# Symbrosia

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/symbrosia

- Industry: Biotechnology
- Headquarters: US
- Website: www.symbrosia.co
- Total disclosed funding: $9.4M
- Latest round: Series A (Jun 12, 2022)
- Investors on record: 6

## About

Founded in 2018 and based in Hawaii, US, Symbrosia Inc. operates as a cleantech company that develops SeaGrazeTM, a natural seaweed feed additive that reduces livestock methane emissions. Founders of the company are two chemist by training -- Alexia Akbay and Jonathan Simonds. The company completed its first product SeaGraze's trial in 2020. The company reached partnership with Natural Energy Laboratory of Hawaii (NEHLA) Ocean Science and Technology Park. In December 2025, Symbrosia Inc. raised an undisclosed amount ?in?venture funding ?from new investor Idemitsu Kosan.

The company's flagship product is SeaGraze, a sustainable feed material for cows, which is made of asparagopsis taxiformis, and can reduce livestock methane emission by over 80%.

The company plans to use the December 2025 funding to broaden its business foundation.

## Funding rounds

- Series A, Jun 12, 2022, $8M — Presidio Ventures, Danone Manifesto Ventures, Pacific6, HATCH, Kamehameha Schools, Mana Up
- Seed, Dec 30, 2019, $1.4M — Pacific6, HATCH

## Investors

- Pacific6 — Seed, Series A
- HATCH — Seed, Series A
- Presidio Ventures (https://capitalatlas.ai/funds/presidio-ventures) — Series A
- Danone Manifesto Ventures (https://capitalatlas.ai/funds/danone-manifesto-ventures) — Series A
- Kamehameha Schools — Series A
- Mana Up (https://capitalatlas.ai/funds/mana-up) — Series A