Quantbot Technologies LP increased its position in shares of United Microelectronics Co. (NYSE:UMC – Free Report) by 398.2% during the third quarter, Holdings Channel reports. The institutional investor owned 163,657 shares of the semiconductor company’s stock after purchasing an additional 130,809 shares during the period. Quantbot Technologies LP’s holdings in United Microelectronics were worth $1,378,000 […]