# Aspen Neuroscience funding: rounds and investors > Aspen Neuroscience has raised $122M across 2 rounds since 2019. Investors include OrbiMed, ARCH Venture Partners and Domain Associates. Source: https://millionrounds.com/company/aspen-neuroscience (Millionrounds; every figure on the page links to its filing or article) United States · [Series C startup](https://millionrounds.com/companies) # Who invested in *Aspen Neuroscience* 2 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 Raised 11 months ago Follow Aspen Neuroscience and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Faspen-neuroscience) Funding summary Updated 5 Nov 2026 **$122M** raised across 2 rounds since 2019, from 2 sources **$6.5M** Seed **$115M** Series C - **Latest round:** Series C, $115M Nov 2025 - **Led by:** OrbiMed and ARCH Venture Partners and 2 more - **Step-up i:** 17.7× - **Investors:** 14 (6 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. 2020 2021 2022 2023 2024 2025 **$6.5M** Seed **$115M** Series C - **First round:** Seed, $6.5M - **Biggest round:** $115M - **Between rounds:** 6 years ## The rounds - **Nov 2025** Series C **$115M** *8 new* *2 returning* [OrbiMed](https://millionrounds.com/fund/orbimed) Lead [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) Lead [Frazier Life Sciences](https://millionrounds.com/fund/frazier-life-sciences) Lead [Revelation Partners](https://millionrounds.com/fund/revelation-partners) Lead [Gaingels](https://millionrounds.com/fund/gaingels) [Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management) [S32](https://millionrounds.com/fund/s32) [Balyasny Asset Management L.p.](https://millionrounds.com/fund/balyasny-asset-management-2) [Kite](https://millionrounds.com/fund/kite-a-gilead-company) [Prebys Ventures](https://millionrounds.com/fund/prebys-ventures) Reported by Ventureburn - **Dec 2019** Seed **$6.5M** *6 new* [Domain Associates](https://millionrounds.com/fund/domain-associates) Lead [Axon Ventures](https://millionrounds.com/fund/axon-ventures) Lead [OrbiMed](https://millionrounds.com/fund/orbimed) [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) [Section 32](https://millionrounds.com/fund/section-32) Reported by FinSMEs ## 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** 2019 **Series C** 2025 [OrbiMed](https://millionrounds.com/fund/orbimed) L [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) L [Domain Associates](https://millionrounds.com/fund/domain-associates) L [Frazier Life Sciences](https://millionrounds.com/fund/frazier-life-sciences) L [Revelation Partners](https://millionrounds.com/fund/revelation-partners) L [Axon Ventures](https://millionrounds.com/fund/axon-ventures) L [Gaingels](https://millionrounds.com/fund/gaingels) [Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management) [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) [S32](https://millionrounds.com/fund/s32) ## Everyone who backed them [OrbiMed](https://millionrounds.com/fund/orbimed) Private equity **2** rounds, led 1 [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) VC firm **2** rounds, led 1 [Domain Associates](https://millionrounds.com/fund/domain-associates) VC firm **1** round, led 1 [Frazier Life Sciences](https://millionrounds.com/fund/frazier-life-sciences) VC firm **1** round, led 1 [Revelation Partners](https://millionrounds.com/fund/revelation-partners) Growth equity **1** round, led 1 [Axon Ventures](https://millionrounds.com/fund/axon-ventures) VC firm **1** round, led 1 [Gaingels](https://millionrounds.com/fund/gaingels) Private equity **1** round [Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management) Private equity **1** round [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) VC firm **1** round [S32](https://millionrounds.com/fund/s32) VC firm **1** round [Section 32](https://millionrounds.com/fund/section-32) VC firm **1** round [Balyasny Asset Management L.p.](https://millionrounds.com/fund/balyasny-asset-management-2) Private equity **1** round [Kite](https://millionrounds.com/fund/kite-a-gilead-company) Venture studio **1** round [Prebys Ventures](https://millionrounds.com/fund/prebys-ventures) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=aspen-neuroscience). ## Also claim to have backed them These 3 firms list Aspen Neuroscience 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. [Lifeforce Capital](https://millionrounds.com/fund/lifeforce-capital) VC firm Per its own site [Medical Excellence Capital, LLC](https://millionrounds.com/fund/medical-excellence-capital-llc) VC firm Per its own site [Paratus Investment](https://millionrounds.com/fund/paratus-investment-inc) Private equity 2022, per its site ## Quick answers about Aspen Neuroscience ### Who invested in Aspen Neuroscience? Aspen Neuroscience's investors include OrbiMed, ARCH Venture Partners, Domain Associates, Frazier Life Sciences and Revelation Partners, and 9 more on record. OrbiMed led its latest round. ### How much has Aspen Neuroscience raised? Aspen Neuroscience has raised $122M across 2 rounds since 2019. ### When did Aspen Neuroscience last raise? Aspen Neuroscience's most recent round was a Series C of $115M in Nov 2025, led by OrbiMed. ### What was Aspen Neuroscience's biggest round? Its most recent round, $115M in Nov 2025, is also its largest on record. ### Who backed Aspen Neuroscience first? Aspen Neuroscience's first round on record, in Dec 2019, was backed by Domain Associates, Axon Ventures and OrbiMed and 3 others. ### What stage is Aspen Neuroscience at? Aspen Neuroscience's latest named round is a Series C, in Nov 2025. ### Where is Aspen Neuroscience based? Aspen Neuroscience is based in the United States. ### Who led Aspen Neuroscience's rounds? Domain Associates led the Seed in 2019; OrbiMed led the Series C in 2025. ## Companies like Aspen Neuroscience In the same sector, and raised in the last eighteen months. 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