# Compass Therapeutics funding: rounds and investors > Compass Therapeutics has raised $257M across 4 rounds since 2015. Investors include Alumni Ventures, Founders Fund and Polaris Partners. Source: https://millionrounds.com/company/compass-therapeutics (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Compass Therapeutics* 4 rounds we have observed, with the 14 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 Pharma Funding summary Updated 26 Oct 2026 **$257M** raised across 4 rounds since 2015, from 4 sources **$575K** Debt **$4.5M** Series A **$132M** Series A **$120M** Round - **Latest round:** Round, $120M Aug 2025 - **Biggest round:** $132M Series A · Jul 2018 - **Investors:** 14 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. 2015 2017 2019 2021 2023 2025 **$575K** Debt **$4.5M** Series A **$132M** Series A **$120M** Round - **First round:** Debt, $575K - **Biggest round:** $132M - **Usual gap between rounds:** 7.1 years ## The rounds - **Aug 2025** Round **$120M** *5 new* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Founders Fund](https://millionrounds.com/fund/founders-fund) [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) [Vivo Capital](https://millionrounds.com/fund/vivo-capital) Source recorded - **Jul 2018** Series A **$132M** *8 new* [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) [Biomatics Capital](https://millionrounds.com/fund/biomatics-capital) [Cowen Group](https://millionrounds.com/fund/cowen-healthcare-investments) [Thiel Capital](https://millionrounds.com/fund/thiel-capital) Biomed Realty Borealis OrbiMed Advisors/ F-Prime Ulysses Reported by FinSMEs SEC filing: $110M sold, first sale Jun 2015 - **Jun 2015** Series A **$4.5M** *1 new* [Launch Angels](https://millionrounds.com/fund/launch-angels) From a historical funding record SEC filing: $16M sold, first sale Jun 2015 - **May 2015** Debt **$575K** No investor was named in the report. From a historical funding record SEC filing: $575K sold, first sale May 2014 ## Founders and team From Compass Therapeutics's own website and the SEC filings it signed: 3 on the team. - **Arjun Prasad** Chief Commercial Officer - **Thomas J. Schuetz** Executive Officer, Director i - **Vered P. Bisker-Leib** Executive Officer i On the board, as filed i *Carl L. Gordon* *Julie Sunderland* *Philip J. Ferneau* *Stephen P. Squinto* ## 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. **Debt** 2015 **Series A** 2015 **Series A** 2018 **Round** 2025 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Founders Fund](https://millionrounds.com/fund/founders-fund) [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) [Vivo Capital](https://millionrounds.com/fund/vivo-capital) [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) [Biomatics Capital](https://millionrounds.com/fund/biomatics-capital) [Cowen Group](https://millionrounds.com/fund/cowen-healthcare-investments) [Launch Angels](https://millionrounds.com/fund/launch-angels) [Thiel Capital](https://millionrounds.com/fund/thiel-capital) ## Everyone who backed them [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round [Founders Fund](https://millionrounds.com/fund/founders-fund) VC firm **1** round [Polaris Partners](https://millionrounds.com/fund/polaris-partners) VC firm **1** round [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) Private equity **1** round [Vivo Capital](https://millionrounds.com/fund/vivo-capital) Private equity **1** round [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) VC firm **1** round [Biomatics Capital](https://millionrounds.com/fund/biomatics-capital) VC firm **1** round [Cowen Group](https://millionrounds.com/fund/cowen-healthcare-investments) Growth equity **1** round [Launch Angels](https://millionrounds.com/fund/launch-angels) VC firm **1** round [Thiel Capital](https://millionrounds.com/fund/thiel-capital) VC firm **1** round Biomed Realty no record of our own yet **1** round Borealis no record of our own yet **1** round OrbiMed Advisors/ F-Prime no record of our own yet **1** round Ulysses no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=compass-therapeutics). ## Also claim to have backed them These 2 firms list Compass Therapeutics 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. [OrbiMed](https://millionrounds.com/fund/orbimed) Private equity Per its own site [Rank Ventures](https://millionrounds.com/fund/rank-ventures) VC firm Per its own site ## Quick answers about Compass Therapeutics ### Who invested in Compass Therapeutics? Compass Therapeutics's investors include Alumni Ventures, Founders Fund, Polaris Partners, Janus Henderson Investors and Vivo Capital, and 9 more on record. ### How much has Compass Therapeutics raised? Compass Therapeutics has raised $257M across 4 rounds since 2015. ### When did Compass Therapeutics last raise? Compass Therapeutics's most recent round was an Undisclosed round of $120M in Aug 2025. ### What was Compass Therapeutics's biggest round? Compass Therapeutics's largest round on record is $132M (Series A), in Jul 2018. ### Who backed Compass Therapeutics first? Compass Therapeutics's first round on record, in Jun 2015, was backed by Launch Angels. ### What stage is Compass Therapeutics at? Compass Therapeutics's latest named round is an Undisclosed round, in Aug 2025. ### Where is Compass Therapeutics based? Compass Therapeutics is based in the United States. ## Companies like Compass Therapeutics 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