Unprecedented turbulence at a pair of quantitative hedge funds managed by the industry pioneer Renaissance Technologies is causing the firm to consider adjusting its trading models, according to ...

Renaissance Technologies just made a major statement with its latest 13F release, with a massive bet on red-hot Micron (MU) stock. The quant powerhouse founded by the late Jim Simons raised its stake ...

Renaissance Technologies, founded by Jim Simons, underperformed with a return of 9.64% in the year 2025, as compared to the broader S&P 500's 12% return. In its latest Q4 2025 13F filing, the manager ...