Ironwood Pharmaceuticals, Inc. revenue for the last year amounted to 442.74 M USD, the most of which — 442.74 M USD — came from its highest performing source at the moment, Collaborative Arrangements, the year earlier bringing 410.60 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought Ironwood Pharmaceuticals, Inc. 442.74 M USD, and the year before that — 410.60 M USD.