Sandisk Stock Up 131% Year to Date in 2026—Is There More Room to Run?

After a breathtaking debut year, Sandisk continues to climb in 2026. The storage specialist has surged 131% year to date through early March, building on last year’s staggering 1,475% gain since spinning off from Western Digital in February 2025. With such dramatic moves already in the books, investors are wondering whether there’s still opportunity in this high-flying stock, or if valuations have become stretched.

A Spectacular 1,500% Ascent in Just 12 Months

Sandisk’s journey since going public has been nothing short of extraordinary. The company, though founded back in 1988 as a manufacturer of solid-state storage and flash memory products, transformed into a pure-play storage powerhouse upon independence. While it still produces consumer-grade storage solutions, its real growth engine lies in enterprise-grade NAND flash drives and solid-state drives serving data centers, mobile devices, gaming systems, and other demanding applications.

The company typically ranks among the top five competitors in its key markets, competing primarily against Micron and Samsung in data centers and smartphones, and facing off against Seagate in gaming storage. The separation from Western Digital gave Sandisk a crucial advantage: the ability to focus entirely on high-margin, high-demand segments rather than being part of a diversified conglomerate.

Data Center Demand and AI-Driven Supply Shortage Fuel Growth

The primary catalyst propelling Sandisk’s meteoric rise has been the explosive demand for data center storage solutions. As artificial intelligence infrastructure expands globally, data center buildouts have accelerated far beyond available supply. Sandisk’s data center revenue grew 64% in the most recent quarter alone—a reflection of this supply-demand imbalance.

The broader financial picture reinforces this narrative. In the latest quarter, total revenue jumped 31% sequentially and 61% year-over-year. But the real story lies in profitability: net income surged 617% from the prior quarter and 672% year-over-year. These aren’t incremental gains; they represent a company riding a supercycle driven by structural market forces.

Valuation Still Attractive Despite Year-to-Date Rally

Here’s where the investment thesis becomes intriguing for those considering entry now. Even after climbing 131% since January 1st, Sandisk trades at a forward price-to-earnings ratio of just 14—a valuation that appears reasonable given its earnings trajectory. Management’s guidance for the current quarter underscores the growth potential: revenue of $4.4 billion to $4.8 billion would represent 47% to 60% growth, while adjusted earnings per share of $12 to $14 would more than double from $6.20 last quarter. Gross margins are expected to expand to 64.9%-66.9% from 50.9%, demonstrating improving operational leverage.

Adding to the bullish case, industry analysts report that Sandisk may double its data center and enterprise drive prices in the first quarter of 2026, a reflection of the supply constraints that show no signs of easing. This pricing power suggests the supercycle could persist for years, not quarters.

The Investment Case Remains Compelling

The conventional wisdom might suggest that a stock already up 131% year to date has run its course. However, Sandisk’s situation appears different. Its singular focus on high-growth storage segments—compared to more diversified competitors—allows it to concentrate capital and resources on capturing this multiyear opportunity. The combination of structural AI demand, supply scarcity, pricing power, and reasonable valuation creates a compelling backdrop.

That said, investors should approach with the same diligence they’d apply to any volatile growth stock. While the momentum is undeniable and the fundamentals are strong, past performance rarely guarantees future results. For those who missed the explosive 2025 rally, the 2026 year-to-date performance shows the thesis remains intact—though entry timing always matters when dealing with stocks that have already moved this far, this fast.