Circle Pharma, Inc. logo — A New Paradigm For Macrocycle Drug Development

Circle Pharma, Inc.

A New Paradigm For Macrocycle Drug Development

Founded 2012 United States South San Francisco, United States 66 employees Series D Total: $207.50M Biotechnology, Health Care +1

General Information

Company Name Circle Pharma, Inc.
Founded Year 2012
Location United States South San Francisco, United States
Founders / Decision Makers
Team member
Employees 66
Industries Biotechnology, Health Care, Health and Wellness
Funding Stage Series D
Business Model B2B, Platform, SaaS
Revenue Model Licensing, Project Based, Performance Based
Social

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About Circle Pharma, Inc.

Circle Pharma, Inc., founded in 2012, is positioned at the forefront of biotechnology with its pioneering approach to macrocyclic peptide therapeutics. Based in the United States, the company focuses on using a computational structure-based design approach to develop bioavailable therapeutics targeting critical intracellular protein-protein interactions, particularly in cancer.

Having initiated operations in June 2014 with seed funding from Pfizer, Inc. and Mission Bay Capital, LLP, Circle Pharma has successfully completed multiple funding rounds, most recently securing a $90.00M Series D investment from The Column Group, Euclidean Capital, and Nextech Invest in September 2024.

Circle Pharma's innovative strategy incorporates the use of proprietary algorithms to design virtual libraries of cell-permeable macrocyclic scaffolds, blending natural and synthetic elements to optimize target binding and permeability. This method not only showcases a new paradigm in drug development but also reinforces the company's leading position within the Biotechnology, Health Care, and Health and Wellness sectors.

Taxonomy: Macrocyclic Peptide Therapeutics, Computational Structure-Based Design, Intracellular Protein-Protein Interactions, Bioavailable Drug Development, Cell Permeability, Cancer Targets, Proprietary Algorithms, Virtual Scaffold Libraries, Innovative Chemistry, Conformational Modeling, Rational Design Process, Innovative Molecular Components, Physics Chemistry Biology Integration, Therapeutic Candidate Design, Biotechnology Startup

Services & Products

Drug Discovery and Development
Macrocycle Platform MXMO
Clinical Trials

Target Customers

Cancer Patients Healthcare Providers Pharmaceutical Researchers

Funding Rounds & Investors (7)

View All
Funding Stage Amount Investors Lead Investors Date
Series D $90.00M 3
The Column Group, Euclidean Capital +1
01 Sep 2024
Series C $66.00M 7
The Column Group, Eli Lilly +5
01 Jun 2021
Series B $45.00M 4
The Column Group, LifeForce Capital +2
01 Mar 2020
Series A $2.00M 2
WI Harper Group, Element Partners
01 Apr 2017
Series A $4.50M 3
Mission Bay Capital, ShangPharma +1
01 Dec 2016
Seed Undisclosed 2
Mission Bay Capital, Pfizer
01 Sep 2014
Spinout Undisclosed 1
University of California, San Francisco
01 Jan 2012

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FAQ About Circle Pharma, Inc.

A New Paradigm For Macrocycle Drug Development
Circle Pharma, Inc. was founded in 2012.
Circle Pharma, Inc. is headquartered in South San Francisco, United States.
Circle Pharma, Inc. operates in Biotechnology, Health Care and Health and Wellness. Its work centres on Macrocyclic Peptide Therapeutics, Computational Structure-Based Design, Intracellular Protein-Protein Interactions and Bioavailable Drug Development. Its customers include Cancer Patients, Healthcare Providers and Pharmaceutical Researchers.
Circle Pharma, Inc. has a B2B, Platform and SaaS business model. Its revenue comes from Licensing, Project Based and Performance Based.
Circle Pharma, Inc. has approximately 66 employees.
Circle Pharma, Inc. has completed 7 funding rounds, raising a total of $207.50M. The latest funding stage is Series D.
Circle Pharma, Inc. offers: Drug Discovery and Development, Macrocycle Platform MXMO, Clinical Trials.
Top alternatives and competitors to Circle Pharma, Inc. include CrystalsFirst, Deep Apple Therapeutics, A2A Pharmaceuticals. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Circle Pharma, Inc. and CrystalsFirst are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for Circle Pharma, Inc., https://bouncewatch.com/company/circle-pharma-inc, updated 4 July 2026. When citing, please name BounceWatch and link this page.

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