CrowdStrike leads gains in 2025 as cybersecurity stocks diverge

CrowdStrike CRWD.O shares are up ~39% this year, as the cybersecurity firm reported growth in recurring subscription revenue and AI-driven Falcon platform expansion; stock hit all time high in November

Zscaler ZS.O shares rose ~26% in 2025, driven by demand for zero-trust cloud security services and a large amount of future revenue already locked in

F5 FFIV.O stock up ~3% this year, weighed by an October nation-state breach exposing BIG-IP Source Code — the core code behind its traffic-management products — triggering lawsuits, an SEC probe and a guidance cut; stock hit record high of $346 in October

Palo Alto Networks PANW.O shares up 2.7%, driven by integrating multiple services; stock reached record high in October

Fortinet FTNT.O shares down 15%, tempered by slower service growth and lingering concerns after earlier forecast resets and legal overhangs

SentinelOne S.N shares down ~31% this year, weighed down by intense competition

The Global X Cybersecurity ETF BUG.O fell ~13%, compared with S&P 500's .SPX ~17% gains this year