United States · Venture startup

Who invested in Gemstone Biotherapeutics

2 rounds we have observed, with the 2 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Advanced Manufacturing

Funding summaryUpdated 26 Oct 2026

$2.7Mraised across 2 rounds since 2015, from 2 sources

$2.5MSeed$250KVenture
Latest round
Venture, $250KAug 2019
Biggest round
$2.5MSeed · Jun 2015
Investors
2
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2016201720182019
$2.5MSeed$250KVenture
First round
Seed, $2.5M
Jun 2015
Biggest round
$2.5M
Seed · Jun 2015
Between rounds
4.2 years
from the last two

The rounds

  1. Aug 2019
    Venture$250K1 new

    Source recorded

  2. Jun 2015
    Seed$2.5M1 new

    From a historical funding recordSEC filing: $1.6M sold, first sale Jun 2015

Founders and team

From the SEC filings it signed: 2 on the team.

  • David OrosDirector, Promoteri
  • George DavisExecutive Officer, Director, Promoteri

On the board, as filediGeoff MackayXin Huang

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Everyone who backed them

Gamma3VC firm1round

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

Quick answers about Gemstone Biotherapeutics

Who invested in Gemstone Biotherapeutics?

Gemstone Biotherapeutics's investors include National Science Foundation and Gamma3.

How much has Gemstone Biotherapeutics raised?

Gemstone Biotherapeutics has raised $2.7M across 2 rounds since 2015.

When did Gemstone Biotherapeutics last raise?

Gemstone Biotherapeutics's most recent round was a Venture of $250K in Aug 2019.

What was Gemstone Biotherapeutics's biggest round?

Gemstone Biotherapeutics's largest round on record is $2.5M (Seed), in Jun 2015.

Who backed Gemstone Biotherapeutics first?

Gemstone Biotherapeutics's first round on record, in Jun 2015, was backed by Gamma3.

What stage is Gemstone Biotherapeutics at?

Gemstone Biotherapeutics's latest named round is a Venture, in Aug 2019.

Where is Gemstone Biotherapeutics based?

Gemstone Biotherapeutics is based in the United States.

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