Weitz Investment Management Inc. trimmed its holdings in shares of CoStar Group, Inc. (NASDAQ:CSGP – Free Report) by 7.4% in the fourth quarter, HoldingsChannel reports. The institutional investor owned 876,500 shares of the technology company’s stock after selling 70,500 shares during the quarter. CoStar Group accounts for 4.0% of Weitz Investment Management Inc.’s portfolio, making […]