In stark contrast to the company’s official happy talk about selling off their heritage by disposing of the trade division and positioning a struggling textbook publisher as a “pure-play learning technology company,” Houghton Mifflin Harcourt’s biggest investor indicated that they have had enough. Anchore Advisors, the largest shareholder with just under 16 percent of shares, filed a form with the SEC indicating that they want to sell. The investment firm — whose senior portfolio manager Daniel Allen sits on the HMH board — and HMH have terminated an investor rights agreement that dates back to 2012 and “Anchorage has requested […]