Seaport Therapeutics
Boston, United States · Founded 2024 · $340.0M raised
- Headquarters
- Boston, Massachusetts
- Employees
- 11–50
- Founded
- 2024
- Website
- seaporttx.com
- Total Funding
- $340.0M
- Last Round
- $15.0M GrantMar 2026
- Rounds
- 3
About
Seaport Therapeutics is a clinical-stage biopharmaceutical company advancing novel neuropsychiatric medicines in areas of high unmet patient need, including depression, anxiety, and other CNS disorders. Founded in Boston in 2024 by Daphne Zohar (Founder & CEO) and Steven M. Paul, M.D. (Founder & Board Chair) - the team behind Karuna Therapeutics' KarXT - the company pairs clinically validated mechanisms with its proprietary Glyph technology platform, which uses the lymphatic system to enable oral bioavailability and reduce side effects like hepatotoxicity. Backed by ARCH Venture Partners, Sofinnova Investments, Third Rock Ventures, and PureTech Health, Seaport completed its Nasdaq IPO (SPTX) in April 2026.
Summary
Seaport Therapeutics is a Life Sciences company based in Boston, United States, founded in 2024. It has raised $340.0M in total across 3 rounds, most recently a $15.0M Grant round in Mar 2026. Investors include General Atlantic, ARCH Venture Partners and Sofinnova Investments.
Tech & App Stack
3 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
Sign up to view the funding chart
Create a free account with 25 free credits every month, no card needed, to unlock funding history, valuations, and tech stacks.
Mar 2026
Sign up to see all 3 rounds
Series A through Grant — per-round amounts, valuations, and who invested in each round.
Investors
Similar Companies
Biotech advancing cellular rejuvenation programming to restore cell health and reverse disease.
AI-first drug discovery company using AlphaFold-derived models to design therapeutics and acceler...
Asymchem provides R&D and one-stop production services to the world's top pharmaceutical companies.
Alphabet-backed biotechnology company researching biology of aging and developing interventions t...
PHC is a leading provider of diabetes monitoring systems, specialized laboratory equipment, and c...
Health insurance company using technology to make health care simple, affordable, and accessible.
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/seaport-therapeutics"><img src="https://indexed.vc/api/badge/company/seaport-therapeutics" alt="Seaport Therapeutics on Indexed.vc" width="260" height="76" /></a>