Jim Simons' Portfolio Update: Renaissance Technologies LLC Holdings Shift in 2025

Jim Simons, through his investment firm Renaissance Technologies LLC, saw his portfolio valued at $62.9 billion as of December 31, 2025.

His position in Micron Technology (MU) saw a substantial increase, with shares rising by 151% compared to the previous period. Similarly, Netflix (NFLX) experienced a massive 2544% surge in holdings. Tesla (TSLA) also showed significant growth with a 220.88% increase in shares.

In contrast, holdings in United Therapeutics (UTHR) decreased by 12.15%, while Kinross Gold (KGC) saw a reduction of 4.24%. Palantir Technologies (PLTR) and Verisign (VRSN) also experienced slight declines.

Other notable changes include Costco Wholesale (COST) with a 5220.96% increase, Carvana (CVNA) with a 38.92% increase, and several other adjustments across sectors like Technology, Healthcare, and Consumer Cyclical.

For detailed analysis of these holdings, please visit the investor profile here and explore individual stock profiles here.