# Achilles Therapeutics funding: rounds and investors > Achilles Therapeutics has raised $143M across 4 rounds since 2016. Investors include RA Capital Management, Perceptive Advisors and Forbion Capital Partners. Source: https://millionrounds.com/company/achilles-therapeutics (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Funded startup](https://millionrounds.com/companies) # Who invested in *Achilles Therapeutics* 4 rounds we have observed, with the 9 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 **$143M** raised across 4 rounds since 2016, from 4 sources **$16M** Round **$121M** Series B **$4.1M** Grant **$1.4M** Round - **Latest round:** Round, $1.4M Feb 2025 - **Biggest round:** $121M Series B · Sept 2019 - **Investors:** 9 (1 led) 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. 2018 2020 2022 2024 **$16M** Round **$121M** Series B **$4.1M** Grant **$1.4M** Round - **First round:** Round, $16M - **Biggest round:** $121M - **Usual gap between rounds:** 2.8 years ## The rounds - **Feb 2025** Round **$1.4M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Jul 2022** Grant **$4.1M** *1 new* *4 returning* [OrbiMed](https://millionrounds.com/fund/orbimed) [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) [Forbion Capital Partners](https://millionrounds.com/fund/forbion-capital-partners) [Redmile Group](https://millionrounds.com/fund/redmile-group) Source recorded - **Sept 2019** Series B **$121M** *5 new* [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Lead [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) [Invus](https://millionrounds.com/fund/invus) [Forbion Capital Partners](https://millionrounds.com/fund/forbion-capital-partners) [Redmile Group](https://millionrounds.com/fund/redmile-group) Reported by FinSMEs - **Nov 2016** Round **$16M** *3 new* [UCL Technology Fund](https://millionrounds.com/fund/ucl-technology-fund) [Syncona](https://millionrounds.com/fund/syncona-limited) CRT Reported by FinSMEs ## Funding filed with regulators Achilles Therapeutics filed 3 raises, $1.4M in all. Filings say how much was sold and to how many investors; they never name the investors. - Mar 2025 **$223K** UK share allotment - Feb 2025 **$257K** UK share allotment - Feb 2025 **$919K** UK share allotment ## 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. **Round** 2016 **Series B** 2019 **Grant** 2022 **Round** 2025 [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) L [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) [Forbion Capital Partners](https://millionrounds.com/fund/forbion-capital-partners) [Redmile Group](https://millionrounds.com/fund/redmile-group) [OrbiMed](https://millionrounds.com/fund/orbimed) [Invus](https://millionrounds.com/fund/invus) [UCL Technology Fund](https://millionrounds.com/fund/ucl-technology-fund) [Syncona](https://millionrounds.com/fund/syncona-limited) CRT ## Everyone who backed them [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Private equity **2** rounds, led 1 [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) Asset manager **2** rounds [Forbion Capital Partners](https://millionrounds.com/fund/forbion-capital-partners) Private equity **2** rounds [Redmile Group](https://millionrounds.com/fund/redmile-group) VC firm **2** rounds [OrbiMed](https://millionrounds.com/fund/orbimed) Private equity **1** round [Invus](https://millionrounds.com/fund/invus) Private equity **1** round [UCL Technology Fund](https://millionrounds.com/fund/ucl-technology-fund) VC firm **1** round [Syncona](https://millionrounds.com/fund/syncona-limited) VC firm **1** round CRT 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=achilles-therapeutics). ## Quick answers about Achilles Therapeutics ### Who invested in Achilles Therapeutics? Achilles Therapeutics's investors include RA Capital Management, Perceptive Advisors, Forbion Capital Partners, Redmile Group and OrbiMed, and 4 more on record. ### How much has Achilles Therapeutics raised? Achilles Therapeutics has raised $143M across 4 rounds since 2016. ### When did Achilles Therapeutics last raise? Achilles Therapeutics's most recent round, $1.4M, was in Feb 2025. ### What was Achilles Therapeutics's biggest round? Achilles Therapeutics's largest round on record is $121M (Series B), in Sept 2019, led by RA Capital Management. ### Who backed Achilles Therapeutics first? Achilles Therapeutics's first round on record, in Nov 2016, was backed by UCL Technology Fund, Syncona and CRT. ### What stage is Achilles Therapeutics at? Achilles Therapeutics's latest named round is a Grant, in Jul 2022. ### Where is Achilles Therapeutics based? Achilles Therapeutics is based in the United Kingdom. ### Who led Achilles Therapeutics's rounds? RA Capital Management led the Series B in 2019. ## Companies like Achilles Therapeutics In the same sector, and raised in the last eighteen months. [**Coherence Neuro** $55M · Oct 2026](https://millionrounds.com/company/coherence-neuro)[**HydRegen** $12M · Oct 2026](https://millionrounds.com/company/hydregen)[**XRlabs** $8.4M · Oct 2026](https://millionrounds.com/company/xrlabs)[**OMass Therapeutics** $442M · Oct 2026](https://millionrounds.com/company/omass-therapeutics)[**CMR Surgical** $1.1B · Oct 2026](https://millionrounds.com/company/cmr-surgical)[**MintNeuro** $26M · Oct 2026](https://millionrounds.com/company/mintneuro) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. 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