IRONWOOD PHARMACEUTICALS INC

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

PARADIGM ASSET MANAGEMENT CO LLC's Holding History (CIK: 0001034549)

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

Q2 2017

Shares 3,100 Value ($000) $58,528 Avg Close $14.53 Range $12.50 - $16.70

Q1 2017

Shares 6,300 Value ($000) $107,478 Avg Close $13.67 Range $11.25 - $15.52

Q2 2015

Shares 192,500 Value ($000) $2,321,550 Avg Close $11.62 Range $9.69 - $13.54

Q1 2015

Shares 192,500 Value ($000) $3,080,000 Avg Close $13.12 Range $11.88 - $14.33

Q4 2014

Shares 190,500 Value ($000) $2,918,460 Avg Close $11.44 Range $9.76 - $13.08

Q3 2014

Shares 180,800 Value ($000) $2,342,264 Avg Close $11.45 Range $10.03 - $13.36

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	3,100	$58,528	$14.53	$12.50 - $16.70
Q1 2017	6,300	$107,478	$13.67	$11.25 - $15.52
Q2 2015	192,500	$2,321,550	$11.62	$9.69 - $13.54
Q1 2015	192,500	$3,080,000	$13.12	$11.88 - $14.33
Q4 2014	190,500	$2,918,460	$11.44	$9.76 - $13.08
Q3 2014	180,800	$2,342,264	$11.45	$10.03 - $13.36