Grantham Mayo Van Otterloo & Co. LLC increased its holdings in shares of Steel Dynamics, Inc. (NASDAQ:STLD – Free Report) by 1.2% in the 3rd quarter, Holdings Channel.com reports. The institutional investor owned 420,867 shares of the basic materials company’s stock after purchasing an additional 4,995 shares during the period. Grantham Mayo Van Otterloo & […]