# ArkeaBio

> Climate-biotech company developing vaccines intended to reduce methane emissions from livestock.

## Why it is interesting

A vaccine could fit existing animal-health workflows better than daily feed additives, but adoption depends on repeatable emissions reduction, regulatory approval and farmer economics. The Series A2 finances a focused commercialization path after a workforce reduction.

## Profile

- **Latest funding:** Series A2 — $15 million (September 30, 2026)
- **Latest known valuation:** Not publicly disclosed
- **Total disclosed equity funding:** $45M
- **Stage:** series-a
- **Status:** private
- **Industries:** climate-tech, biotech-life-sciences, deep-tech
- **Coverage:** full
- **Last updated:** 2026-09-30T19:16:00.000Z
- **Latest funding investors:** AgriZeroNZ, Breakthrough Energy Ventures

## Key facts

- Raised a $15 million Series A2 led by AgriZeroNZ in September 2026.
- Targets New Zealand regulatory approval before a planned 2028 commercial launch.
- Reduced headcount by about one-third while concentrating resources on the first product and market.

## Funding history

- Series A2 · $15 million · September 30, 2026
  Source: https://agfundernews.com/exclusive-arkeabio-raises-15m-for-livestock-methane-tech-cuts-headcount
- Series A1 · $3.5 million follow-on investment · September 2025
  Source: https://www.farmersweekly.co.nz/news/agrizeronz-steps-up-support-for-methane-vaccine/
- Series A · $26.5 million · May 8, 2024
  Source: https://www.businesswire.com/news/home/20240508726302/en/ArkeaBio-Raises-%2426.5M-to-Reduce-Greenhouse-Gas-Emissions-with-Methane-Vaccine

## Investors in our directory

- https://venturecapitaltracker.com/fund/agrizeronz
- https://venturecapitaltracker.com/fund/breakthrough-energy-ventures

## Related articles

- https://venturecapitaltracker.com/2026-arkeabio-15m-series-a2-methane-vaccine

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** September 30, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

---
Source: https://venturecapitaltracker.com/startup/arkeabio