Keystone Bio
PrivateLast Round
VC Round
Mar 13, 2026
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Keystone Bio operates in Healthcare & Life Sciences and is based in Saint Louis, Michigan. Its latest recorded funding round was a VC Round in March 2026.
Keystone Bio is a biopharmaceutical company that develops precision anti-bacterial therapeutics and companion diagnostics to target systemic inflammation associated with diseases such as Alzheimer's and cardiovascular conditions.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery, Precision Medicine, Clinical Trials
Business Model
B2B
Customer Profile
Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Keystone Bio Comparables
Compare Keystone Bio with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Denteric | 81% | |
| Lighthouse Pharmaceuticals | 80% | |
| AriBio | 69% |
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Keystone Bio Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| VC Round | Mar 13, 2026 | ||||
| VC Round | Sep 12, 2024 |
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Keystone Bio Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Forefront Analytics | VC Round |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 13, 2026
Forefront Analytics participated in the VC Round.
- Sep 12, 2024
Raised $3M with Forefront Analytics participating.
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Keystone 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 Keystone Bio's valuation, stock price, and market status.
Is Keystone Bio a public or private company?
Keystone Bio is a private company.
What is the current stock price of Keystone Bio?
Keystone Bio is a private company, so its shares have no public market price. Caplight tracks Keystone Bio's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Keystone Bio worth (valuation)?
Valuation information for Keystone Bio is not publicly available.
Can I buy Keystone Bio stock?
Keystone Bio shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Keystone Bio's last funding round?
Keystone Bio's most recent funding round was VC Round on March 13, 2026.
Who are the main investors in Keystone Bio?
Key investors in Keystone Bio include Forefront Analytics.
Will Keystone Bio IPO soon?
No public IPO plans have been announced for Keystone Bio.
How can I track Keystone Bio secondary market activity?
Caplight tracks bids, offers, and trades in Keystone Bio's shares on secondary markets.