HBM Drives Micron's Growth: Can MU Sustain the Momentum?

Micron Technology's entire 2025 High Bandwidth Memory (HBM) supply is sold out due to robust AI-driven demand, with HBM revenues jumping 50% sequentially in Q3. The company anticipates its HBM market share to align with its DRAM share by H2 2025, earlier than projected, and expects the HBM market to nearly double to $35 billion in 2025. Micron is investing in significant capacity expansion, including a new Singapore facility by 2027, positioning it strongly in the AI memory sector and forecasting substantial revenue and earnings growth for fiscal 2025 and 2026.

Analysis

Micron Technology is experiencing a significant tailwind from AI-driven demand for its High Bandwidth Memory (HBM), evidenced by its entire 2025 HBM supply being sold out. This has translated into a 50% sequential revenue increase from HBM in the third quarter and an accelerated timeline for achieving HBM market share parity with its DRAM share by the second half of 2025. The company is positioned to capitalize on a market projected to nearly double from approximately $18 billion in 2024 to $35 billion in 2025. This outlook is reinforced by strong forward estimates, with consensus forecasts pointing to 47% revenue growth and a 518.5% earnings increase for fiscal 2025, alongside recent upward estimate revisions. While the company is investing heavily in future capacity, including a new facility in Singapore by 2027 to address tight supply, its current stock performance (+39.8% YTD) has outpaced its industry. Despite this run-up, the company trades at a forward price-to-sales ratio of 2.68, which is below the industry average of 3.65, suggesting a potentially favorable valuation relative to its growth prospects.

Key Decisions for Investors

• Given that Micron's 2025 HBM supply is fully allocated and consensus estimates project a 518.5% earnings increase in fiscal 2025, investors should assess the stock's strong growth profile, which appears reasonably valued with a forward P/S ratio below the industry average.
• Long-term investors should monitor the company's execution on its capacity expansion plans, such as the Singapore facility targeted for 2027, as the ability to bring new supply online will be critical to meeting sustained demand and defending market share.
• It is prudent to track the AI accelerator roadmaps of major ecosystem partners like Intel and Broadcom, as any shifts in their memory sourcing strategies could materially impact future demand dynamics for Micron's HBM products.