# Axial Biotherapeutics funding: rounds and investors > Axial Biotherapeutics has raised $54M across 3 rounds since 2016. Investors include Domain Associates, Longwood Fund and Heritage Medical Systems. Source: https://millionrounds.com/company/axial-biotherapeutics (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *Axial Biotherapeutics* 3 rounds we have observed, with the 4 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 Funding summary Updated 26 Oct 2026 **$54M** raised across 3 rounds since 2016, from 3 sources **$19M** Series A **$25M** Series B **$10M** Series B - **Latest round:** Series B, $10M Jun 2019 - **Biggest round:** $25M Series B · Feb 2019 - **Investors:** 4 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. 2017 2018 2019 **$19M** Series A **$25M** Series B **$10M** Series B - **First round:** Series A, $19M - **Biggest round:** $25M - **Usual gap between rounds:** 2.3 years ## The rounds - **Jun 2019** Series B **$10M** No investor was named in the report. Reported by FinSMEs SEC filing: $5.0M sold, first sale Jun 2019 - **Feb 2019** Series B **$25M** *2 new* *1 returning* [Domain Associates](https://millionrounds.com/fund/domain-associates) Heritage Medical Systems Seventure Partners/ Longwood Fund Reported by FinSMEs SEC filing: $20M sold, first sale Nov 2018 - **Dec 2016** Series A **$19M** *2 new* [Domain Associates](https://millionrounds.com/fund/domain-associates) [Longwood Fund](https://millionrounds.com/fund/longwood-fund) Reported by FinSMEs SEC filing: $9.6M sold, first sale Nov 2016 ## Founders and team From the SEC filings it signed: 2 on the team. - **David H. Donabedian** Executive Officer, Director i - **Jeffrey C. Young** Executive Officer i On the board, as filed i *Eric C. De La Fortelle* *Henry C. Wolf* *James C. Blair* *Richard P. Aldrich* *Ronald C. Renaud* *Sakae C. Asanuma* *Sarkis K. Mazmanian* *Scott C. Brun* ## 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** 2016 **Series B** 2019 **Series B** 2019 [Domain Associates](https://millionrounds.com/fund/domain-associates) [Longwood Fund](https://millionrounds.com/fund/longwood-fund) Heritage Medical Systems Seventure Partners/ Longwood Fund ## Everyone who backed them [Domain Associates](https://millionrounds.com/fund/domain-associates) VC firm **2** rounds [Longwood Fund](https://millionrounds.com/fund/longwood-fund) VC firm **1** round Heritage Medical Systems no record of our own yet **1** round Seventure Partners/ Longwood Fund 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=axial-biotherapeutics). ## Quick answers about Axial Biotherapeutics ### Who invested in Axial Biotherapeutics? Axial Biotherapeutics's investors include Domain Associates, Longwood Fund, Heritage Medical Systems and Seventure Partners/ Longwood Fund. ### How much has Axial Biotherapeutics raised? Axial Biotherapeutics has raised $54M across 3 rounds since 2016. ### When did Axial Biotherapeutics last raise? Axial Biotherapeutics's most recent round was a Series B of $10M in Jun 2019. ### What was Axial Biotherapeutics's biggest round? Axial Biotherapeutics's largest round on record is $25M (Series B), in Feb 2019. ### Who backed Axial Biotherapeutics first? Axial Biotherapeutics's first round on record, in Dec 2016, was backed by Domain Associates and Longwood Fund. ### What stage is Axial Biotherapeutics at? Axial Biotherapeutics's latest named round is a Series B, in Jun 2019. ### Where is Axial Biotherapeutics based? Axial Biotherapeutics is based in the United States. ## Companies like Axial Biotherapeutics 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