Who invested in Seismic Therapeutic

One round we have observed, with the 5 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Biotech

Funding summaryUpdated 26 Oct 2026

$25Mraised across 1 round since 2024, from 1 source

Latest round: Series B, $25MSept 2024
Investors: 5

See who backed them

The rounds

Sept 2024
Series B$25M
Source recordedSEC filing: $146M sold, first sale Nov 2023

Founders and team

From Seismic Therapeutic's own website: 2 founders, 1 on the team.

Alan CraneFounder and Chairman of Seismic Therapeutic; Polaris Partners

Harvard Medical SchoolFounder

Melanie ManningChief People Officer

Everyone who backed them

Lightspeed Venture PartnersVC firm1round

Bessemer Venture PartnersVC firm1round

GaingelsPrivate equity1round

Polaris PartnersVC firm1round

Samsara BioCapitalVC firm1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Seismic Therapeutic

Who invested in Seismic Therapeutic?

Seismic Therapeutic's investors include Lightspeed Venture Partners, Bessemer Venture Partners, Gaingels, Polaris Partners and Samsara BioCapital.

How much has Seismic Therapeutic raised?

Seismic Therapeutic has raised $25M across 1 round since 2024.

When did Seismic Therapeutic last raise?

Seismic Therapeutic's most recent round was a Series B of $25M in Sept 2024.

What was Seismic Therapeutic's biggest round?

Its most recent round, $25M in Sept 2024, is also its largest on record.

Who backed Seismic Therapeutic first?

Seismic Therapeutic's first round on record, in Sept 2024, was backed by Lightspeed Venture Partners, Bessemer Venture Partners and Gaingels and 2 others.