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Sublime Security

Sublime Security

Private
Washington D.C.Cybersecurityhttps://sublimesecurity.com

Last Round

Series C

Oct 28, 2025

Est. Valuation

$1B

Total Funding Raised

$239.8M

Momentum

Top 50%

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

email securityAI email securityagentic securityphishing protectionMessage Query LanguageMQLthreat huntingcloud email securityAI agentmanaged service providerMSPsecure email gatewaySEGAI agent securitythreat detectionsecurity operations centerSOCproactive defense

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Sublime Security Comparables

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Sublime Security comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Abnormal AI
86%
Ironscales
84%
Material Security
78%

Sublime Security Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series COct 28, 2025
Series BDec 12, 2024
Series AApr 24, 2024
SeedFeb 21, 2023

Key People

Founding team and executive leadership

Josh Kamdjou

Founder & CEO

Founding Team

Sublime Security Investors

Notable investors and investment history

Sublime Security investors
InvestorRounds
DecibelSeries A, Series B, Seed
Slow VenturesSeries A, Seed, Series B, Series C
Citi VenturesSeries B, Series C
GeorgianSeries C
01 AdvisorsSeries C
01ASeries 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.

Recent news

Latest coverage and updates

  • attends_eventAug 31, 2026

    Sublime Security, Inc. attended event Fal.Con 2026 on Aug 31st '26.

  • integrates_withAug 31, 2026

    Sublime Security, Inc. integrated with CrowdStrike Inc. on Aug 31st '26.

  • hiresAug 1, 2026

    Sublime Security, Inc. hired Orleans as chief of threat intelligence on Aug 1st '26.

Sublime Security Filings

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Sublime Security filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Sublime Security's valuation, stock price, and market status.

Is Sublime Security a public or private company?

Sublime Security is a private company.

What is the current stock price of Sublime Security?

Sublime Security is a private company with no public stock price. No recent secondary market data is available.

How much is Sublime Security worth (valuation)?

Sublime Security's valuation is estimated at $926.0M based on funding round data.

Can I buy Sublime Security stock?

Sublime Security shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Sublime Security's last funding round?

Sublime Security's most recent funding round was Series C on October 28, 2025.

Who are the main investors in Sublime Security?

Key investors in Sublime Security include Georgian, Institutional Venture Partners (IVP), Index Ventures.

Will Sublime Security IPO soon?

No public IPO plans have been announced for Sublime Security.

How can I track Sublime Security secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Sublime Security's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersWashington D.C.
Employee Range265
Year Founded2019
Last FundingOct 28, 2025

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