Series B startup

Who invested in Palleon Pharmaceuticals

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.

Biotech

Funding summaryUpdated 26 Oct 2026

$100Mraised across 1 round since 2020, from 1 source

Latest round
Series B, $100MSept 2020
Investors
3
See who backed them

The rounds

  1. Sept 2020
    Series B$100M

    Source recordedSEC filing: $100M sold, first sale Sept 2020

Founders and team

From the SEC filings it signed: 2 on the team.

  • James W. BroderickExecutive Officer, Directori
  • John W. HennessyExecutive Officeri

On the board, as filediEric W. XiaoKaran W. TakharRajeev W. DadooStephen W. HoffmanWilliam W. Burkoth

Everyone who backed them

Vertex VenturesVC firm1round
SR OneCorporate VC1round
AbbVieCorporate VC1round

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Quick answers about Palleon Pharmaceuticals

Who invested in Palleon Pharmaceuticals?

Palleon Pharmaceuticals's investors include Vertex Ventures, SR One and AbbVie.

How much has Palleon Pharmaceuticals raised?

Palleon Pharmaceuticals has raised $100M across 1 round since 2020.

When did Palleon Pharmaceuticals last raise?

Palleon Pharmaceuticals's most recent round was a Series B of $100M in Sept 2020.

What was Palleon Pharmaceuticals's biggest round?

Its most recent round, $100M in Sept 2020, is also its largest on record.

Who backed Palleon Pharmaceuticals first?

Palleon Pharmaceuticals's first round on record, in Sept 2020, was backed by Vertex Ventures, SR One and AbbVie.

What stage is Palleon Pharmaceuticals at?

Palleon Pharmaceuticals's latest named round is a Series B, in Sept 2020.

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