IRONWOOD PHARMACEUTICALS INC

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

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q3 2018
Shares 1,522,716 Value ($000) $28,110 Avg Close $15.81 Range $13.94 - $17.76
Q2 2018
Shares 1,528,525 Value ($000) $29,225 Avg Close $14.80 Range $11.58 - $16.30
Q1 2018
Shares 1,533,753 Value ($000) $23,666 Avg Close $12.46 Range $10.80 - $13.94
Q4 2017
Shares 1,579,857 Value ($000) $23,682 Avg Close $13.06 Range $11.84 - $14.80
Q3 2017
Shares 1,551,432 Value ($000) $24,466 Avg Close $13.76 Range $11.86 - $16.57
Q2 2017
Shares 1,596,445 Value ($000) $30,141 Avg Close $14.53 Range $12.50 - $16.70
Q1 2017
Shares 1,586,943 Value ($000) $27,074 Avg Close $13.67 Range $11.25 - $15.52
Q4 2016
Shares 1,621,787 Value ($000) $24,797 Avg Close $12.63 Range $10.45 - $14.15
Q3 2016
Shares 1,546,772 Value ($000) $24,563 Avg Close $11.69 Range $10.20 - $13.54
Q2 2016
Shares 1,848,031 Value ($000) $24,163 Avg Close $9.77 Range $7.59 - $11.11
Q1 2016
Shares 1,649,172 Value ($000) $18,042 Avg Close $8.25 Range $6.16 - $9.66
Q4 2015
Shares 1,519,512 Value ($000) $17,611 Avg Close $9.66 Range $8.42 - $10.57