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Micron Technology's fiscal Q3 revenue leapt 346% year over year to $41.46 billion, shattering estimates and triggering a broad semiconductor rally as AI chip demand rewrites memory market dynamics.
- Micron Q3 FY2026 revenue of $41.46B beat the $35.25B consensus; non-GAAP EPS of $25.11 exceeded forecasts by nearly 24%.
- Q4 guidance of $49B–$51B came in roughly $7B above analyst expectations, the largest forward beat in company history.
- MU stock jumped 15.6% intraday to a high of $1,255, lifting TSMC and sparking a broad semiconductor sector rally.
Lead
Micron Technology (MU) shares climbed as much as 15.6% on June 25, 2026, reaching an intraday high of $1,255 after the Boise, Idaho-based chipmaker reported fiscal third-quarter results that overwhelmed analyst estimates and delivered fourth-quarter guidance roughly $7 billion above Wall Street forecasts. The quarter confirmed that AI chip demand has pushed memory markets into a structurally higher gear, one the company's leadership described as unlike any prior cycle in its history.What Happened
Micron posted Q3 FY2026 revenue of $41.46 billion, a 346% increase from $9.30 billion a year earlier and approximately $6.2 billion above the $35.25 billion consensus estimate. Non-GAAP earnings per share of $25.11 beat the $20.28 forecast by 23.8%. Gross margin reached 84.9%, an all-time high for the company.
Data center revenue exceeded $25 billion in the quarter, placing the segment on an annualized run rate above $100 billion. Micron's Cloud Memory Business Unit generated $13.77 billion at an 83% gross margin, up from $3.39 billion at 58% a year earlier—a margin expansion that reflects both pricing power and the premium commanded by AI-optimized memory products.The company disclosed 16 Strategic Customer Agreements locking in approximately $100 billion in minimum contracted revenue and $22 billion in upfront customer cash. The structure reduces exposure to the spot-market volatility that has historically defined memory chip stocks cycles.
Market Reaction
MU stock traded between an intraday low of $1,136.31 and a high of $1,255 on June 25. The Micron earnings rally rippled across the semiconductor sector: TSMC (TSM) gained approximately 3%, Nasdaq 100 futures rose 2.16%, and S&P 500 futures added 0.73%.
The MU stock news triggered a wave of analyst upgrades. Susquehanna raised its price target to $2,000 from $1,750; Barclays lifted its target to $2,000 from $1,175. Deutsche Bank, Bank of America, TD Cowen, RBC Capital Markets, and Wedbush each published higher targets, with the post-earnings range now spanning $1,200 to $2,000, framing Micron as a primary beneficiary of a multiyear AI memory supercycle.
AI and Technology Angle
Central to Micron's performance is surging AI chip demand for high-bandwidth memory (HBM)—a specialized DRAM architecture stacked directly alongside AI accelerators to meet the extreme data-throughput requirements of large language model training and inference. Micron has entered high-volume production of HBM4 for Nvidia's (NVDA) Vera Rubin GPU platform, the successor to Blackwell. HBM4 delivers a 2.3x improvement in memory bandwidth and a 20% gain in power efficiency over HBM3E.
Supply-chain estimates place SK Hynix at 60–70% of Vera Rubin HBM4 volume, Samsung (005930.KS) at 25–30%, and Micron supplying the remainder—a share expected to grow as its HBM4 yields mature. All three suppliers are fully allocated. Micron completed calendar-year 2026 HBM allocations during Q4 FY2025, covering both HBM3E and HBM4. Supply constraints are projected to extend well beyond 2026, supporting pricing across DRAM and NAND markets.
Strategic Context
Micron raised its fiscal 2026 capital expenditure outlook to approximately $27 billion and signaled further increases for fiscal 2027, with more than half of the incremental spending tied to manufacturing facility construction. As the only U.S.-headquartered HBM producer, Micron occupies a strategically critical position in the domestic AI supply chain, a status reinforced by production incentives under the CHIPS and Science Act.
The $100 billion in contracted revenue—spread across 16 major cloud and AI customers—marks a structural shift in how memory chip stocks manage demand visibility. Multi-year take-or-pay commitments reduce cyclical revenue swings and justify elevated capital outlays that smaller competitors cannot match.
Outlook
Micron guided Q4 FY2026 revenue of $49–$51 billion and non-GAAP EPS of $30.00–$32.00, both well ahead of prior Wall Street models. Management attributed the step-change in demand to accelerating deployment of agentic AI systems, which require substantially more memory per compute unit than prior-generation workloads. With HBM4 production ramping, contracted revenue secured, and supply structurally constrained, Micron enters fiscal 2027 with demand visibility and margin durability that differ materially from any prior Micron earnings cycle.
