United States · Series C startup

Who invested in SiteOne Therapeutics

5 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.

BiotechHealthcare

Funding summaryUpdated 26 Oct 2026

$119Mraised across 5 rounds since 2014, from 5 sources

$1.4MGrant$1.5MVenture$1.3MVenture$15MSeries B$100MSeries C
Latest round
Series C, $100MDec 2024
Step-upi
6.7×
Investors
10 (1 led)
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
$1.4MGrant$1.5MVenture$15MSeries B$100MSeries C
First round
Grant, $1.4M
Sept 2014
Biggest round
$100M
Series C · Dec 2024
Usual gap between rounds
18 months
the median of 3

The rounds

  1. Dec 2024
  2. Jan 2017
    Series B$15M1 new

    Reported by GenengnewsSEC filing: $15M sold, first sale Dec 2016

  3. Jul 2015
    Venture$1.3M2 new2 returning

    From a historical funding recordSEC filing: $1.3M sold, first sale Jul 2015

  4. Sept 2014
    Venture$1.5M3 new

    From a historical funding record

  5. Sept 2014
    Grant$1.4M

    No investor was named in the report.

    From a historical funding record

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

Next Frontier CapitalVC firm2rounds
Sears Capital ManagementInvestment firm2rounds
BioBritVC firm2rounds
AmgenCorporate VC1round, led 1
OrbiMedPrivate equity1round
Novo HoldingsVC firm1round
Mission BioCapitalVC firm1round
Mission Bay CapitalVC firm1round
Bay CapitalHedge fund1round

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

Quick answers about SiteOne Therapeutics

Who invested in SiteOne Therapeutics?

SiteOne Therapeutics's investors include Next Frontier Capital, Sears Capital Management, BioBrit, Amgen and OrbiMed, and 5 more on record.

How much has SiteOne Therapeutics raised?

SiteOne Therapeutics has raised $119M across 5 rounds since 2014.

When did SiteOne Therapeutics last raise?

SiteOne Therapeutics's most recent round was a Series C of $100M in Dec 2024.

What was SiteOne Therapeutics's biggest round?

Its most recent round, $100M in Dec 2024, is also its largest on record.

Who backed SiteOne Therapeutics first?

SiteOne Therapeutics's first round on record, in Sept 2014, was backed by Bay Capital, Sears Capital Management and BioBrit.

What stage is SiteOne Therapeutics at?

SiteOne Therapeutics's latest named round is a Series C, in Dec 2024.

Where is SiteOne Therapeutics based?

SiteOne Therapeutics is based in the United States.

Who led SiteOne Therapeutics's rounds?

Amgen led the Series B in 2017.

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