IRONWOOD PHARMACEUTICALS INC revenue for the last year amounted to 401.12 M EUR, the most of which — 401.12 M EUR — came from its highest performing source at the moment, Collaborative Arrangements, the year earlier bringing 383.64 M EUR. The greatest contribution to the revenue figure was made by United States — last year it brought IRONWOOD PHARMACEUTICALS INC 401.12 M EUR, and the year before that — 383.64 M EUR.