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AI-driven demand for memory and storage has continued to lift the sector during the current earnings season, with investors pointing to tight supply conditions for DRAM and NAND. The strength has also been reflected in institutional buying, as several memory and storage companies post results and guidance that exceed expectations.
Earnings calls have highlighted that memory supply remains tight, particularly for DRAM and NAND—key inputs for AI systems. That scarcity has supported demand for memory and related storage products, benefiting companies tied to the supply chain.
Micron, a company with a market value cited at nearly $800 billion, has surged sharply over the past year. The article states the stock is up 706% over the last 12 months.
For FY 2026, the per-share earnings estimate is $57.10, and for the following year the estimate is $95.65. The piece also cites institutional activity, noting shares were bought heavily in June 2025 at about $106 per share, with buying continuing even after the stock moved above $600.
SanDisk, described as a flash storage spinoff that began trading last year, is positioned as a supplier of products used in AI infrastructure. The article says the company is up 493% year-to-date and 3,391% over the last year.
In its latest earnings update, the article highlights Q4 guidance: revenue is expected to reach $8 billion at the midpoint, compared with $6.62 billion from analysts. EPS is expected to be $31.50 at the midpoint versus $23.38 expected by Wall Street.
The article also points to strong institutional participation, stating that “Big Money” began buying around $50 per share and that the price has since moved to over $1,400.
Western Digital, which the article notes spun off SanDisk, focuses on hard disk drives. It cites a market capitalization of $195 billion.
Shares are reported to be up 180% so far this year and up 990% over the last year. The article says the company beat Q3 earnings estimates, and for Q4 EPS is expected to be $3.25 at the midpoint compared with analysts’ expectations of $2.75.
For net income, the article states expectations for 2028 range up to $9 billion, with this year’s net income set to reach $3.7 billion. It also cites institutional buying beginning around $54 per share, with the latest price reaching $483.
The article attributes much of the sector’s momentum to institutional demand for AI memory stocks, arguing that the rally has been supported by earnings performance and guidance that have exceeded expectations.
To track where capital is moving, the article references MoneyFlows data as a tool for identifying institutional activity. It also includes a disclosure stating the author holds no positions in Micron (MU), SanDisk (SNDK), or Western Digital (WDC) at the time of publication.
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