Billionaire Philippe Laffont Sells Nvidia Stock and Buys a Mega-Cap AI Stock Down 23% From Its High

Group 1: Philippe Laffont and Meta Platforms - Hedge fund manager Philippe Laffont has made Meta Platforms his largest holding, accounting for over 7% of his portfolio after purchasing 355,000 shares [2][10] - Meta Platforms is the second-largest adtech company globally, owning three of the four most popular social media networks, which provides significant consumer insights for targeted advertising [8][9] - Meta reported a 26% increase in revenue to $51 billion and a 20% increase in net income to $7.25 per diluted share in the third quarter, despite a stock decline due to increased AI spending plans [10][11] Group 2: Nvidia's Position and Challenges - Philippe Laffont trimmed his position in Nvidia by selling 1.6 million shares, although it remains his eighth-largest holding at 4.5% of his portfolio [2][7] - Nvidia holds over 90% market share in data center GPUs, with spending in this market expected to grow at 36% annually through 2033 [3][7] - Export restrictions have severely impacted Nvidia's access to the Chinese market, which previously accounted for 95% of its market share, now expected to approach zero [5][6]