Perimeter Systems
PrivateLast Round
Growth Equity
Apr 7, 2026
Total Funding Raised
$60M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Perimeter Systems operates in Healthcare & Life Sciences and is based in Boston, Massachusetts. Its latest recorded funding round was a Growth Equity round in April 2026.
Perimeter Systems is a biosecurity company that provides an integrated infrastructure platform for real-time monitoring of biological threats and actionable intelligence.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Defense Tech, Threat Intelligence, Environmental Monitoring
Business Model
B2G
Customer Profile
Services & Consulting, Subscription SaaS, Government Contracts
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Perimeter Systems Comparables
Compare Perimeter Systems with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| PHC Global | 82% | |
| Pilgrim Labs | 78% | |
| Valthos | 77% |
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Perimeter Systems Funding Rounds
Historical fundraising activity
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Perimeter Systems Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| SCS Financial | Growth Equity |
| Safe Artificial Intelligence Fund LP | Growth Equity |
| Goldcrest Capital | Growth Equity |
Market signals
Structured signals derived from secondary market and firmographic data.
- Nov 9, 2026
Collaborating with Reflection AI on biosecurity defenses.
- Nov 2, 2026
Open roles increased to 8, 2.2x the trailing average.
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Recent news
Latest coverage and updates
- is_developingNov 9, 2026
Perimeter focuses on biosecurity resilience while Reflection develops AI models and services, illustrating a partnership that broadens AI safety from model behavior to surrounding institutions and infrastructure.
- launchesAug 18, 2026
Perimeter and Culturewell launch a joint infection surveillance program in Michigan and Massachusetts on Aug 18th '26, combining surface sampling, building-level wastewater sequencing, and outbreak intelligence to give hospitals a continuous, multi-level view of infection risk.
- launchesAug 18, 2026
Perimeter launches a joint infection surveillance program in Michigan and Massachusetts on Aug 18th '26 that combines hospital surface sampling, building-level wastewater sequencing, and outbreak intelligence to help hospitals identify and mitigate infection risks.
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Perimeter Systems 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 Perimeter Systems's valuation, stock price, and market status.
Is Perimeter Systems a public or private company?
Perimeter Systems is a private company.
What is the current stock price of Perimeter Systems?
Perimeter Systems is a private company, so its shares have no public market price. Caplight tracks Perimeter Systems's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Perimeter Systems worth (valuation)?
Valuation information for Perimeter Systems is not publicly available.
Can I buy Perimeter Systems stock?
Perimeter Systems shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Perimeter Systems's last funding round?
Perimeter Systems's most recent funding round was Growth Equity on April 7, 2026.
Who are the main investors in Perimeter Systems?
Key investors in Perimeter Systems include SCS Financial, Safe Artificial Intelligence Fund LP, Goldcrest Capital.
Will Perimeter Systems IPO soon?
No public IPO plans have been announced for Perimeter Systems.
How can I track Perimeter Systems secondary market activity?
Caplight tracks bids, offers, and trades in Perimeter Systems's shares on secondary markets.