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
126
$66K
127
$64K
128
$44K
129
$42K
130
$40K
131
$37K
132
$29K
133
$29K
134
$28K
135
$25K
136
$24K
137
$24K
138
$23K
139
$19K
140
$19K
141
$14K
142
$6.56K
143
$6K
144
$6K
145
$5.83K
146
$5K
147
$4K
148
$4K
149
$4K
150
$3K