Seaport Therapeutics announced that it has raised $100 million in the round of funding co-led by new investors, Arch Venture Partners, L.P. and Sofinnova Investment, Inc. on April 9, 2024. The transaction included participation from new investors, Third Rock Ventures, LLC and PureTech Health plc. Daphne Zohar, Eric Elenko, and Bharatt Chowrira from PureTech Health plc, Robert Nelsen from Arch Venture Partners, L.P. and James Healy from Sofinnova Investment, Inc. join company's board of directors.

The round got oversubscribed.