In a significant portfolio shift, Renaissance Technologies, the quantitative hedge fund founded by Jim Simons, virtually eliminated its position in SanDisk Corp. According to its latest 13F filing, the firm reduced its holdings by over 99%, from approximately 799,570 shares down to just under 4,980. This substantial reduction decreased the reported value of the stake from $508 million to about $11.32 million.
It is important to note that this filing, made public on August 13, 2026, reflects trading activity that occurred during the second quarter, which ended on June 30, 2026. The estimated value of the shares sold is a staggering $1.81 billion, a move that reduced SanDisk's weight in Renaissance's portfolio from 0.79% to a negligible 0.02%.