ARK Invest Adjusts Portfolio with $81 Million Nvidia Buy and $110 Million AMD Sale

On September 29, 2026, Cathie Wood’s ARK Invest significantly rebalanced its portfolio by purchasing $81 million in Nvidia (NVDA) stock and selling $110 million in AMD shares. The firm acquired 356,681 shares of Nvidia across four ETFs, following Nvidia's board expansion of its share-repurchase authorization to $235 billion through 2028. Conversely, ARK sold 181,767 shares of AMD. While Nvidia has seen a 22% gain in 2026, AMD has surged 184%, suggesting ARK may be taking profits on AMD while positioning for further growth in Nvidia.