$15.0M
+$15.0M this year1 filing since 2026 · latest Equity filed
ArkeaBio is an agricultural bioscience company developing a vaccine that reduces methane emissions from cattle and other ruminants. The injectable vaccine is designed to fit existing farm practices without changes to supply chains or animal husbandry. Founded in 2021 and based in Charlestown, Massachusetts, the company is backed by Breakthrough Energy Ventures.
What sets it apart
A single injectable vaccine positioned to scale across global cattle herds at under $100 per ton of emissions reduction, with no impact on meat or milk safety and compatibility with organic production.
An injectable vaccine for cattle that targets methane produced during digestion, reducing livestock greenhouse gas emissions.
