Series B startup

Who invested in Horizon Therapeutics

One round we have observed, with the 3 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Funding summaryUpdated 26 Oct 2026

$15Mraised across 1 round since 2007, from 1 source

Latest round
Series B, $15MJan 2007
Investors
3
See who backed them

The rounds

  1. Jan 2007
    Series B$15M

    From a historical funding record

Everyone who backed them

Pequot CapitalGrowth equity1round

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Also claim to have backed them

These 2 firms list Horizon Therapeutics 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.

Atlas VentureVC firmPer its own site
Avoro Capital Advi...Private equityPer its own site

Quick answers about Horizon Therapeutics

Who invested in Horizon Therapeutics?

Horizon Therapeutics's investors include Scale Venture Partners, Sutter Hill Ventures and Pequot Capital.

How much has Horizon Therapeutics raised?

Horizon Therapeutics has raised $15M across 1 round since 2007.

When did Horizon Therapeutics last raise?

Horizon Therapeutics's most recent round was a Series B of $15M in Jan 2007.

What was Horizon Therapeutics's biggest round?

Its most recent round, $15M in Jan 2007, is also its largest on record.

Who backed Horizon Therapeutics first?

Horizon Therapeutics's first round on record, in Jan 2007, was backed by Scale Venture Partners, Sutter Hill Ventures and Pequot Capital.

What stage is Horizon Therapeutics at?

Horizon Therapeutics's latest named round is a Series B, in Jan 2007.

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