Key facts
- Symbrosia’s last known valuation is $37.0M (Jun 2022).
- It has raised $14.2M; the latest was Later Stage VC ($5.8M) in Dec 2025.
- Notable investors include US National Science Foundation, E8 (Seattle), United States Department of Agriculture, Hatch Blue, Massachusetts Institute of Technology Endowment — 18 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 18 names
- ·Watchlist + deal alerts for Symbrosia
- ·The full record, as it builds
Funding rounds
No funding rounds for Symbrosia are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Symbrosia
Producer of feed additives intended to reduce livestock methane emissions. The company offers a proprietary seaweed-based product developed from fast-growing asparagopsis strains, enabling ranchers and livestock producers to significantly cut greenhouse gas emissions.
- Sector
- Consumer Products and Services (B2C)
- HQ
- Kailua-Kona, HI, United States
- Founded
- 2018
- Employees
- 27
- Website
- symbrosia.co/
- Ownership
- Privately Held (backing)
Symbrosia doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Symbrosia shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Symbrosia in its N-PORT filings yet. We sweep new filings monthly.