Celestica (CLS) Q2 2026: CCS Revenue Soars 84% as AI Infrastructure Demand Drives Record Margins
Celestica’s Q2 showcased surging demand for AI-driven networking and compute, pushing CCS revenue up 84% and margins to new highs. Strategic wins with hyperscalers and custom AI rack deployments, including OpenAI, are fueling multi-year growth visibility, while disciplined capital allocation supports capacity expansion. Management’s raised guidance and robust 2027 outlook signal an inflection point in scale and profitability, with supply chain discipline emerging as the key risk to outperformance.
Summary
- AI Infrastructure Wave: Record CCS growth and new program ramps underpin accelerating multi-year demand.
- Margin Expansion: Operating leverage and high-value design content drive historic profitability across segments.
- 2027 Acceleration: Visibility into hyperscaler and custom rack wins sets up further revenue and EPS outperformance.
Business Overview
Celestica is a global electronics manufacturing services (EMS, outsourced design and production for tech hardware) provider with two main segments: CCS (Connectivity & Cloud Solutions), which serves networking, communications, and enterprise compute customers, and ATS (Advanced Technology Solutions), which focuses on capital equipment and industrial end markets. The company generates revenue by designing, engineering, and manufacturing complex products and systems, with a growing emphasis on high-value, AI-enabled infrastructure for hyperscale data centers and next-generation networking.
Performance Analysis
Q2 marked a pivotal quarter for Celestica, with consolidated revenue reaching $4.7 billion, driven by a dramatic 84% jump in CCS segment sales, which now account for 81% of total revenue. Enterprise end market revenue surged 167% on the back of accelerated AI/ML compute program ramps with hyperscaler customers, while communications rose 62% fueled by 800G networking switch demand. The HPS (Hardware Platform Solutions, high-value design and manufacturing for cloud infrastructure) business contributed 41% of total revenue, up 58% year-over-year.
ATS delivered 8% revenue growth and margin expansion, now representing 19% of total sales. Operating margin hit a record 8.2%, up 80 basis points, with adjusted EPS increasing 83%. Gross margin dipped slightly due to mix, but operating leverage and higher engineering content in both segments supported overall profitability. Working capital discipline was evident as cash cycle days improved by 19 days year-over-year, and free cash flow reached $147 million despite elevated CapEx to support future program ramps.
- CCS Scale Drives Profitability: Higher volumes and richer HPS content lifted CCS margins by 40 basis points, outpacing corporate average.
- Enterprise AI Ramp: Hyperscaler AI/ML compute and storage demand created triple-digit growth, with OpenAI and AMD Helios programs in focus for 2027.
- ATS Margin Recovery: Segment margin reached a record 6.3%, benefiting from capital equipment tailwinds and improved mix.
Celestica’s financials reflect a business in the midst of a structural inflection, with operating leverage and design wins translating to both top-line and bottom-line outperformance. The company is deploying capital aggressively to meet demand, but remains disciplined in liquidity and leverage management.
Executive Commentary
"In the second quarter, we delivered revenue of $4.7 billion and adjusted EPS of $2.54, both exceeding the high end of our guidance ranges. This performance was backed by an adjusted operating margin of 8.2%, a new high for the company. These results reflect strong operational execution across both segments, alongside record demand from our CCS customers."
Rob Mionis, Chair of the Board and Chief Executive Officer
"Revenue in our CCS segment was $3.81 billion, up 84% compared to the prior year period, driven by very strong growth in both our communications and enterprise end markets... Our adjusted ROIC of approximately 55%, higher by 20 percentage points compared to the prior year, reflects strong earnings growth and disciplined working capital management."
Mandeep Chawla, Chief Financial Officer
Strategic Positioning
1. Hyperscaler and AI Compute Program Dominance
Celestica’s alignment with leading hyperscalers and AI players is central to its growth trajectory. The company is ramping new programs with OpenAI (custom accelerator racks) and AMD (Helios scale-up platform), each representing multi-billion dollar opportunities in 2027 and beyond. Deep design and manufacturing integration positions Celestica as a strategic partner, not a commodity supplier.
2. Multi-Year Capacity and Supply Chain Planning
Management highlighted multi-year global capacity alignment and disciplined CapEx (guiding to $1 billion in 2026, $1.5 billion placeholder for 2027) to support awarded and pipeline programs. Supply chain visibility is enhanced by non-cancelable, long-lead component orders and customer-backed capacity investments, reducing risk of demand volatility but heightening dependence on material availability.
3. Margin Leverage Through High-Value Content
CCS margin expansion is driven by a shift to higher HPS and design-rich content, with Celestica’s engineering organization (approaching 2,000 engineers) delivering both design and manufacturing at scale. Operating leverage is amplified by high utilization and disciplined OpEx, while ATS margin recovery is supported by capital equipment demand and improved portfolio mix.
4. Geographic Diversification and Regional Expansion
Celestica is investing in capacity across Thailand, Japan, and the U.S. (Richardson and Fort Worth, Texas), responding to customer requests for regional manufacturing diversification amid geopolitical uncertainty. Balanced expansion across Asia and North America is seen as critical to supporting global hyperscaler growth and reducing supply chain risk.
5. Market Share Gains and Customer Stickiness
Celestica is capturing incremental share as customers prioritize supply continuity and reliable execution at scale, often taking back share from competitors due to proven ramp and operational capabilities. The company’s dual strength in design and manufacturing is cited as a key differentiator as program size and complexity increase.
Key Considerations
This quarter marks a structural acceleration for Celestica, but also raises the stakes in execution and supply chain management. Investors should weigh the following:
Key Considerations:
- AI Infrastructure Demand Sustainability: The durability of hyperscaler and AI compute demand underpins Celestica’s multi-year outlook, but any moderation could impact growth rates and capital efficiency.
- Supply Chain Discipline: Long-lead component orders and customer-backed capacity provide visibility but introduce risk if demand signals shift or supply constraints worsen.
- Margin Mix Evolution: Continued transition toward HPS and high-value engineering content is critical for sustaining margin expansion, especially as new programs ramp.
- Regional Manufacturing Balance: Ongoing investment in U.S. and Asian facilities is necessary for customer proximity and risk mitigation, but could pressure returns if demand fluctuates.
Risks
Material supply continuity remains the central risk, with extended lead times and reliance on non-cancelable orders increasing exposure to both upside and downside demand shifts. Geopolitical uncertainty and customer-driven regionalization could complicate capacity deployment and cost structure. Competitive intensity in large program awards is rising, though Celestica’s design-manufacturing integration and operational reliability currently provide a moat. Margin expansion depends on maintaining high utilization and rich content mix as volumes scale.
Forward Outlook
For Q3 2026, Celestica guided to:
- Revenue of $5.25–$5.55 billion (69% YoY growth at midpoint)
- Adjusted EPS of $2.88–$3.08 (89% YoY growth at midpoint)
- Operating margin of 8.4% (up 80 basis points YoY)
For full-year 2026, management raised guidance:
- Revenue to $20.5 billion (up from $19 billion)
- Adjusted EPS to $11.30 (up from $10.15)
- Free cash flow to $600 million (up from $500 million)
Management expects 2027 revenue growth to accelerate beyond 2026’s 65% pace, citing multi-year program ramps and strong demand visibility, particularly in AI/ML compute, networking, and custom rack deployments. Adjusted EPS is expected to outpace revenue growth as operating leverage intensifies.
- Continued hyperscaler and AI program ramps
- Ongoing margin expansion as mix and scale improve
Takeaways
Celestica’s Q2 performance and raised outlook signal a business in the midst of a structural inflection, as AI infrastructure demand transforms both scale and profitability.
- CCS and AI Compute Ramp: Hyperscaler wins and new custom rack deployments are driving record revenue and margin expansion, with visibility into 2027 and beyond.
- Margin and Capital Discipline: High-value engineering content and operating leverage are supporting historic margins, while disciplined CapEx and liquidity management underpin growth.
- Supply Chain Execution Remains Pivotal: The ability to secure components and manage long-lead orders will determine whether Celestica can fully capitalize on unprecedented demand signals.
Conclusion
Celestica’s Q2 results confirm its emergence as a key enabler of the global AI infrastructure buildout, with hyperscaler partnerships and custom rack programs driving both growth and margin gains. The company’s multi-year visibility and disciplined execution position it for continued outperformance, though supply chain execution and demand durability remain critical watchpoints for investors.
Industry Read-Through
Celestica’s surging CCS growth and margin expansion provide a clear signal of the intensity and durability of the AI data center build cycle, with hyperscalers accelerating investment in next-generation networking and compute infrastructure. EMS peers with deep design and manufacturing integration are best positioned to capture share, while those lacking scale or engineering depth may struggle as program complexity rises. Supply chain discipline and regional manufacturing flexibility are becoming competitive differentiators, with customers increasingly valuing execution reliability over price alone. Investors should expect continued capital intensity and margin bifurcation across the EMS and hardware supply chain landscape as the AI megacycle unfolds.