United States · 
Who invested in Arrowhead Pharmaceuticals?
Arrowhead Pharmaceuticals's investors include Sixth Street. Sixth Street led its latest round.
United States · Funded startup
Who invested in Arrowhead Pharmaceuticals
One round we have observed, with the one investor 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
$500Mraised across 1 round since 2024, from 1 source
- Latest round
- Debt, $500MAug 2024
- Led by
- Sixth Street
- Investors
- 1 (1 led)
The rounds
- Aug 2024
Everyone who backed them
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Quick answers about Arrowhead Pharmaceuticals
How much has Arrowhead Pharmaceuticals raised?
Arrowhead Pharmaceuticals has raised $500M across 1 round since 2024.
When did Arrowhead Pharmaceuticals last raise?
Arrowhead Pharmaceuticals's most recent round was a Debt of $500M in Aug 2024, led by Sixth Street.
What was Arrowhead Pharmaceuticals's biggest round?
Its most recent round, $500M in Aug 2024, is also its largest on record.
Who backed Arrowhead Pharmaceuticals first?
Arrowhead Pharmaceuticals's first round on record, in Aug 2024, was backed by Sixth Street.
What stage is Arrowhead Pharmaceuticals at?
Arrowhead Pharmaceuticals's latest named round is a Debt, in Aug 2024.
Where is Arrowhead Pharmaceuticals based?
Arrowhead Pharmaceuticals is based in the United States.
Who led Arrowhead Pharmaceuticals's rounds?
Sixth Street led the Debt in 2024.
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