Some of the Biggest AI Winners of 2025 Are Data Storage Stocks

Core Insights - Western Digital has raised prices on hard disk drives due to "unprecedented demand" driven by the AI era and data-center growth [2][6] - Data storage stocks, including Western Digital and Seagate, have seen significant gains, with Seagate's stock doubling in value in 2025 and reaching an all-time high [3][4] - Analysts are bullish on data storage stocks, with a majority issuing "buy" ratings for companies like Seagate, Pure Storage, Western Digital, and Sandisk [6] Company Performance - Western Digital's stock has also doubled, performing well alongside Seagate, and both companies are outperforming AI software company Palantir year-to-date [4] - Seagate's stock increased nearly 8% to an all-time high, while Western Digital's shares added almost 5% to close at a record high [2][3] - Pure Storage has seen over a 40% gain since boosting its outlook in late August, with its stock also reaching a new high [5] Market Trends - Data storage stocks have had a strong September, with both Seagate and Western Digital adding more than 25% of their value this month alone [5] - Morgan Stanley has identified Western Digital as a "top pick," citing management meetings and relative valuation, while Wedbush has included it in its "best ideas" [6] - The demand for hard disk drives is outpacing limited supply, indicating a favorable trend for hard disk makers [6]