IRONWOOD PHARMACEUTICALS INC

Ticker: IRWD CUSIP: 46333X108 Class: COM CL A

Fortress Investment Group LLC's Holding History (CIK: 0001380393)

Note: Option positions (PUT/CALL) are excluded.

Q2 2013
Shares 512,884 Value ($000) $5,102 Avg Close $12.12 Range $8.23 - $15.39