Eight hundred percent. In one year. $MU didn't beat the market — it vaporized it. Micron crossed $1.24 trillion in market cap, rocketing from $104 to $1,103. YTD: +251%. One-year: +805.9%. This isn't a meme. This is memory — and AI can't function without it.

Every Nvidia GPU needs high-bandwidth memory. The HBM market sits at $62 billion, growing over 100% YoY. Supply is sold out through 2026. Micron, once the scrappy third player, just lapped Samsung and is gunning for SK Hynix's crown.

The HBM Gold Rush

High-bandwidth memory isn't commodity DRAM. It's vertically stacked silicon feeding AI accelerators at terabyte-per-second speeds. Three companies control global supply: SK Hynix at ~50-55%, Samsung at ~35%, and Micron at ~11-24% — and climbing.

Micron overtook Samsung in HBM market share in Q2 2025. That wasn't supposed to happen. Micron's HBM3E is 30% more power-efficient, and hyperscalers buy performance per watt — not watts. Micron won on specs. Then it won on execution.

Samsung spent a decade as the memory king. Micron spent it engineering a product Samsung couldn't copy fast enough. Now the king is chasing.

The Numbers Don't Lie

FQ2 2026: $23.86 billion revenue. $13.79 billion net income. $12.07 EPS. Gross margins exploded from 58.4% TTM to 74.4%. Q3 guidance: ~$33.5 billion at ~81% gross margin. This isn't a cycle — it's a structural P&L transformation.

$1.24TMarket Cap
$58.12BTTM Revenue
+196.3%Revenue Growth
74.4%Gross Margin
~81%Q3 Gross Margin
9.1xForward P/E
$33.5BQ3 Revenue Guide
+805.9%1-Year Return
$62BHBM Market 2026
41.5%Profit Margin

TTM revenue: $58.12 billion, up +196.3%. Operating margin: 67.6%. Profit margin: 41.5%. Forward P/E: 9.1x. Nine times earnings for a company growing nearly 200%. Capex is $25 billion-plus — and cash still piles up.

▶ Micron HBM — AI Memory
Micron's New HBM Chips Are Supercharging AI Memory — AI Insider

The Moat Nobody Saw Coming

SK Hynix leads at ~50-55% but that lead is shrinking. Samsung bleeds share for two reasons. One: Micron's 1β process HBM3E delivers superior power efficiency. Two: CHIPS Act funding and Arizona fabs make Micron the only major HBM supplier with significant American production. In an era of export controls, that's a geopolitical moat. Hyperscalers can't depend on Korean fabs alone. Micron is the Western alternative.

Not a Cycle. A Secular Shift.

Old Micron swung with DRAM prices. This Micron is different. HBM is not a commodity — it's custom-engineered with multi-year supply agreements. Margins exceed 80%. 2026 supply: sold out. Customers are booking 2027 capacity right now. The $62 billion HBM market doubles next year. GPT-5, Gemini 3, Grok 4 — every generation demands exponentially more memory bandwidth. This isn't a cycle. It's a secular demand curve that hasn't flattened.

The Verdict

$1.24 trillion market cap. +196.3% growth. 74.4% gross margins heading to 81%. Forward P/E: 9.1x. Product sold out for two years. Forty-plus analysts: Strong Buy. Trading at $1,103 — below the 52-week high of $1,213.56. This is the cheapest hyper-growth story in AI. Nvidia gets the headlines. $MU builds the memory that makes every accelerator work. At 9.1x forward, you're not betting on a cycle — you're betting on the picks and shovels nobody can build without.

Disclaimer: This is not financial advice. The Signal provides market analysis and commentary for informational purposes only. Past performance does not guarantee future results. Always conduct your own research before making investment decisions.

— The Signal