Lumen Bioscience
PrivateLast Round
Series C
Extension
Oct 8, 2025
Total Funding Raised
$125.15M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Lumen Bioscience operates in Healthcare & Life Sciences and is based in Seattle, Washington. Its latest recorded funding round was a Series C Extension round in October 2025.
Lumen Bioscience is a biotechnology company that develops oral biologic drugs and vaccine candidates using a proprietary spirulina-based platform.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery, Clinical Trials, Clean Manufacturing
Business Model
B2B
Customer Profile
Government Contracts, Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Lumen Bioscience Comparables
Compare Lumen Bioscience with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Vedanta Biosciences | 79% | |
| Fzata, Inc. | 78% | |
| GAT Biosciences S.L. | 78% |
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Lumen Bioscience Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C Extension | Oct 8, 2025 | ||||
| Grant | Oct 17, 2023 | ||||
| Series C | Jun 1, 2022 | ||||
| Grant | Jan 27, 2021 | ||||
| Series B | Sep 1, 2020 | ||||
Grant | Dec 5, 2017 |
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Key People
Founding team and executive leadership
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Lumen Bioscience Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| CARB-X | Grant |
| U.S. Department of Defense | Grant |
| Gates Family Foundation | Series C Extension |
| Gates Foundation | Grant, Series C Extension |
| Public Health Emergency Medical Countermeasures Enterprise | Grant |
| WestRiver Group | Series C Extension, Series B |
| U.S. Department of War | Grant |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 25, 2026
Monthly visitors grew 51% MoM, from 3.7K to 5.6K.
- Mar 10, 2026
Achieved FSCC 22000 food safety certification.
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Recent news
Latest coverage and updates
- receives_financingSep 1, 2026
Lumen Bioscience, Inc. received financing of $7M in grant on Sep 5th '26.
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Lumen Bioscience 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 Lumen Bioscience's valuation, stock price, and market status.
Is Lumen Bioscience a public or private company?
Lumen Bioscience is a private company.
What is the current stock price of Lumen Bioscience?
Lumen Bioscience is a private company, so its shares have no public market price. Caplight tracks Lumen Bioscience's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Lumen Bioscience worth (valuation)?
Valuation information for Lumen Bioscience is not publicly available.
Can I buy Lumen Bioscience stock?
Lumen Bioscience shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Lumen Bioscience's last funding round?
Lumen Bioscience's most recent funding round was Series C Extension on October 8, 2025.
Who are the main investors in Lumen Bioscience?
Key investors in Lumen Bioscience include WestRiver Group, Bioeconomy Capital, WestRiver Group, Avista Development.
Will Lumen Bioscience IPO soon?
No public IPO plans have been announced for Lumen Bioscience.
How can I track Lumen Bioscience secondary market activity?
Caplight tracks bids, offers, and trades in Lumen Bioscience's shares on secondary markets.