# PsiThera funding rounds and investors

As of 10 Nov 2026, PsiThera has raised $72.5M across 2 verified rounds on record; latest: $25 million funding round, announced 10 Nov 2026.

A biotechnology company harnessing biologically relevant protein states and physical artificial intelligence to create oral drugs for immune and inflammatory diseases

Website: https://psithera.com  
Headquarters: Watertown, Massachusetts  
Page: https://fireround.dev/companies/psithera

## Verified rounds

| Announced | Round | Amount | Lead investors | Other investors | Sources |
| --- | --- | --- | --- | --- | --- |
| 2026-11-10 | Funding round | $25 million | not stated | AbbVie Ventures, Lightstone Ventures, Lumination Capital, Samsara BioCapital | [globenewswire.com](https://www.globenewswire.com/news-release/2026/11/10/3399296/0/en/psithera-closes-25-million-financing-to-advance-oral-therapeutics-in-immunology.html) |
| 2025-12-10 | Series A | $47.5 million | Lightstone Ventures, Samsara BioCapital | Eurofarma Ventures, Roivant, YK Bioventures | [psithera.com](https://psithera.com/news/press-releases/psithera-unveiled-with-newly-appointed-ceo-and-47-5-million-series-a-to-advance-oral-medicines-for-validated-ii-targets), [globenewswire.com](https://www.globenewswire.com/news-release/2025/12/10/3203043/0/en/psithera-unveiled-with-newly-appointed-ceo-and-47-5-million-series-a-to-advance-oral-medicines-for-validated-i-i-targets.html), [finsmes.com](https://www.finsmes.com/2025/12/psithera-raises-47-5m-in-series-a-funding.html) |

Source: Fireround (https://fireround.dev), an open-source funding feed. Each round is checked against the pages listed with it.