Realm Security
PrivateLast Round
Strategic
Dec 11, 2025
Est. Valuation
$80M
Total Funding Raised
$22M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Realm Security operates in Cybersecurity and is based in Boston, Massachusetts. Its latest recorded funding round was a Strategic round in December 2025.
Realm Security is a cybersecurity company that provides an AI-native security data pipeline platform designed to help security teams manage, filter, and route security telemetry.
Sector
Cybersecurity
Verticals
Data Integration, SIEM, Cloud Security
Business Model
B2B
Customer Profile
Subscription SaaS
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Realm Security Comparables
Compare Realm Security with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Abstract Security | 90% | |
| DataBahn | 87% | |
| CeTu Systems | 87% |
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Realm Security Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Strategic | Dec 11, 2025 | ||||
| Series A | Oct 8, 2025 | ||||
| Seed | Sep 12, 2024 |
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Key People
Founding team and executive leadership
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Realm Security Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Accomplice | Series A, Seed |
| Presidio Ventures | Strategic |
| Jump Capital | Series A |
| Glasswing Ventures | Series A, Seed |
| Presidio Ventures | Strategic |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jun 30, 2026
Grew 26% QoQ, from 43 to 54 employees.
- Jun 1, 2026
Grew 32% QoQ, from 37 to 49 employees.
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Recent news
Latest coverage and updates
- launchesNov 5, 2026
Realm.Security, Inc. launches SecurityDataPipeline.com, an ungated educational resource that helps cybersecurity professionals understand security data pipelines and reduce SIEM costs without weakening detection coverage, in Massachusetts on Nov 5th '26.
- partners_withOct 29, 2026
Realm.Security, Inc. partners with Crush Security through the Realm Partner Program in North America as Realm Security expands its channel-led go-to-market on Oct 29th '26.
- partners_withOct 29, 2026
Realm.Security, Inc. partners with ProCern as its partner program expands in response to enterprise demand for neutral security data pipelines on Oct 29th '26.
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Realm Security 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 Realm Security's valuation, stock price, and market status.
Is Realm Security a public or private company?
Realm Security is a private company.
What is the current stock price of Realm Security?
Realm Security is a private company, so its shares have no public market price. Caplight tracks Realm Security's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Realm Security worth (valuation)?
Realm Security's valuation is estimated at $80.0M based on funding round data.
Can I buy Realm Security stock?
Realm Security shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Realm Security's last funding round?
Realm Security's most recent funding round was Strategic on December 11, 2025.
Who are the main investors in Realm Security?
Key investors in Realm Security include Accomplice, Presidio Ventures, Jump Capital, Glasswing Ventures, Presidio Ventures.
Will Realm Security IPO soon?
No public IPO plans have been announced for Realm Security.
How can I track Realm Security secondary market activity?
Caplight tracks bids, offers, and trades in Realm Security's shares on secondary markets.