos Bio Filings

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Topos Bio filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

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

Is Topos Bio a public or private company?

Topos Bio is a private company.

What is the current stock price of Topos Bio?

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

How much is Topos Bio worth (valuation)?

Valuation information for Topos Bio is not publicly available.

Can I buy Topos Bio stock?

Topos Bio 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 Topos Bio's last funding round?

Topos Bio's most recent funding round was Seed on January 8, 2026.

Who are the main investors in Topos Bio?

Key investors in Topos Bio include Boldstart Ventures, Neo, Threshold Ventures.

Will Topos Bio IPO soon?

No public IPO plans have been announced for Topos Bio.

How can I track Topos Bio secondary market activity?

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

Firmographic Details

HeadquartersSan Francisco, California
Employee Range17
Year Founded2024
Last FundingJan 8, 2026

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