Leading investors, including Warren Buffet, Michael Burry, and others, filed portfolio updates this week to reveal which stocks they bought and sold in the second quarter. Stanley and Ray cut their exposure to America's largest technology companies. Jim Simons halved his bet on Musk's car company, whereas George Soros bought a stake in it. Bill Miller trimmed his wager on Bed Bath & Beyond, as well as other things. Bill Miller's fund increased its stake in Bed Bath & Beyond in the first half of the year. Miller Value Partners decreased its position from 171,000 shares to 136,000. At Wednesday's high of $30 a share, the holding was worth as much as $4 million, but it is now worth less than that. Bed Bath & Beyond's first-quarter earnings in May showed a sharp decline in year-on-year sales, bigger losses, and a Shrinking cash pile, which may have prompted Miller's fund to cut its position. Continue to read. Here are 7 elite investors' most striking trades last quarter: