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Siren

Siren

Private
IrelandAI, Data & Cloud Infrastructurehttps://siren.io/

Last Round

Strategic

Dec 2, 2025

Total Funding Raised

$26.36M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Siren is an investigative intelligence software company that provides a platform for law enforcement, national security, and cyber security organizations to connect and analyze disparate data sources.

Sector

AI, Data & Cloud Infrastructure

Verticals

Business Intelligence, Threat Intelligence, Data Visualization, Defense Tech, Compliance & Risk

Business Model

B2G

Customer Profile

Government Contracts, Subscription SaaS, Services & Consulting

AI Layer

Application

Keywords

investigative intelligence platformlink analysisinvestigative analyticsknowledge graphdata federationthreat intelligence platformlaw enforcement softwarenational security softwareOSINT platformGovTechcyber threat intelligencefraud detection softwaredata visualizationElasticsearchentity resolutionair-gapped deployment

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Siren Comparables

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

Siren comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Chorus Intelligence
84%
Datawalk
83%
Blackdot Solutions
81%

Siren Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
StrategicDec 2, 2025
DebtFeb 23, 2023
Series ANov 14, 2019
SeedFeb 8, 2018

Key People

Founding team and executive leadership

Renaud Delbru

Chief Scientific Officer, Co-Founder

Founding Team

John Randles

CEO

Executive Team

David Stafford

Group CFO

Executive Team

Siren Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jan 20, 2026

    Monthly visitors increased 59% MoM.

  • Dec 2, 2025

    Raised a strategic round led by Elastic N.V.

Siren Filings

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

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Frequently Asked Questions

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

Is Siren a public or private company?

Siren is a private company.

What is the current stock price of Siren?

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

How much is Siren worth (valuation)?

Valuation information for Siren is not publicly available.

Can I buy Siren stock?

Siren 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 Siren's last funding round?

Siren's most recent funding round was Strategic on December 2, 2025.

Who are the main investors in Siren?

Key investors in Siren include Atlantic Bridge Capital, European Investment Bank Group.

Will Siren IPO soon?

No public IPO plans have been announced for Siren.

How can I track Siren secondary market activity?

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

Firmographic Details

HeadquartersIreland
Employee Range57
Year Founded2014
Last FundingDec 2, 2025

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