Cisco Q3 CY2026 deep dive: AI-driven networking and security fuel broad-based growth
Networking technology giant Cisco (NASDAQ:CSCO) reported revenue ahead of Wall Street’s expectations in calendar Q3 2026 [fiscal Q1 2027], with sales up 24.4% year on year to $18.52 billion. Guidance for next quarter’s revenue was better than expected at $18.1 billion at the midpoint, 1.7% above analysts’ estimates. Its non-GAAP profit of $1.40 per share was 5.6% above analysts’ consensus estimates.
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Cisco Q3 CY2026 highlights:
- Revenue $18.52 billion vs S&P analyst consensus of $18.07 billion (24.4% year-on-year growth, 2.5% beat)
- Adjusted EPS $1.40 vs S&P analyst consensus of $1.33 (5.6% beat)
- Revenue guidance The company lifted its revenue guidance for the full year to $75.3 billion at the midpoint from $72.8 billion, a 3.4% increase
- Adjusted EPS guidance Management raised its full-year adjusted EPS guidance to $5.50 at the midpoint, a 8.3% increase
- Operating margin 30.2%, up from 22.6% in the same quarter last year
- Annual recurring revenue $32.7 billion vs analyst estimates of $33.87 billion (4.1% year-on-year growth, miss)
- Billings $18.76 billion at quarter end, up 33.3% year on year
- Market capitalization $401.6 billion
StockStory’s take
Cisco delivered results that exceeded Wall Street expectations for the quarter, with management attributing growth to strong demand across networking and security segments, particularly from hyperscale and enterprise customers investing in AI infrastructure. CEO Chuck Robbins highlighted that total product orders grew 21% year-over-year, and noted, “We are still early in the networking super cycle driven by AI deployments.” Management emphasized that broad-based momentum in both product and geographic markets contributed to Cisco’s operating margin expansion.
Looking ahead, Cisco’s guidance incorporates expectations for sustained AI infrastructure demand and continued expansion in both hyperscaler and enterprise markets. Robbins stated the company is "executing with focus and urgency to capture this incremental opportunity" and believes that the adoption of sovereign and hybrid data center architectures, combined with ongoing product innovation, will drive future results. The company also anticipates further gains from its security portfolio and sees the campus networking refresh cycle as just beginning.
Key insights from management’s remarks
Management identified AI infrastructure, broad-based networking demand, and security as key drivers of the quarter, while highlighting new product cycles and strategic partnerships as catalysts for future growth.
- AI infrastructure momentum: Cisco saw triple-digit growth in AI infrastructure orders, with hyperscaler customers now deploying its scale-across networking architecture in production. The company secured three new AI design wins in the quarter, and management raised its AI revenue target for the year, citing increased visibility and customer adoption.
- Product breadth and geographic diversity: Demand was strong across every networking product family and customer segment, with double-digit growth in all geographies. Enterprise, public sector, and service provider orders all contributed, and APJC (Asia-Pacific, Japan, and China) saw especially robust growth due to sovereign and public sector investments.
- Security and Splunk integration: Cisco’s security segment delivered 7% growth, supported by rising demand for firewalls and AI-driven security solutions. The acquisition of WideField Security and integration with Splunk are expected to strengthen Cisco’s capabilities in security operations and threat detection.
- Campus networking refresh cycle: The company reported that only 9% of switching sales this quarter came from its newest portfolio, indicating that the campus network upgrade opportunity is still in early stages, with significant runway remaining as enterprises modernize for AI and post-Mythos requirements.
- Operational efficiency and scale: Cisco improved operating leverage by increasing revenue with a lower headcount, resulting in higher revenue per employee and record operating margins. Management emphasized disciplined expense management and strategic supply agreements as contributors to margin resilience.
Drivers of future performance
Cisco’s outlook is driven by expectations for strong AI-related demand, ongoing enterprise network upgrades, and further expansion of its security offerings.
- Sustained AI infrastructure demand: Management expects AI-driven hyperscaler and enterprise investments to remain a multi-year growth engine, with AI infrastructure projected to represent a larger share of total revenue. New partnerships and design wins in both AI networking and optics are anticipated to support continued momentum.
- Campus and data center modernization: The campus networking refresh cycle is described as being in its early stages, with less than 10% of enterprise switching upgraded to new platforms. Management believes post-Mythos compliance and hybrid data center adoption will drive further product demand.
- Security platform expansion: Cisco plans to leverage its integration with Splunk and recent acquisitions to deliver enhanced security and observability solutions for AI environments. The company sees growth potential in quantum-safe technologies and increased demand for zero trust and AI defense products, though acknowledges ongoing competition and evolving customer requirements as risks.
Catalysts in upcoming quarters
Looking ahead, the StockStory team will be monitoring (1) the pace of AI infrastructure order growth and new design wins, (2) the rate of campus networking upgrades across global enterprise customers, and (3) the integration and scaling of Cisco’s security and observability platforms, including Splunk and recent acquisitions. Execution on sovereign infrastructure initiatives and ongoing margin discipline will also be key benchmarks.
Cisco currently trades at $101.57, in line with $102 just before the earnings. At this price, is it a buy or sell? The answer lies in our full research report (it’s free).
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