Billionaire David Tepper Sold Micron and Sandisk, and Is Hedging Against 1 of Their Largest Customers - Yahoo Finance

Billionaire David Tepper's hedge fund, Appaloosa Management, significantly adjusted its portfolio in Q2 by reducing stakes in semiconductor leaders Micron and SanDisk, while simultaneously purchasing ... Read original →

Tepper's reduction in Micron and SanDisk stakes, coupled with the purchase of put options on a major customer, signals deep concern over cyclical risks in the memory chip sector. Technologically, this may accelerate downstream AI and data center clients to diversify suppliers, especially amid constraints on EUV lithography. From a compliance standpoint, tightening U.S. export controls on semiconductor technologies are increasing supply chain risks, making Tepper’s move a hedge against geopolitical volatility. In competitive terms, NVIDIA and others may capitalize on market shifts to gain market share, while other memory players reassess over-reliance on key clients. Over the next 12–24 months, the industry will likely enter a phase of structural adjustment, with heightened price volatility and a push toward vertical integration or technological breakthroughs among leading firms.