Seagate Earnings Call Signals Powerful Storage Upswing
Seagate Technology ((STX)) has held its Q4 earnings call. Read on for the main highlights of the call.
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Seagate Technology’s latest earnings call painted a decidedly optimistic picture, with management leaning into a narrative of strong growth, expanding margins and robust cash generation. Executives acknowledged execution risks around new technologies and customer concentration, but emphasized that current momentum in revenue, profitability and product ramps leaves the company well‑positioned for the next stage of the storage cycle.
Strong Top-Line Performance and Upbeat Guidance
Seagate reported June-quarter revenue of $3.6 billion, up 17% sequentially and 48% year over year, capping a fiscal 2026 in which sales climbed 34%. Management guided September-quarter revenue to roughly $4.1 billion, plus or minus $100 million, implying about 56% year-over-year growth and signaling confidence in continued sequential gains through fiscal 2027.
Material Margin and Profitability Expansion
Profitability surged as non-GAAP gross margin reached 52.7%, expanding 570 basis points quarter over quarter, while non-GAAP operating margin jumped to 44.6%, up 710 basis points. Non-GAAP EPS rose to $5.71, up 39% sequentially and 121% year over year, and management underscored that the roughly 10-point gross margin expansion achieved in fiscal 2026 should continue to build as scale and mix improve.
Record Cash Generation
Cash performance was another highlight, with June-quarter free cash flow topping $1.1 billion, a margin of roughly 31%, and fiscal 2026 free cash flow reaching a record $3.1 billion. Management noted free cash flow rose 17% sequentially and reiterated that capital spending should remain disciplined, with fiscal 2027 CapEx expected in the 4%–6% of revenue range after running at 4.7% in fiscal 2026.
Robust Exabyte Demand and Data Center Leadership
The company shipped 218 exabytes in the June quarter, up 34% from a year ago, underscoring strong demand for high-capacity storage. Data center shipments reached 195 exabytes, up 11% sequentially and 43% year over year, accounting for roughly 89% of exabyte volume and driving $2.9 billion in revenue as cloud and AI workloads fueled multi-quarter growth.
HAMR/Mozaic Technology Ramp Progress
Seagate’s technology roadmap is increasingly centered on HAMR and its Mozaic platform, with HAMR-based products representing about 40% of nearline exabyte shipment run rate exiting the year. Mozaic 3 is now qualified and in production at major cloud customers, Mozaic 4 is ramping with the two largest global cloud service providers, and Mozaic 5 remains on track for qualification shipments in late 2027 as the company scales internal laser production.
Strengthened Balance Sheet and Capital Allocation
The balance sheet is steadily improving, with gross debt around $3.6 billion, down roughly $1.4 billion year over year, and net leverage near 0.4 times. Seagate reported $1.7 billion in cash and total liquidity of about $3.0 billion, highlighted recent retirement of around $1.0 billion in high-yield notes, and outlined plans to retire another $1.2 billion of debt while returning $283 million to shareholders through dividends and buybacks in the quarter.
Diversifying and Durable Demand Drivers
Management emphasized a broadening set of structural demand drivers, anchored by AI’s progression from training to inference and emerging agentic applications that intensify storage requirements. They also cited benefits from KV cache and tiered storage architectures, ongoing cloud infrastructure builds, rising enterprise and so-called “neocloud” adoption, and long-term customer commitments that extend planning visibility into the 2028–2029 timeframe.
Factory Complexity and Transitional Inefficiencies
The company acknowledged that its product transitions, such as moving from 3 to 4 to 5 terabytes per disk, add complexity and can temporarily weigh on operations. These migrations require factory pauses, longer cycle times and yield tuning, which can create short-term inefficiencies and production constraints even as they pave the way for higher-capacity and more profitable drives.
Upstream Component and Manufacturing Risk as HAMR Scales
Scaling HAMR technology places added demands on Seagate’s internal heads and media fabrication facilities and necessitates ongoing investment in specialized tools. Management flagged upstream component availability, qualification processes and supply-chain coordination as key execution risks that must be carefully managed to keep the HAMR ramp on track and to support volume growth without compromising reliability.
Concentration of Demand in Data Center and Cloud Customers
While data center strength has been a clear tailwind, Seagate conceded that the sector’s dominance in its mix introduces concentration risk, with data center volumes comprising nearly 89%–90% of exabyte shipments. A meaningful portion of revenue is effectively tied to hyperscale and cloud customers, leaving results sensitive to shifts in their spending patterns or storage procurement strategies.
Quarter-to-Quarter Pricing Variability and Contract Dynamics
Recent results have benefited from favorable pricing, but management cautioned that average selling prices can fluctuate by quarter, driven by contract roll-offs, renegotiations and the timing of new product qualifications. They also noted that some non-GAAP outlook figures are not fully reconciled because of the difficulty of predicting certain material items, reinforcing the potential for earnings volatility even in a strong demand backdrop.
Dependence on Successful HAMR Qualification Timelines
Seagate’s long-term targets for HAMR adoption, including previously discussed goals such as a high HAMR mix by mid-2027 and the plan for Mozaic 4 to represent half of HAMR exabytes by the end of 2026, hinge on smooth qualification and yield progress. Any delays in customer qualification or slower-than-expected yield improvements could limit exabyte delivery, temper margin expansion and push out parts of the roadmap.
Supply-Driven Revenue in Some Segments
Not all revenue growth appears purely demand-driven, as the company acknowledged that its edge and IoT business, which accounted for 19% of revenue or about $697 million, has benefited from tight supply conditions and rising NAND pricing. This dynamic suggests that some of the recent growth may reflect constrained industry supply rather than a broad-based expansion in underlying end demand, adding a layer of uncertainty to sustainability.
Forward-Looking Guidance and Outlook
Looking ahead, Seagate guided September-quarter revenue to around $4.1 billion with non-GAAP EPS of approximately $7.30 and non-GAAP operating expenses near $300 million, implying an operating margin approaching 50% at the midpoint. Management expects continued sequential increases in revenue, margins and free cash flow through fiscal 2027, supported by disciplined CapEx, mid-20% nearline exabyte growth, expanding HAMR adoption and ongoing debt reduction paired with share repurchases.
Seagate’s earnings call underscored a company in the midst of a powerful upcycle, combining strong top-line growth, rising profitability and hefty cash generation with a technology roadmap that is gaining traction. While execution and concentration risks remain, particularly around HAMR scaling and hyperscale exposure, the tone and numbers suggest that investors are likely to focus on the momentum in revenue, margins and balance-sheet strength as the next fiscal year unfolds.
