Houghton Mifflin Harcourt officially became a publicly traded company on November 14, 2013, with common shares of stock listed on the NASDAQ exchange.

[3] As of 2017, Houghton Mifflin Harcourt is offering the Adventure Workshop brand (originally used for titles published by or acquired by Riverdeep) as a licensing opportunity on its website.

[5] Tony Lucki, a former non-executive director of Riverdeep, would remain in his position as Houghton Mifflin's chief executive officer.

Existing investors put up $23 million of equity financing to help to meet the $3.7 billion cash requirement for the purchase.

Reed took a $300 million stake in Houghton Mifflin, Inc., which left it with 11.8 per cent of the common stock in the enlarged company.