United States · Series D startup

Who invested in Proscia

3 rounds we have observed, with the 9 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.

AIBiotechHealthcare

Funding summaryUpdated 26 Oct 2026

$59Mraised across 3 rounds since 2016, from 3 sources

$1.0MSeed$8.3MSeries A$50MSeries D
Latest round
Series D, $50MMar 2025
Step-upi
6×
Investors
9
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.

20162018202020222024
$1.0MSeed$8.3MSeries A$50MSeries D
First round
Seed, $1.0M
Jul 2016
Biggest round
$50M
Series D · Mar 2025
Usual gap between rounds
6.4 years
the median of 2

The rounds

  1. Mar 2025
    Series D$50M4 new1 returning

    Source recordedSEC filing: $35M sold, first sale Mar 2025

  2. Sept 2018
    Series A$8.3M4 new

    Reported by FinSMEsSEC filing: $8.3M sold, first sale Jul 2018

  3. Jul 2016
    Seed$1.0M1 new

    Reported by FinSMEs

Founders and team

From Proscia's own website: 3 on the team.

  • David WestChief Executive Officer
  • Coleman StavishChief Technology Officer
  • Nathan BuchbinderChief Strategy Officer

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

Fusion FundVC firm2rounds
Insight PartnersVC firm1round
FlybridgeVC firm1round
Hitachi VenturesCorporate VC1round
AmploVC firm1round
Razor's EdgeVC firm1round
Flybridge Capital Partners/ Emerald Developmentno record of our own yet1round

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

Also claim to have backed them

These 7 firms list Proscia as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Robin Hood VenturesAngel networkPer its own site
Razor's Edge VenturesPrivate equityPer its own site
Alpha Intelligence CapitalVC firmPer its own site
SoGal VenturesVC firmPer its own site
Green Park & Golf VenturesVC firmPer its own site
FEMPIRE x SoGalAngel networkPer its own site
Fempire Group (SoG...Angel networkPer its own site

Quick answers about Proscia

Who invested in Proscia?

Proscia's investors include Fusion Fund, Insight Partners, Flybridge, Scale Venture Partners and Hitachi Ventures, and 4 more on record.

How much has Proscia raised?

Proscia has raised $59M across 3 rounds since 2016.

When did Proscia last raise?

Proscia's most recent round was a Series D of $50M in Mar 2025.

What was Proscia's biggest round?

Its most recent round, $50M in Mar 2025, is also its largest on record.

Who backed Proscia first?

Proscia's first round on record, in Jul 2016, was backed by Emerald Development Managers Lp.

What stage is Proscia at?

Proscia's latest named round is a Series D, in Mar 2025.

Where is Proscia based?

Proscia is based in the United States.

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