 Macquarie Group Ltd. grew its position in shares of Houghton Mifflin Harcourt Co NASDAQ:HMHC by 4.6 during the fourth quarter, according to its most recent filing with the SEC. The firm owned 162,396 shares of the business services providers stock after acquiring an additional 7,127 shares during the period. Macquarie Group Ltd. owned about 0.13 ... 