IROBOT CORP

Ticker: IRBTQ CUSIP: 462726100 Class: COM

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q1 2017

Shares 18,197 Value ($000) $1,204 Avg Close $59.15 Range $52.12 - $66.24

Q4 2016

Shares 20,919 Value ($000) $1,223 Avg Close $52.18 Range $42.06 - $60.86

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	18,197	$1,204	$59.15	$52.12 - $66.24
Q4 2016	20,919	$1,223	$52.18	$42.06 - $60.86