155 hedge funds and large institutions have $611M invested in iRobot in 2015 Q3 according to their latest regulatory filings, with 15 funds opening new positions, 57 increasing their positions, 51 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
155
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$9.75M
Puts
$6.6M
Net Calls
Net Calls Change

Top Buyers

1 +$18.7M
2 +$11.6M
3 +$8.23M
4
UOC
UBS O'Connor
Illinois
+$4.47M
5
Morgan Stanley
Morgan Stanley
New York
+$3.7M

Top Sellers

1 -$13.8M
2 -$12.2M
3 -$4.62M
4
WI
WBI Investments
New Jersey
-$3.78M
5
Comerica Bank
Comerica Bank
Texas
-$3.35M
Name Holding Trade Value Shares
Change
Change in
Stake
101
$362K
102
$358K
103
$329K
104
$324K
105
$309K
106
$295K
107
$271K
108
$266K
109
$259K
110
$258K
111
$248K
112
$228K
113
$227K
114
$202K
115
$183K
116
$180K
117
$171K
118
$169K
119
$130K
120
$128K
121
$123K
122
$111K
123
$101K
124
$84K
125
$76K