Nvidia held stakes in Arm, SoundHound AI, Nano X Imaging, Recursion Pharmaceuticals, and Serve Robotics at the end of the second quarter, Nvidia's 13F filing this week showed. Most of the stocks in Nvidia's portfolio lost ground during the second quarter, though a majority have still gained since the start of the year. Arm, SoundHoundAI, and Serve have climbed at a faster pace than the S&P 500 so far this year, while Nano X Imaging lagged with a 13% gain, and Recursion Pharmaceuticals dropped nearly 32%.