Data Center Supply-Chain Subsector Q1’26: Structural Tailwinds, Concentrated Risks and a Race to Lock In Capacity

Credit Research: Rucha Amdekar Relevant Items:SanDisk Earnings Analysis, Q3’26Seagate Technology Earnings Analysis, Q3’26Western Digital Earnings Analysis, Q3’26Super Micro Computers Earnings Analysis, Q3 FY’26 For access to these materials, please reach out to [email protected] This piece analyzes evolving supply-chain themes across AI infrastructure, covering high-yield and investment-grade peers in data storage, power electronics, networking, liquid cooling and rack-level systems. Key Takeaways The charts below illustrate EV/EBITDA and option-adjusted spread trends for high-yield companies and recent investment-grade upgrades. Quarters are aligned according to calendar-year quarters for seamless comparison. Market capitalization is as of quarter-end except for the first quarter of fiscal 2026, which was as of June 16. Capex Upcycle at Networking Infrastructure Companies Is Supported by Customer Advances AI tailwinds across networking companies such as Corning, Cisco, Coherent Corp., Ciena and Lumentum have resulted in multiyear capex cycles. These companies provided substantially bullish commentary in terms of estimates for increasing orders, backlog and total addressable market, or TAM. Also, hyperscalers are extending long-term supply agreements, once reserved for long-lead equipment such as power transformers, to standardized infrastructure, as AI-driven demand has rendered even standardized products scarce enough to warrant multiyear capacity lockups. These arrangements are best characterized as long-term supply agreements or[...]