United States · Venture startup

Who invested in ARMO BioSciences

4 rounds we have observed, with the 14 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.

BiotechHealthcare

Funding summaryUpdated 26 Oct 2026

$117Mraised across 4 rounds since 2013, from 4 sources

$20MSeries A$30MSeries B$67MSeries C
Latest round
VentureJan 2018
Biggest round
$67MSeries C · Aug 2017
Investors
14
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.

20142015201620172018
$20MSeries A$30MSeries B$67MSeries C?Venture
First round
Series A, $20M
Nov 2013
Biggest round
$67M
Series C · Aug 2017
Usual gap between rounds
6 months
the median of 3

The rounds

  1. Jan 2018
    VentureAmount undisclosed2 new3 returning

    Source recorded

  2. Aug 2017
    Series C$67M8 new3 returning

    Reported by FinSMEs

  3. May 2014
    Series B$30M1 new3 returning

    From a historical funding record

  4. Nov 2013

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

OrbiMedPrivate equity4rounds
DAG VenturesVC firm3rounds
Sequoia CapitalVC firm2rounds
Kleiner PerkinsVC firm2rounds
Nano DimensionGrowth equity2rounds
Google VenturesCorporate VC1round
RTW Investments LLCGrowth equity1round
CelgeneGrowth equity1round
HBMVenture studio1round
Quan FundsVC firm1round
Qiming Venture Partners/ Dechengno record of our own yet1round
RTWno record of our own yet1round

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

Also claim to have backed them

These 2 firms list ARMO BioSciences 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.

Aisling CapitalPrivate equityPer its own site

Quick answers about ARMO BioSciences

Who invested in ARMO BioSciences?

ARMO BioSciences's investors include OrbiMed, DAG Ventures, Sequoia Capital, Kleiner Perkins Caufield & Byers and Kleiner Perkins, and 9 more on record.

How much has ARMO BioSciences raised?

ARMO BioSciences has raised $117M across 4 rounds since 2013. One round did not disclose an amount, so the total is a floor.

When did ARMO BioSciences last raise?

ARMO BioSciences's most recent round was a Venture in Jan 2018.

What was ARMO BioSciences's biggest round?

ARMO BioSciences's largest round on record is $67M (Series C), in Aug 2017.

Who backed ARMO BioSciences first?

ARMO BioSciences's first round on record, in Nov 2013, was backed by Kleiner Perkins Caufield & Byers, OrbiMed and DAG Ventures.

What stage is ARMO BioSciences at?

ARMO BioSciences's latest named round is a Venture, in Jan 2018.

Where is ARMO BioSciences based?

ARMO BioSciences is based in the United States.

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