Ruby Bio
PrivateLast Round
Seed
Jun 9, 2025
Total Funding Raised
$13.12M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Ruby Bio operates in Energy & Sustainability and is based in Oakland, California. Its latest recorded funding round was a Seed round in June 2025.
Ruby Bio is a biotechnology company that develops a biomanufacturing platform using yeast-based fermentation to produce bio-based chemicals and ingredients.
Sector
Energy & Sustainability
Verticals
Biotechnology, Sustainable Materials, Clean Manufacturing, Circular Economy
Business Model
B2B
Customer Profile
Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Ruby Bio Comparables
Compare Ruby Bio with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| AmphiStar | 84% | |
| C16 Biosciences | 82% | |
| Dispersa | 82% |
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Ruby Bio Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Jun 9, 2025 | ||||
| Seed | Aug 31, 2023 |
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Key People
Founding team and executive leadership
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Ruby Bio Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Kicker Ventures | Seed |
| F4 Fund | Seed |
| Fusion Fund | Seed |
| IBX Investment Partners | Seed |
| Alumni Ventures | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
Monthly visitors increased 43% MoM, from 1.3K to 1.9K.
- Aug 26, 2025
Grew 27% QoQ from 11 to 14 employees.
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Ruby Bio 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 Ruby Bio's valuation, stock price, and market status.
Is Ruby Bio a public or private company?
Ruby Bio is a private company.
What is the current stock price of Ruby Bio?
Ruby Bio is a private company, so its shares have no public market price. Caplight tracks Ruby Bio's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Ruby Bio worth (valuation)?
Valuation information for Ruby Bio is not publicly available.
Can I buy Ruby Bio stock?
Ruby Bio shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Ruby Bio's last funding round?
Ruby Bio's most recent funding round was Seed on June 9, 2025.
Who are the main investors in Ruby Bio?
Key investors in Ruby Bio include Kicker Ventures, F4 Fund, Fusion Fund, IBX Investment Partners, Alumni Ventures.
Will Ruby Bio IPO soon?
No public IPO plans have been announced for Ruby Bio.
How can I track Ruby Bio secondary market activity?
Caplight tracks bids, offers, and trades in Ruby Bio's shares on secondary markets.