# Circle Pharma funding: rounds and investors > Circle Pharma has raised $187M across 4 rounds since 2014. Investors include Eli Lilly, Mission Bay Capital and RA Capital Management. Source: https://millionrounds.com/company/circle-pharma (Millionrounds; every figure on the page links to its filing or article) United States · [Series E startup](https://millionrounds.com/companies) # Who invested in *Circle Pharma* 4 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Biotech Healthcare Raised 2 months ago Funding summary Updated 26 Oct 2026 **$187M** raised across 4 rounds since 2014, from 4 sources **$4.5M** Series A **$90M** Series D **$93M** Series E - **Latest round:** Series E, $93M Sept 2026 - **Investors:** 5 See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2014 2016 2018 2020 2022 2024 2026 **?** Seed **$4.5M** Series A **$90M** Series D **$93M** Series E - **First round:** Seed - **Biggest round:** $93M - **Usual gap between rounds:** 2.3 years ## The rounds - **Sept 2026** Series E **$93M** *1 new* *1 returning* [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Eli Lilly](https://millionrounds.com/fund/eli-lilly) Source recorded - **Sept 2024** Series D **$90M** *2 new* [Eli Lilly](https://millionrounds.com/fund/eli-lilly) [Mission BioCapital](https://millionrounds.com/fund/mission-biocapital) Source recorded SEC filing: $63M sold, first sale Jun 2024 - **Dec 2016** Series A **$4.5M** *1 returning* [Mission Bay Capital](https://millionrounds.com/fund/mission-bay-capital) Reported by FinSMEs SEC filing: $3.8M sold, first sale Sept 2016 - **Sept 2014** Seed **Amount undisclosed** *2 new* [Pfizer](https://millionrounds.com/fund/pfizer) [Mission Bay Capital](https://millionrounds.com/fund/mission-bay-capital) From a historical funding record ## Founders and team From Circle Pharma's own website: 9 on the team. - **Bryan M. Lent** Chief Financial Officer - **Rob Lauzen** Chief Financial Officer - **Carlos Chavez** Executive Director, Head of Facilities and Research Operations - **David Diaz** Executive Director, Head of DMPK/ Clinical Pharmacology/Toxicology - **Denise Posada** Executive Director, Head of Data Management - **Carolina Ryklansky** Director, Clinical Scientist - **Jinshu Fang** Associate Director, DMPK/Clinical Pharmacology/Toxicology - **Luis Hernandez** Associate Director, Research Operations - **Stacey Mendoza** Manager, HR Operations ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Seed** 2014 **Series A** 2016 **Series D** 2024 **Series E** 2026 [Eli Lilly](https://millionrounds.com/fund/eli-lilly) [Mission Bay Capital](https://millionrounds.com/fund/mission-bay-capital) [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Pfizer](https://millionrounds.com/fund/pfizer) [Mission BioCapital](https://millionrounds.com/fund/mission-biocapital) ## Everyone who backed them [Eli Lilly](https://millionrounds.com/fund/eli-lilly) Corporate VC **2** rounds [Mission Bay Capital](https://millionrounds.com/fund/mission-bay-capital) VC firm **2** rounds [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Private equity **1** round [Pfizer](https://millionrounds.com/fund/pfizer) Corporate VC **1** round [Mission BioCapital](https://millionrounds.com/fund/mission-biocapital) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=circle-pharma). ## Also claim to have backed them These 4 firms list Circle Pharma as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [The Column Group](https://millionrounds.com/fund/the-column-group) VC firm Per its own site [Nextech Invest](https://millionrounds.com/fund/nextech-invest) Private equity Per its own site [Lifeforce Capital](https://millionrounds.com/fund/lifeforce-capital) VC firm Per its own site [Berkeley Catalyst Fund](https://millionrounds.com/fund/berkeley-catalyst-fund) VC firm Per its own site ## Quick answers about Circle Pharma ### Who invested in Circle Pharma? Circle Pharma's investors include Eli Lilly, Mission Bay Capital, RA Capital Management, Pfizer and Mission BioCapital. ### How much has Circle Pharma raised? Circle Pharma has raised $187M across 4 rounds since 2014. One round did not disclose an amount, so the total is a floor. ### When did Circle Pharma last raise? Circle Pharma's most recent round was a Series E of $93M in Sept 2026. ### What was Circle Pharma's biggest round? Its most recent round, $93M in Sept 2026, is also its largest on record. ### Who backed Circle Pharma first? Circle Pharma's first round on record, in Sept 2014, was backed by Pfizer and Mission Bay Capital. ### What stage is Circle Pharma at? Circle Pharma's latest named round is a Series E, in Sept 2026. ### Where is Circle Pharma based? Circle Pharma is based in the United States. ## Companies like Circle Pharma In the same sector, and raised in the last eighteen months. [**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app