Jim Simons' Renaissance Technologies Portfolio Shows Significant Quarterly Shifts in Top Holdings
Jim Simons' portfolio at Renaissance Technologies experienced notable changes in the fourth quarter, with substantial increases in Tesla, Micron, and Netflix shares, alongside decreases in United Therapeutics and Kinross Gold.
Renaissance Technologies LLC, the investment fund led by Jim Simons, held a total portfolio value of approximately $62.9 billion as of December 31, 2025. The fund's top holdings underwent significant changes during the quarter, reflecting shifts in allocation and share counts.
Among the most notable increases were substantial share growths in Tesla (TSLA), Micron (MU), and Netflix (NFLX). Tesla shares increased by 220.88%, Micron by 151.03%, and Netflix by an extraordinary 2544.63%. These positions saw dramatic expansions in the fourth quarter.
Conversely, the fund reduced its positions in United Therapeutics (UTHR) and Kinross Gold (KGC). United Therapeutics shares decreased by 12.15%, while Kinross Gold experienced a 4.24% reduction. Other notable changes included a 12.33% decrease in Verisign (VRSN) and a 10.0% reduction in Exelixis (EXEL).
For detailed insights into Jim Simons' investment strategy and performance, visit the investor profile at https://www.insiderset.com/investor/jim-simons-renaissance-technologies-llc. You can explore the specific holdings and company profiles at https://www.insiderset.com/investors/stocks/PLTR, https://www.insiderset.com/investors/stocks/UTHR, https://www.insiderset.com/investors/stocks/MU, https://www.insiderset.com/investors/stocks/KGC, https://www.insiderset.com/investors/stocks/VRSN, https://www.insiderset.com/investors/stocks/NFLX, https://www.insiderset.com/investors/stocks/TSLA, https://www.insiderset.com/investors/stocks/EXEL, and https://www.insiderset.com/investors/stocks/COST.