# Antios Therapeutics funding: rounds and investors > Antios Therapeutics has raised $100M across 2 rounds since 2018. Investors include RA Capital Management, Adage Capital Management and Fonds de solidarite Ftq. Source: https://millionrounds.com/company/antios-therapeutics (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *Antios Therapeutics* 2 rounds we have observed, with the 8 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 **$100M** raised across 2 rounds since 2018, from 2 sources **$25M** Series A **$75M** Series B - **Latest round:** Series B, $75M Nov 2021 - **Step-up i:** 3× - **Investors:** 8 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. 2019 2020 2021 **$25M** Series A **$75M** Series B - **First round:** Series A, $25M - **Biggest round:** $75M - **Between rounds:** 2.9 years ## The rounds - **Nov 2021** Series B **$75M** *2 new* [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) Source recorded SEC filing: $75M sold, first sale Nov 2021 - **Nov 2018** Series A **$25M** *6 new* [Fonds de solidarite Ftq](https://millionrounds.com/fund/fonds-de-solidarite-ftq) [Lumira Ventures](https://millionrounds.com/fund/lumira-ventures) [Delos](https://millionrounds.com/fund/delos) Domain Associates/ CAM Georgia Research Alliance Quantum Vista Reported by FinSMEs SEC filing: $15M sold, first sale Nov 2018 ## Founders and team From the SEC filings it signed: 3 on the team. - **Douglas Mayers** Executive Officer i - **Gregory Mayes** Executive Officer, Director i - **Tamra Adams** Executive Officer i On the board, as filed i *Abel De La Rosa* *Benjamin Rovinski* *Craig Gordon* *Iyona Rajkomar* *Patrick Higgins* *Scott Morenstein* ## 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. **Series A** 2018 **Series B** 2021 [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) [Fonds de solidarite Ftq](https://millionrounds.com/fund/fonds-de-solidarite-ftq) [Lumira Ventures](https://millionrounds.com/fund/lumira-ventures) [Delos](https://millionrounds.com/fund/delos) Domain Associates/ CAM Georgia Research Alliance Quantum Vista ## Everyone who backed them [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Private equity **1** round [Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) Asset manager **1** round [Fonds de solidarite Ftq](https://millionrounds.com/fund/fonds-de-solidarite-ftq) VC firm **1** round [Lumira Ventures](https://millionrounds.com/fund/lumira-ventures) VC firm **1** round [Delos](https://millionrounds.com/fund/delos) VC firm **1** round Domain Associates/ CAM no record of our own yet **1** round Georgia Research Alliance no record of our own yet **1** round Quantum Vista 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=antios-therapeutics). ## Also claim to have backed them These 2 firms list Antios 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. [Aisling Capital](https://millionrounds.com/fund/aisling-capital) Private equity Per its own site [Altium Capital](https://millionrounds.com/fund/altium-capital) VC firm Per its own site ## Quick answers about Antios Therapeutics ### Who invested in Antios Therapeutics? Antios Therapeutics's investors include RA Capital Management, Adage Capital Management, Fonds de solidarite Ftq, Lumira Ventures and Delos, and 3 more on record. ### How much has Antios Therapeutics raised? Antios Therapeutics has raised $100M across 2 rounds since 2018. ### When did Antios Therapeutics last raise? Antios Therapeutics's most recent round was a Series B of $75M in Nov 2021. ### What was Antios Therapeutics's biggest round? Its most recent round, $75M in Nov 2021, is also its largest on record. ### Who backed Antios Therapeutics first? Antios Therapeutics's first round on record, in Nov 2018, was backed by Fonds de solidarite Ftq, Lumira Ventures and Delos and 3 others. ### What stage is Antios Therapeutics at? Antios Therapeutics's latest named round is a Series B, in Nov 2021. ### Where is Antios Therapeutics based? Antios Therapeutics is based in the United States. ## Companies like Antios 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