The institutional investor owned 187,950 shares of the construction company’s stock after selling 51,575 shares during the period. The Manufacturers Life Insurance Company’s holdings in MasTec were worth $60,471,000 as of its most recent filing with the SEC. Migdal Insurance & Financial Holdings Ltd. acquired a new stake in shares of MasTec during the 4th quarter worth approximately $30,000. Also, Director Ernst N. Csiszar sold 6,500 shares of MasTec stock in a transaction on Wednesday, June 3rd. MasTec Company Profile(Free Report)MasTec, Inc is a diversified infrastructure construction company that provides engineering, fabrication, installation and maintenance services across a broad range of end markets.