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Panther

Panther

Private
San Francisco, CaliforniaCybersecurityhttps://www.panther.com

Last Round

Series B

Dec 2, 2021

Est. Valuation

$1.4B

Total Funding Raised

$139.5M

Company Overview

Panther Labs is a cybersecurity company that offers an infrastructure security and compliance platform to help organizations maintain security and compliance through AI-driven monitoring and breach detection at cloud scale.

Sector

Cybersecurity

Verticals

SIEM, Cloud Security, Incident Response, Threat Intelligence, Compliance

Business Model

B2B

Customer Profile

Subscription SaaS, Usage-Based SaaS, Services & Consulting, Freemium

AI Layer

Application

Keywords

cloud-native SIEMsecurity data lakedetection-as-codecloud SIEMSIEMmodern SIEMnext-gen SIEMcloud security monitoringthreat detectionincident responsesecurity analyticslog managementSplunk alternativesecurity information and event managementAWS securitySnowflake securityusage-based billingAI-assisted triage

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Track how buyer interest and sentiment changes over time.

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Panther Comparables

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

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Panther Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BDec 2, 2021
Series ASep 9, 2020
SeedOct 3, 2019
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Key People

Founding team and executive leadership

Jack Naglieri

Founder CTO

Founding Team

William H. Lowe

CEO

Executive Team

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Panther Investors

Notable investors and investment history

Panther investors
InvestorRounds
Backend CapitalSeries B
S28 CapitalSeries A, Series B, Seed
Innovation EndeavorsSeries B, Series A, Seed
ICONIQ GrowthSeries B
645 VenturesSeed
Snowflake VenturesSeries B
Behzod Sirjani (Angel Investor)Seed
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Market signals

Structured signals derived from secondary market and firmographic data.

  • Mar 19, 2026

    General availability of AI agents that learn organizational patterns and risk profiles.

  • Jan 5, 2026

    Added Dimensional Fund Advisors LP as a customer.

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Recent news

Latest coverage and updates

  • launchesMar 19, 2026

    Panther Labs Inc. launched complete AI SOC Platform on Mar 19th '26.

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Panther Filings

Explore SEC and related filing metadata, where available.

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

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Frequently Asked Questions

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

Is Panther a public or private company?

Panther is a private company.

What is the current stock price of Panther?

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

How much is Panther worth (valuation)?

Panther's valuation is estimated at $1.4B based on funding round data.

Can I buy Panther stock?

Panther 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 Panther's last funding round?

Panther's most recent funding round was Series B on December 2, 2021.

Who are the main investors in Panther?

Key investors in Panther include S28 Capital, Innovation Endeavors, Coatue Management, Lightspeed Venture Partners.

Will Panther IPO soon?

No public IPO plans have been announced for Panther.

How can I track Panther secondary market activity?

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

Firmographic Details

HeadquartersSan Francisco, California
Employee Range294
Year Founded2018
Last FundingDec 2, 2021

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