United States · 
Who invested in ArkeaBio?
ArkeaBio's investors include Breakthrough Energy and AgriZeroNZ. AgriZeroNZ led its latest round.
2026
$7.0MSeries A$15MSeries AUnited States · Series A startup
Who invested in ArkeaBio
2 rounds we have observed, with the 2 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.
Raised 1 month ago
Funding summaryUpdated 26 Oct 2026
$22Mraised across 2 rounds since 2025, from 2 sources
$7.0MSeries A$15MSeries A
- Latest round
- Series A, $15MSept 2026
- Led by
- AgriZeroNZ
- Step-upi
- 2.1×
- Investors
- 2 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $7.0M Sept 2025
- Biggest round
- $15M Series A · Sept 2026
- Between rounds
- 13 months from the last two
The rounds
- Sept 2026
- Sept 2025
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
Missing a round, or an investor who was in one? Tell us.
Quick answers about ArkeaBio
How much has ArkeaBio raised?
ArkeaBio has raised $22M across 2 rounds since 2025.
When did ArkeaBio last raise?
ArkeaBio's most recent round was a Series A of $15M in Sept 2026, led by AgriZeroNZ.
What was ArkeaBio's biggest round?
Its most recent round, $15M in Sept 2026, is also its largest on record.
Who backed ArkeaBio first?
ArkeaBio's first round on record, in Sept 2025, was backed by Breakthrough Energy.
What stage is ArkeaBio at?
ArkeaBio's latest named round is a Series A, in Sept 2026.
Where is ArkeaBio based?
ArkeaBio is based in the United States.
Who led ArkeaBio's rounds?
AgriZeroNZ led the Series A in 2026.
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