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Micron (MU) reported Q2 2026 revenue of $23.86B, up 196% year-over-year, with non-GAAP gross margins of 74.9%, while holding an estimated 21% to 24% share of the HBM market and its entire 2026 HBM4 supply is already sold out.

AI data centers’ insatiable demand for high-bandwidth memory and DRAM outpaces supply, with the HBM market projected to grow from $35B in 2025 to $100B by 2028, giving Micron structural pricing power as the only major U.S.-based supplier of advanced memory chips.

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The artificial intelligence revolution runs on data, and data runs on memory. Companies building massive AI systems need faster, higher-capacity chips to train models and serve results in real time. Their insatiable appetite for high-bandwidth memory (HBM) and DRAM has outpaced supply.

Micron Technology (NYSE:MU) stands at the center of this shift. As the only major U.S.-based supplier of advanced DRAM and HBM, Micron benefits from geopolitical tailwinds, supply-chain security concerns, and the push by hyperscalers to diversify away from Asian-centric production.

Its entire 2026 supply of HBM4 is already sold out, and the company can only fulfill 50% to 66% of key customers’ medium-term bit demand due to limited clean room space. That structural scarcity translates directly into pricing power and margin durability.

READ: The analyst who called NVIDIA in 2010 just named his top 10 AI stocks

Micron's stock is up 561% over the past 12 months, yet it is still one of the cheapest AI stocks you can buy. But the real story for buy-and-hold investors stretches back 42 years to the company’s public debut.

Micron Technology went public on June 1, 1984, at an offer price of $13 per share. The chipmaker had already spent six years designing and manufacturing memory chips. It produced its first DRAM chip in 1981.

For decades Micron competed in a cyclical industry dominated by South Korean giants Samsung and SK Hynix. Demand rose and fell with personal computers, smartphones, and servers. The company survived recessions, price wars, and the dot-com bust by focusing on leading-edge process technology. Today those same memory chips power the AI infrastructure that changed everything. HBM has become the new bottleneck, and Micron’s products sit inside the servers that run the largest AI models.

Investors who bought $1,000 worth of Micron at the IPO received roughly 76.92 shares. Three splits followed. Here is exactly how your position grew if you simply held:

Split Date

Split Ratio

Shares You Would Own After the Split

June 1, 1984 (IPO)

N/A

76.92

April 19, 1994

5-for-2

192.31

May 23, 1995

2-for-1

384.62

May 2, 2000

2-for-1

769.23

No additional splits have occurred since 2000, so you still own those 769.23 shares today.

Demand for Micron’s memory has exploded. Data centers now require specialized high-bandwidth DRAM that delivers far more speed and capacity than previous generations. Supply remains tight because building new fabrication capacity takes years and billions of dollars.

Micron has expanded production and captured market share in the HBM space that powers AI training. In fiscal Q2 2026, the company reported revenue of $23.86 billion, up 196% year-over-year, with non-GAAP gross margins reaching 74.9%. With HBM supply sold out under binding contracts, the overall HBM market is projected to grow from $35 billion in 2025 to around $100 billion by 2028 at a 40% CAGR.

Micron now holds an estimated 21% to 24% share of the HBM market, trailing SK Hynix but ahead of Samsung in recent quarters. The result appears in the numbers: revenue grew sharply while the stock delivered that 561% return.

Granted, the semiconductor business stays cyclical. Prices can swing with global supply and economic conditions. Yet the structural shift toward AI gives Micron a clearer growth runway than it enjoyed in the PC or smartphone eras.

All told, your $1,000 investment from the IPO would be worth approximately $414,500 today, including dividends reinvested along the way. It's enough to make you want to cry.

Micron's experience shows long-term buy-and-hold investing still works when you own a company with durable technology and patient capital. The chipmaker delivered triple-digit returns for investors who rode out every downturn and never sold. The AI-driven memory shortage simply accelerated a trend decades in the making.

Smart investors focus on the business fundamentals, ignore short-term noise, and let compounding do the heavy lifting. Even better, Micron Technology is not done running. Red hot demand and ice cold supply point to a significant runway for this stock to keep adding to its gains -- and generating superior returns for investors with the foresight to buy today.

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