David Tepper’s Appaloosa Management trimmed NVIDIA (NASDAQ:NVDA | NVDA Price Prediction) by roughly 13% of shares and cut AMD (NASDAQ:AMD) by roughly 32% of shares while nearly doubling its Amazon position, adding about 2.14 million shares (an increase of roughly 98%) during the quarter ended March 31, 2026. The disclosure landed in the 13F filed May 15, 2026, and the math of the rebalance is what matters: Amazon became Appaloosa’s single largest disclosed holding at roughly 15% of the portfolio. This is point-in-time data; it tells you how Tepper was positioned at quarter-end, not what he owns this morning.

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