IRONWOOD PHARMACEUTICALS INC

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

Tortoise Investment Management, LLC's Holding History (CIK: 0001599511)

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

Q2 2018

Shares 3,293 Value ($000) $63 Avg Close $14.80 Range $11.58 - $16.30

Q1 2018

Shares 3,293 Value ($000) $51 Avg Close $12.46 Range $10.80 - $13.94

Q4 2017

Shares 3,293 Value ($000) $49 Avg Close $13.06 Range $11.84 - $14.80

Q3 2017

Shares 3,293 Value ($000) $52 Avg Close $13.76 Range $11.86 - $16.57

Q2 2017

Shares 3,293 Value ($000) $62 Avg Close $14.53 Range $12.50 - $16.70

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	3,293	$63	$14.80	$11.58 - $16.30
Q1 2018	3,293	$51	$12.46	$10.80 - $13.94
Q4 2017	3,293	$49	$13.06	$11.84 - $14.80
Q3 2017	3,293	$52	$13.76	$11.86 - $16.57
Q2 2017	3,293	$62	$14.53	$12.50 - $16.70