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Helmet Security

Helmet Security

Private
Washington D.C.Cybersecurityhttps://helmet.sh

Last Round

Seed

Dec 5, 2025

Total Funding Raised

$9M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Helmet Security operates in Cybersecurity and is based in Washington D.C.. Its latest recorded funding round was a Seed round in December 2025.

Helmet Security is a cybersecurity company that provides an end-to-end platform to secure the infrastructure behind agentic AI communications.

Sector

Cybersecurity

Verticals

Application Security, Cloud Security, SIEM

Business Model

B2B

Customer Profile

Subscription SaaS, Services & Consulting

AI Layer

Infrastructure

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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Helmet Security Comparables

Compare Helmet Security with similar companies based on industry and business-model similarity.

Helmet Security comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Ultra Security
93%
Sonoma Security
87%
Aurascape
85%
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Helmet Security Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedDec 5, 2025
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Helmet Security Investors

Notable investors and investment history

Helmet Security investors
InvestorRounds
SYN VenturesSeed
WhiteRabbit VenturesSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Dec 5, 2025

    $9M raised in Seed round.

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Helmet Security Filings

Explore SEC and related filing metadata, where available.

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

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Frequently Asked Questions

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

Is Helmet Security a public or private company?

Helmet Security is a private company.

What is the current stock price of Helmet Security?

Helmet Security is a private company, so its shares have no public market price. Caplight tracks Helmet Security's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Helmet Security worth (valuation)?

Valuation information for Helmet Security is not publicly available.

Can I buy Helmet Security stock?

Helmet Security shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Helmet Security's last funding round?

Helmet Security's most recent funding round was Seed on December 5, 2025.

Who are the main investors in Helmet Security?

Key investors in Helmet Security include SYN Ventures, WhiteRabbit Ventures.

Will Helmet Security IPO soon?

No public IPO plans have been announced for Helmet Security.

How can I track Helmet Security secondary market activity?

Caplight tracks bids, offers, and trades in Helmet Security's shares on secondary markets.

Firmographic Details

HeadquartersWashington D.C.
Year Founded2025
Last FundingDec 5, 2025

Institutional Data Access

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