Who invested in Terrestrial Bio

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

Raised 8 months ago

Funding summaryUpdated 26 Oct 2026

$50Mraised across 1 round since 2026, from 2 sources

Latest round: Series C, $50MMar 2026
Led by: RA Capital Management
Investors: 5 (1 led)

See who backed them

The rounds

Mar 2026
Series C$50M
Reported by Firms' own news pages and 1 otherSEC filing: $57M sold, first sale Mar 2026

Founders and team

From Terrestrial Bio's own website: 4 on the team.

Rachel ShaChief Executive Officer, Board Member
John SpiridigliozziVP of Product Development
Ray KnoxVP of Manufacturing
Weiner TilsnerHead of Quality and Compliance

Everyone who backed them

RA Capital ManagementPrivate equity1round, led 1

National Science FoundationGovernment1round

Engine VenturesVC firm1round

GHICGrowth equity1round

SiteGroundGrowth equity1round

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

Quick answers about Terrestrial Bio

Who invested in Terrestrial Bio?

Terrestrial Bio's investors include RA Capital Management, National Science Foundation, Engine Ventures, GHIC and SiteGround. RA Capital Management led its latest round.

How much has Terrestrial Bio raised?

Terrestrial Bio has raised $50M across 1 round since 2026.

When did Terrestrial Bio last raise?

Terrestrial Bio's most recent round was a Series C of $50M in Mar 2026, led by RA Capital Management.

What was Terrestrial Bio's biggest round?

Its most recent round, $50M in Mar 2026, is also its largest on record.

Who backed Terrestrial Bio first?

Terrestrial Bio's first round on record, in Mar 2026, was backed by RA Capital Management, National Science Foundation and Engine Ventures and 2 others.