Seaport Therapeutics

Boston, MA · Founded 2020 · Privately Held (backing)

Operator of a biopharmaceutical company intended to develop novel neuropsychiatric medicines in areas of patient need. Seaport Therapeutics is based in Boston, MA and was founded in 2020. It is valued at about $740 million as of Oct 2026, set by institutional fund marks. It has raised $330 million across 1 recorded round; the latest was a $226 million later-stage round in Oct 2024.

PMV mark · valuation
$740.0M
Oct 2026
Priced at
its later-stage round
Oct 2024
Total raised
$329.9M
Last round
Later Stage VC
Oct 2024
How much has Seaport Therapeutics raised?
$329.9Macross 1 recorded rounds · Oct 2024 – Oct 2024

Most recently, Seaport Therapeutics raised $225.9M in its Later Stage VC (Oct 2024).

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Seaport Therapeutics round by round

1 rounds
Oct 2024Later Stage VC$225.9MSEC filing▮
33 investors participated

How much has Seaport Therapeutics raised?

Seaport Therapeutics has raised $330 million in total; 1 of its rounds is on record. The largest on record was a $226 million later-stage round in Oct 2024.

Seaport Therapeutics has filed 1 Form D with the SEC, most recently in Oct 2024 ($226 million sold to 33 investors).

Seaport Therapeutics investors

13 investors are on record for Seaport Therapeutics, including General Atlantic, Goldman Sachs Asset Management, ARCH Venture Partners and Hawktail. By type, the record holds 4 venture capital firms and 1 family office. The later-stage round in Oct 2024 drew 33 investors.

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Frequently asked about Seaport Therapeutics

How much has Seaport Therapeutics raised?
Seaport Therapeutics has raised $329.9M in total across 1 recorded funding rounds.
When was Seaport Therapeutics's last funding round?
Seaport Therapeutics's most recent recorded round was Later Stage VC in Oct 2024, raising $225.9M.