List of Publicly Traded Cyber Security Companies
Comprehensive market cap rankings and financial analysis of the leading publicly traded cybersecurity companies protecting the 2026 digital landscape.
The List of Publicly Traded Cyber Security Companies represents one of the fastest-growing segments within the Technology Companies sector, driven by an escalating AI-powered threat landscape. As enterprises migrate to zero-trust architectures, pure-play providers and comprehensive platforms have seen massive valuation increases throughout early 2026. Investors often utilize tools like the Cybersecurity Comparison Widget (EPS/P/E) to distinguish between legacy network security firms and high-growth cloud-native endpoint protection leaders. With a projected industry TAM of $250 billion, these equities remain central to modern growth portfolios.
Key Takeaways
Palo Alto Networks ($115B) and CrowdStrike ($95B) currently dominate the sector as the primary platform-based Software Companies in cybersecurity.
The transition from traditional firewalls to zero-trust cloud security has fueled the rapid rise of specialized players like Zscaler and SentinelOne.
Generative AI threats have increased ransomware incidents by 30% since 2025, forcing companies to increase spending on AI-native detection platforms.
Modern cybersecurity firms utilize high-margin subscription models, providing more predictable cash flows compared to hardware-centric security appliance vendors.
Top List of Publicly Traded Cyber Security Companies by Market Cap (2026)
Below are the largest cybersecurity leaders ranked by market capitalization as of April 2026, featuring their YTD performance and core industry focus.
| Rank | Ticker | Company | Industry | Market Cap | YTD % | P/E Ratio | Div Yield |
|---|---|---|---|---|---|---|---|
| 1 | PANW | Palo Alto Networks | Security Platform | $115B | +12% | 55.4 | 0.00% |
| 2 | CRWD | CrowdStrike Holdings | Cloud Endpoint | $95B | +25% | 82.1 | 0.00% |
| 3 | FTNT | Fortinet | Network Security | $65B | +18% | 42.5 | 0.00% |
| 4 | ZS | Zscaler | Zero Trust Cloud | $45B | +35% | N/A | 0.00% |
| 5 | CHKP | Check Point Software | Network/Cloud | $22B | +8% | 19.2 | 0.00% |
| 6 | OKTA | Okta Inc. | Identity/Access | $18B | +14% | N/A | 0.00% |
| 7 | NET | Cloudflare | Edge Security | $32B | +20% | N/A | 0.00% |
| 8 | S | SentinelOne | AI Endpoint | $9B | +28% | N/A | 0.00% |
| 9 | VRNS | Varonis Systems | Data Security | $4.5B | +15% | N/A | 0.00% |
| 10 | TENB | Tenable Holdings | Vulnerability Mgmt | $4.0B | +10% | 38.6 | 0.00% |
List of Publicly Traded Cyber Security Companies — Complete Company List
Cybersecurity Resources
Cybersecurity Companies: Large-Cap Stocks
- Check Point Software Technologies Ltd. (CHKP) (Israel, Internet security products and services: network security, endpoint security, data security and management solutions)
- Palo Alto Networks, Inc. (PANW) (Security company: firewall appliances, centralized security management solution, virtual system upgrades, subscription services)
- Symantec Corporation (SYMC) (Operates a civilian cyber intelligence threat network; products and services designed to protect people and information in digital environments)
Cybersecurity Companies: Mid-Cap Stocks
- FireEye, Inc. (FEYE) (Cybersecurity solutions: virtual machine-based security platform)
- Fortinet Inc. (FTNT) (Network security appliances; physical and virtual appliance products)
- NetScout Systems, Inc. (NTCT) (Service assurance and cybersecurity solutions: integrated hardware and software)
- Zscaler, Inc. (ZS) (IPO March 16, 2018; cloud security platform)
Cybersecurity Companies: Small-Cap Stocks
- CyberArk Software Ltd. (CYBR) (Israel, IT security: solutions that protect organization from cyber-attacks; privileged account security solutions)
- ForeScout Technologies, Inc. (FSCT) (IPO October 27, 2017; Internet of Things security)
- Imperva, Inc. (IMPV) (Cyber-security products and services: cloud and on-premises products)
- Proofpoint, Inc. (PFPT) (Software-as-a-service provider, cloud-based solutions: incident response, secure communications, social media security, threat protection)
- Qualys, Inc. (QLYS) (Cloud security and compliance solutions: products to protect organization’s IT infrastructures and applications)
- Radware Ltd. (RDWR) (Israel: provides application delivery and security solutions for data centers; hardware and software)
- Rapid7 Inc. (RPD) (IPO in July 2015: Cybersecurity technologies; security data and analytics solutions)
- SailPoint Technologies Holdings, Inc. (SAIL) (IPO November 17, 2017; enterprise identity governance solutions)
- Secureworks Corp (SCWX) (IPO April 22, 2016: cybersecurity)
- The KEYW Holding Corporation (KEYW)
- VASCO Data Security International, Inc. (VDSI) (Authentication and digital signature products; security solutions designed to secure and manage access to digital assets and protect transactions)
Cybersecurity Companies: Micro-Cap Stocks
- Cyren Ltd. (CYRN) (Israel, Cloud-based security platform: web, mobile, email and anti-malware products)
- Finjan Holdings, Inc. (FNJN) (Portfolio of patents related to cybersecurity software and hardware; cybersecurity consulting)
- root9B Holdings, Inc. (RTNB) (Cybersecurity)
- Zix Corporation (ZIXI) (Software-as-a-Service, business data protection and compliance: email encryption, data loss prevention)
Risks & Considerations
High Valuation Multiples
Many cybersecurity leaders, particularly cloud-native firms, trade at extremely high price-to-sales and P/E multiples, making them sensitive to interest rate changes.
Platform Consolidation
As giants like PANW and CRWD expand, smaller niche providers may face pricing pressure or struggle to maintain market share against comprehensive platforms.
Technological Obsolescence
The rapid advancement of AI-driven attacks requires constant R&D; a company that fails to adapt its detection algorithms can quickly lose its competitive edge.
Implementation Fatigue
Enterprises often struggle with "tool bloat." Economic downturns may cause customers to consolidate security spending, favoring established vendors over newcomers.