IROBOT CORP

Ticker: IRBTQ CUSIP: 462726100 Class: COM

Granahan Investment Management, LLC's Holding History (CIK: 0001026710)

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

Q2 2015

Shares 431,433 Value ($000) $13,754 Avg Close $32.80 Range $31.61 - $34.93

Q1 2015

Shares 727,339 Value ($000) $23,733 Avg Close $32.46 Range $28.05 - $35.27

Q4 2014

Shares 806,761 Value ($000) $28,011 Avg Close $34.31 Range $29.73 - $38.10

Q3 2014

Shares 695,089 Value ($000) $21,165 Avg Close $34.26 Range $30.00 - $42.00

Q2 2014

Shares 859,672 Value ($000) $35,204 Avg Close $36.15 Range $30.11 - $44.43

Q1 2014

Shares 735,502 Value ($000) $30,192 Avg Close $40.05 Range $32.93 - $48.36

Q4 2013

Shares 1,067,140 Value ($000) $37,104 Avg Close $34.08 Range $28.90 - $38.46

Q3 2013

Shares 648,333 Value ($000) $24,406 Avg Close $35.84 Range $30.85 - $41.12

Q2 2013

Shares 662,880 Value ($000) $26,363 Avg Close $31.24 Range $23.76 - $40.12

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	431,433	$13,754	$32.80	$31.61 - $34.93
Q1 2015	727,339	$23,733	$32.46	$28.05 - $35.27
Q4 2014	806,761	$28,011	$34.31	$29.73 - $38.10
Q3 2014	695,089	$21,165	$34.26	$30.00 - $42.00
Q2 2014	859,672	$35,204	$36.15	$30.11 - $44.43
Q1 2014	735,502	$30,192	$40.05	$32.93 - $48.36
Q4 2013	1,067,140	$37,104	$34.08	$28.90 - $38.46
Q3 2013	648,333	$24,406	$35.84	$30.85 - $41.12
Q2 2013	662,880	$26,363	$31.24	$23.76 - $40.12