Operations
As of August 13, 2026
Q4 Revenue
↑ 18% YoY
$17.3B
Divisions
Networking
56.7%
Security
12.9%
Collaboration
6.8%
Observability
1.6%
Services
22.0%
Key Earnings Driver
AI Infrastructure Networking revenue increased 28% year over year to $9.8B. Within Networking, AI infrastructure revenue reached approximately $4B for FY2026, up approximately 300% from $1B, and AI infrastructure orders reached $9.3B. Security revenue increased 14% to $2.23B, Collaboration revenue increased 12% to $1.17B, Observability revenue increased 6% to $275M, while Services revenue was flat at $3.79B.
Key Operating Metrics¹
METRIC
STATUS
Networking↑ 28%
AI Infrastructure
🟢 Scaling
Security↑ 14%
Services
🟡 Watch
Key Operating Metrics¹: Core operating metrics relevant to revenue, sourced from website and/or SEC filings for Q, with status based on reported data.
