Symbrosia
PrivateLast Round
Series A
Extension
Dec 16, 2025
Total Funding Raised
$15.56M
Company Overview
Symbrosia operates in Energy & Sustainability and is based in Kailua-Kona, Hawaii. Its latest recorded funding round was a Series A Extension round in December 2025.
Symbrosia is an agtech and cleantech company that produces a natural seaweed-based feed additive, SeaGraze®, to significantly reduce methane emissions from livestock.
Sector
Energy & Sustainability
Verticals
Biotechnology, Sustainable Materials
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Symbrosia Comparables
Compare Symbrosia with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Blue Ocean Barns | 92% | |
| Volta Greentech | 91% | |
| CH4 Global | 91% |
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Symbrosia Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A Extension | Dec 16, 2025 | ||||
| Grant | Jan 23, 2024 | ||||
| Series A | Jun 23, 2022 | ||||
| Grant | Jan 19, 2021 |
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Key People
Founding team and executive leadership
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Symbrosia Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Danone Manifesto Ventures | Series A Extension, Series A |
| Kamehameha Schools | Series A Extension, Series A |
| Mana Up | Series A Extension, Series A |
| Pacific6 Enterprises | Seed, Series A Extension, Series A |
| Hatch Blue | Seed, Series A Extension, Series A |
| National Science Foundation | Grant |
| One Small Planet | Series A Extension |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Jun 20, 2026
Monthly visitors increased 50% MoM.
- May 13, 2025
Launched the SeaGraze Performance Guarantee for beef production.
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Recent news
Latest coverage and updates
- expands_facilitiesAug 25, 2026
Symbrosia Inc. is expanding commercial cultivation operations to Indonesia and plans to transfer its cultivation technology platform, establish a local production team, and identify high-performing Asparagopsis strains in Fall '26.
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Symbrosia Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Symbrosia's valuation, stock price, and market status.
Is Symbrosia a public or private company?
Symbrosia is a private company.
What is the current stock price of Symbrosia?
Symbrosia is a private company, so its shares have no public market price. Caplight tracks Symbrosia's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Symbrosia worth (valuation)?
Valuation information for Symbrosia is not publicly available.
Can I buy Symbrosia stock?
Symbrosia shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Symbrosia's last funding round?
Symbrosia's most recent funding round was Series A Extension on December 16, 2025.
Who are the main investors in Symbrosia?
Key investors in Symbrosia include Danone Manifesto Ventures.
Will Symbrosia IPO soon?
No public IPO plans have been announced for Symbrosia.
How can I track Symbrosia secondary market activity?
Caplight tracks bids, offers, and trades in Symbrosia's shares on secondary markets.