United States · Series D startup

Who invested in Flatiron Health

4 rounds we have observed, with the 10 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.

Biotech

Funding summaryUpdated 26 Oct 2026

$151Mraised across 4 rounds since 2013, from 4 sources

$8.0MSeries A$130MSeries B$1.4MVenture$12MSeries D
Latest round
Series D, $12MDec 2021
Biggest round
$130MSeries B · May 2014
Step-upi
8.2×
Investors
10
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.

20132015201720192021
$8.0MSeries A$130MSeries B$1.4MVenture$12MSeries D
First round
Series A, $8.0M
Jan 2013
Biggest round
$130M
Series B · May 2014
Usual gap between rounds
16 months
the median of 3

The rounds

  1. Dec 2021
    Series D$12M1 new3 returning

    Source recorded

  2. Sept 2014
    Venture$1.4M

    No investor was named in the report.

    From a historical funding record

  3. May 2014
    Series B$130M3 returning

    From a historical funding recordSEC filing: $8.0M sold, first sale Oct 2012

  4. Jan 2013

Founders and team

From Flatiron Health's own website and the SEC filings it signed: 9 on the team.

  • Nathan HubbardChief Executive Officer
  • Allison CandidoChief Technology Officer
  • Cal BrouiletteChief Financial Officer
  • Julia MortonChief Operating Officer
  • Kate EstepChief Product Officer
  • Michael BierlChief Business Officer
  • Quincy WeatherspoonChief Network Officer, US Point of Care
  • Nat TurnerExecutive Officer, Directori
  • Zachary WeinbergDirector, Executive Officeri

On the board, as filediKrishna Yeshwant

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

First Round CapitalVC firm3rounds
SV AngelVC firm2rounds
Google VenturesCorporate VC2rounds
BoxGroupVC firm2rounds
Andreessen HorowitzVC firm1round
Social CapitalVC firm1round
IA VenturesVC firm1round

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

Also claim to have backed them

These 2 firms list Flatiron Health 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.

Steve MartocciAngelPer its own site
MagellanVenture studioPer its own site

Quick answers about Flatiron Health

Who invested in Flatiron Health?

Flatiron Health's investors include First Round Capital, SV Angel, Google Ventures, BoxGroup and Laboratory Corporation of America, and 5 more on record.

How much has Flatiron Health raised?

Flatiron Health has raised $151M across 4 rounds since 2013.

When did Flatiron Health last raise?

Flatiron Health's most recent round was a Series D of $12M in Dec 2021.

What was Flatiron Health's biggest round?

Flatiron Health's largest round on record is $130M (Series B), in May 2014.

Who backed Flatiron Health first?

Flatiron Health's first round on record, in Jan 2013, was backed by SV Angel, Google Ventures and First Round Capital and 6 others.

What stage is Flatiron Health at?

Flatiron Health's latest named round is a Series D, in Dec 2021.

Where is Flatiron Health based?

Flatiron Health is based in the United States.

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