United States · 
Who invested in Alltrna?
Alltrna's investors include Flagship Pioneering.
United States · Series B startup
Who invested in Alltrna
Funding summaryUpdated 26 Oct 2026
$109Mraised across 1 round since 2023, from 1 source
- Latest round
- Series B, $109MAug 2023
- Investors
- 1
The rounds
- Aug 2023
Founders and team
From Alltrna's own website: 2 on the team.
- Joanne ProtanoPresident & Chief Financial Officer
- Lynne ParshallDirector
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Alltrna
How much has Alltrna raised?
Alltrna has raised $109M across 1 round since 2023.
When did Alltrna last raise?
Alltrna's most recent round was a Series B of $109M in Aug 2023.
What was Alltrna's biggest round?
Its most recent round, $109M in Aug 2023, is also its largest on record.
Who backed Alltrna first?
Alltrna's first round on record, in Aug 2023, was backed by Flagship Pioneering.
What stage is Alltrna at?
Alltrna's latest named round is a Series B, in Aug 2023.
Where is Alltrna based?
Alltrna is based in the United States.
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