In March 2017, the Financial Times announced that BlackRock, after a six-month review led by Mark Wiseman, had initiated a restructuring of its $8bn actively-managed fund business, resulting in the departure of seven portfolio managers and a $25m charge in Q2, replacing certain funds with quantitative investment strategies.[36] In May 2017, BlackRock increased its stake in both CRH plc and Bank of Ireland.[37] By April 2017, iShares business accounted for $1.41tn, or 26 percent, of BlackRock's total assets under management, and 37 percent of BlackRock's base fee income.[38] In April 2017, BlackRock backed the inclusion of mainland Chinese shares in MSCI's global index for the first time.[39]