Seagate Technology ((STX)) has held its Q3 earnings call. Read on for the main highlights of the call.
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Trade STX with leverageSeagate Technology’s latest earnings call struck an upbeat tone, underscoring a powerful combination of surging revenue, record margins, and exceptional cash generation. Management acknowledged pockets of risk around customer concentration, supply constraints, and ongoing HAMR qualifications, but framed them as manageable against a backdrop of strong cloud demand and a visible, technology-driven growth runway.
Explosive Revenue Rebound Fuels Growth Narrative
Seagate reported March-quarter revenue of $3.1 billion, up 44% year over year and 10% sequentially, signaling a robust rebound in storage demand. Management guided to $3.45 billion plus or minus $100 million for the June quarter, implying roughly 41% growth at the midpoint and reinforcing confidence in sustained top-line momentum.
Record Margins Power Earnings Surge
Profitability reached new highs, with non-GAAP gross margin at 47% and operating margin at 37.5%, up 180 and 560 basis points sequentially, respectively. Non-GAAP EPS jumped 115% year over year to $4.10 and 32% quarter over quarter, with June-quarter guidance pointing to operating margins in the low-40% range and EPS around $5.00.
Free Cash Flow Hits Multi-Year Highs
Free cash flow surged to $953 million in the quarter, up 57% sequentially and representing a hefty 31% margin, one of the highest levels in over a decade. Management highlighted this cash engine as a key lever for further debt reduction, shareholder returns, and funding next-generation storage technologies.
Cloud-Led Data Center Demand Drives Exabyte Growth
Seagate shipped 199 exabytes of capacity, up 39% year over year, with data center customers accounting for 88% of exabyte shipments and 80% of revenue. Data center revenue climbed to $2.5 billion, up 55% year over year and 12% sequentially, underscoring hyperscale and cloud workloads as the core growth driver.
Mozaic HAMR Roadmap Extends Technology Lead
The company began revenue shipments of its second-generation HAMR platform, Mozaic 4, in late March, offering up to 44 TB per drive and roughly 30% more capacity than the prior generation. Management expects Mozaic 4 to represent a majority of HAMR exabytes exiting 2026, while Mozaic 5 targeting 50 TB is slated for qualification shipments in late 2027.
Balance Sheet Strengthened and Capital Returned
Seagate retired $641 million of gross debt during the quarter, bringing year-to-date reduction to about $1.1 billion and leaving gross debt near $3.9 billion with net leverage at 0.7 times. The stronger balance sheet helped secure an investment-grade rating, even as the company returned roughly $191 million to shareholders through dividends and buybacks.
Long-Term Visibility Via Build-to-Order Commitments
Management emphasized that nearline capacity is almost fully allocated through calendar 2027, reflecting deep build-to-order partnerships with major cloud providers. Contracts are being finalized through the end of fiscal 2027, while remaining performance obligations from the top three global cloud service providers nearly doubled, signaling durable demand.
Cost Discipline Supports Operating Leverage
Capital expenditures were tightly managed at $151 million, about 4% of revenue year to date, with expectations that fiscal 2026 capex will stay in the 4% to 6% range. Operating expenses were held to $296 million, or 9.5% of revenue, and are expected to remain roughly flat in dollar terms, reinforcing Seagate’s commitment to cost control as revenue scales.
Cloud Reliance Elevates Customer Concentration Risk
While cloud and hyperscale demand is driving growth, it also heightens exposure to a narrow set of large customers, as data center buyers accounted for 80% of revenue and 88% of exabyte shipments. Management acknowledged this concentration risk, making performance highly sensitive to spending cycles and procurement decisions among top cloud players.
HAMR Qualifications and Capacity Tightness Constrain Flexibility
Two leading global cloud customers are still qualifying HAMR products, with completion targeted in the current quarter, which temporarily delays broader revenue contribution from these accounts. Additionally, near-full wafer-fab utilization limits Seagate’s ability to redirect supply into lower-capacity markets, prioritizing cloud demand but curbing short-term diversification.
Debt and Convertible Overhang Not Fully Cleared
Despite meaningful deleveraging, Seagate still carries around $3.9 billion in gross debt and roughly $400 million of convertible notes. Management signaled plans to continue addressing this remaining convertible exposure over coming quarters, balancing liability management with ongoing investment and shareholder returns.
Limited Unit Growth Shifts Focus to Density
Executives noted that total unit shipments are not increasing, with growth driven instead by higher aerial density and capacity per drive. This density-led strategy enhances revenue per unit but may constrain diversification across end markets, making Seagate more reliant on successful high-capacity product transitions.
Client and Consumer Markets Face Headwinds
Outside the data center, client and consumer demand remained soft, weighed down by high supply levels and elevated NAND costs. These headwinds offset typical March-quarter seasonality and limited growth in PC and consumer storage, emphasizing how dependent overall performance has become on cloud spending.
Geopolitics and Macro Uncertainties Lurk in the Background
Management referenced rising geopolitical tensions and broader macro uncertainty as factors that could introduce volatility. They also noted that certain non-GAAP outlook reconciliations are difficult to provide because potential impacts from these external forces remain unpredictable, warranting ongoing monitoring by investors.
Guidance Signals Confidence in Profitability and Deleveraging
For the June quarter, Seagate guided to revenue of $3.45 billion plus or minus $100 million, with non-GAAP operating margins in the low-40% range and EPS of $5.00 plus or minus $0.20, assuming a roughly 16% tax rate. Management expects free cash flow to improve further through 2026, capex to remain at 4%–6% of revenue, and net leverage to continue declining as profitability and debt reduction progress.
Seagate’s earnings call painted a picture of a company capitalizing on powerful cloud storage trends while executing against a clear HAMR-driven roadmap. Risks around concentration, supply limits, and macro uncertainty remain, but record margins, accelerating cash generation, and long-term customer commitments give investors a compelling growth and capital-return story to watch.