WINTON GROUP Ltd grew its holdings in shares of BlackRock, Inc. (NYSE:BLK) by 109.7% in the 4th quarter, according to its most recent 13F filing with the Securities & Exchange Commission. The fund owned 43,882 shares of the asset manager’s stock after purchasing an additional 22,955 shares during the quarter. WINTON GROUP Ltd’s holdings in BlackRock were worth $17,238,000 as of its most recent filing with the Securities & Exchange Commission. Other hedge funds and other institutional investors have also added to or reduced their stakes in the company.