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Circle Pharma

Circle Pharma

Private
South San Francisco, CaliforniaHealthcare & Life Scienceshttps://circlepharma.com/

Last Round

Series E

Sep 16, 2026

Total Funding Raised

$300M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Circle Pharma is a biopharmaceutical company that develops cell-permeable macrocyclic peptide therapeutics for the treatment of cancer and other serious illnesses.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery

Business Model

B2B

Customer Profile

Services & Consulting

AI Layer

Application

Keywords

macrocycle therapeuticsdrug discovery platformoncology therapeuticsprotein-protein interactionscyclin inhibitorsoral macrocyclescomputational drug designbiotech drug discoveryundruggable targetsmedicinal chemistrydrug discovery techbiopharma R&Dsmall molecule alternativesin-silico drug discovery

Historical Pricing

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Caplight Momentum Score

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Circle Pharma Comparables

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

Circle Pharma comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Unnatural Products
84%
Dayra Therapeutics
80%
Parabilis Medicines
80%

Circle Pharma Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series ESep 16, 2026
Series DSep 3, 2024
Series CJun 16, 2021
Series BMar 17, 2020
Series AApr 25, 2017
Seed
Jan 7, 2016

Key People

Founding team and executive leadership

David J. Earp

President and CEO, Board of Directors

Executive Team

Rob Lauzen

Chief Financial Officer

Executive Team

Circle Pharma Investors

Notable investors and investment history

Circle Pharma investors
InvestorRounds
The Column GroupSeries B, Series C, Series E, Series D
RA Capital ManagementSeries E
WI Harper GroupSeries A
Lifeforce CapitalSeries B, Series C, Series A
The Chernin GroupSeries B, Series C
Berkeley Catalyst FundSeries B, Series C
Hartford HospitalSeries C

Market signals

Structured signals derived from secondary market and firmographic data.

  • Sep 16, 2026

    $93M round led by The Column Group

  • Jun 18, 2026

    Monthly visitors increased 46% MoM.

Recent news

Latest coverage and updates

  • promotesSep 28, 2026

    Circle Pharma promoted Marie Evangelista to chief scientific officer on Sep 28th '26.

  • receives_financingSep 15, 2026

    Circle Pharma received financing of $92.5M in Series E on Sep 15th '26.

Circle Pharma Filings

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Circle Pharma filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

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

Is Circle Pharma a public or private company?

Circle Pharma is a private company.

What is the current stock price of Circle Pharma?

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

How much is Circle Pharma worth (valuation)?

Valuation information for Circle Pharma is not publicly available.

Can I buy Circle Pharma stock?

Circle Pharma 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 Circle Pharma's last funding round?

Circle Pharma's most recent funding round was Series D on September 3, 2024.

Who are the main investors in Circle Pharma?

Key investors in Circle Pharma include The Column Group, WI Harper Group, Lifeforce Capital, The Chernin Group, Element Partners.

Will Circle Pharma IPO soon?

No public IPO plans have been announced for Circle Pharma.

How can I track Circle Pharma secondary market activity?

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

Firmographic Details

HeadquartersSouth San Francisco, California
Employee Range55
Year Founded2012
Last FundingSep 16, 2026

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