Seaport Therapeutics, a clinical-stage biopharmaceutical company that is advancing novel neuropsychiatric medicines with a proven strategy and team, announced the closing of an oversubscribed $225 million Series B financing round. The syndicate was led by General Atlantic, a leading global growth investor, with participation from funds and accounts advised by T. Rowe Price Associates, Inc., Foresite Capital, Invus, Goldman Sachs Alternatives, CPP Investments, and other new investors. Founding investors ARCH Venture Partners, Sofinnova Investments, Third Rock Ventures, and co-founder PureTech Health also participated.