Primary Bioscience
PrivateLast Round
Seed Round
Oct 2, 2025
Total Funding Raised
$1.13M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Primary Bioscience operates in Healthcare & Life Sciences and is based in San Francisco, California. Its latest recorded funding round was a Seed round in October 2025.
Primary Bioscience is a drug discovery company developing the next generation of therapeutics to prevent and treat viral infections.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Medical Devices, Biotech Equipment, Precision Medicine
Business Model
B2B
Customer Profile
Usage-Based SaaS, Hardware Sales, Hardware + Subscription, Services & Consulting
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Primary Bioscience Comparables
Compare Primary Bioscience with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Enumera Molecular | 84% | |
| Erisyon | 80% | |
| Chronos DX | 78% |
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Primary Bioscience Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed Round | Oct 2, 2025 | ||||
| Seed | Oct 1, 2025 | ||||
| Accelerator | Jul 7, 2025 | ||||
| Grant | Oct 9, 2023 |
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Primary Bioscience Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Creative Destruction Lab | Accelerator, Seed Round, Seed |
| IndieBio | Accelerator, Seed |
| Life Science Washington Entrepreneurship & Venture Services | Grant, Seed Round, Seed |
| Reinforced Ventures | Seed |
| SOSV | Accelerator, Seed Round, Seed |
| Washington State Department of Commerce | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 20, 2026
Grew 100% QoQ, from 3 to 6 employees.
- Jul 24, 2026
Grew 200% QoQ, from 2 to 6 employees.
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Primary 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 Primary Bioscience's valuation, stock price, and market status.
Is Primary Bioscience a public or private company?
Primary Bioscience is a private company.
What is the current stock price of Primary Bioscience?
Primary Bioscience is a private company, so its shares have no public market price. Caplight tracks Primary Bioscience's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Primary Bioscience worth (valuation)?
Valuation information for Primary Bioscience is not publicly available.
Can I buy Primary Bioscience stock?
Primary Bioscience shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Primary Bioscience's last funding round?
Primary Bioscience's most recent funding round was Seed Round on October 2, 2025.
Who are the main investors in Primary Bioscience?
Key investors in Primary Bioscience include Creative Destruction Lab, IndieBio, Life Science Washington Entrepreneurship & Venture Services, Reinforced Ventures, SOSV.
Will Primary Bioscience IPO soon?
No public IPO plans have been announced for Primary Bioscience.
How can I track Primary Bioscience secondary market activity?
Caplight tracks bids, offers, and trades in Primary Bioscience's shares on secondary markets.