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AI security

Compare the main companies in this industry, without a fixed list size.

About this page

What this page covers

AI100 includes the 100 largest companies that meet the industry eligibility criteria. Sector rankings cover all companies in that segment for a broader comparison.

How to filter

Combine search with country, industry and listing status. Results update immediately; remove individual selected filters to broaden the list. Original ranks are retained. Open a sector ranking for its full company list.

Country / region definition

Filters use the countries or regions recorded in company profiles, rather than the stock exchange location. Companies associated with multiple countries appear under each of them.

How ranking works

After eligibility review, public companies are ranked by equity market capitalization in USD and private companies by the latest disclosed completed funding or transaction valuation. The main list takes the top 100; industry lists have no fixed limit.

Data boundaries

Group market capitalization includes non-AI businesses. Private transaction terms and public market liquidity differ. Company size does not rank technical capability, AI revenue or investment attractiveness.

Showing 9 companiesOriginal ranks retained

Industry rankings
Snapshot as of 2026-09-30

Data dates and sources

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亚太2026-09-306/42欧洲2026-09-304/9美洲2026-09-309/108

Listed data comes from the shared service’s latest valid snapshot. FMP is preferred; restricted or missing fields use alternate sources. Failed updates retain the original values and dates. Private valuations retain their disclosure sources and transaction dates. The snapshot date does not mean every company has been refreshed.

RankCompanyIndustry roleShare priceMarket cap / valuationFinancials / fundingEvidence
01Palo Alto NetworksPANW / United StatesAI 核心AI security企业 AI 安全平台龙头统一云、网络与 CyberArk 身份安全，保护企业 AI 与 AgentUSD 382.85+12.83%2026-08-27 · Close$312B2026-08-27 · Market cap$10.6B Revenue294.5× P/E · 29.4× P/STTM financials · not liveFMP market capYahoo Finance
02CrowdStrikeCRWD / United StatesAI 核心AI security终端安全与威胁数据平台海量终端遥测驱动检测、响应和安全 AgentUSD 227.96+20.50%2026-08-27 · Close$232B2026-08-27 · Market cap$5.4B Revenue4559.2× P/E · 43.0× P/STTM financials · not liveFMP market capYahoo Finance
03FortinetFTNT / United StatesAI 核心AI security安全网络一体化设备龙头ASIC、防火墙和安全平台保护 AI 数据中心网络USD 172.78+9.67%2026-08-27 · Close$127B2026-08-27 · Market cap$7.5B Revenue55.6× P/E · 16.8× P/STTM financials · not liveFMP market capYahoo Finance
04ZscalerZS / United StatesAI 核心AI security零信任云安全平台在用户、应用和 AI 服务之间执行访问控制USD 187.30+9.98%2026-08-27 · Close$30.3B2026-08-27 · Market cap$3.2B Revenue— P/E · 9.5× P/STTM financials · not liveFMP market capYahoo Finance
05OktaOKTA / United StatesAI 核心AI security人类与 AI Agent 身份入口统一认证和权限管理，控制谁能调用企业 AIUSD 172.91+28.63%2026-08-27 · Close$28.7B2026-08-27 · Market cap$3.1B Revenue104.2× P/E · 9.3× P/STTM financials · not liveFMP market capYahoo Finance
06RubrikRBRK / United StatesAI 核心AI securityAI 时代的数据韧性平台保护训练和业务数据，并在攻击后快速恢复USD 107.02+11.33%2026-08-27 · Close$22.0B2026-08-27 · Market cap$1.5B Revenue— P/E · 14.3× P/STTM financials · not liveFMP market capYahoo Finance
07Check PointCHKP / IsraelAI 核心AI security网络与云安全老牌平台以威胁情报和防火墙保护企业 AI 基础设施USD 133.23+3.24%2026-08-27 · Close$13.6B2026-08-27 · Market cap$2.8B Revenue13.7× P/E · 4.9× P/STTM financials · not liveFMP market capYahoo Finance
08SentinelOneS / United StatesAI 核心AI securityAI 原生终端安全挑战者用自主检测和响应减少安全运营的人工作业USD 22.71+10.73%2026-08-27 · Close$7.6B2026-08-27 · Market cap$1.1B Revenue— P/E · 7.0× P/STTM financials · not liveFMP market capYahoo Finance
09ExeinPrivate / ItalyAI 核心AI securityPhysical AI 嵌入式安全平台在机器人、车辆、无人机和工业设备内核层运行防护，并以机器遥测训练自治安全模型。—No public share price$1.7B最新披露估值最新融资 · $270MFunding / transaction date · 2026-09-15Exein 官方公司披露 · View valuation evidence ↗
V3.1 · Eligibility reviewed 2026-10-12

How to read this ranking

Who qualifies

The list includes frontier models, AI-native products and essential infrastructure. Adding AI features to an ordinary product does not automatically qualify it.

How ranking works

After eligibility review, public companies are ranked by equity market capitalization in USD and private companies by the latest disclosed completed funding or transaction valuation. The main list takes the top 100; industry lists have no fixed limit.

Data boundaries

Group market capitalization includes non-AI businesses. Private transaction terms and public market liquidity differ. Company size does not rank technical capability, AI revenue or investment attractiveness.