Sublime Security
PrivateLast Round
Series C
Oct 28, 2025
Est. Valuation
$1B
Total Funding Raised
$239.8M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Sublime Security is a cybersecurity company that provides an AI-powered, programmable cloud email security platform designed to detect and block attacks like Business Email Compromise (BEC), malware, and phishing.
Sector
Cybersecurity
Verticals
Email Security, Threat Intelligence, Application Security, Cloud Security
Business Model
B2B
Customer Profile
Subscription SaaS, Usage-Based SaaS
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Sublime Security Comparables
Compare Sublime Security with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Abnormal AI | 86% | |
| Ironscales | 84% | |
| Material Security | 78% | |
Sublime Security Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C | Oct 28, 2025 | ||||
| Series B | Dec 12, 2024 | ||||
| Series A | Apr 24, 2024 | ||||
| Seed | Feb 21, 2023 |
Key People
Founding team and executive leadership
Sublime Security Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Decibel | Series A, Series B, Seed |
| Slow Ventures | Series A, Seed, Series B, Series C |
| Citi Ventures | Series B, Series C |
| Georgian | Series C |
| 01 Advisors | Series C |
| 01A | Series C |
| Institutional Venture Partners (IVP) | Series C, Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 13, 2026
Added US Signal Company, L.L.C. as a customer.
- Apr 1, 2026
Added Huel Inc. from the Food & Beverage industry.
Sublime Security Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Sublime Security's valuation, stock price, and market status.