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
26
$4.95M
27
$4.84M
28
$4.47M
29
$4.11M
30
$3.77M
31
$3.52M
32
$3.23M
33
$2.97M
34
$2.92M
35
$2.92M
36
$2.79M
37
$2.63M
38
$2.39M
39
$2.36M
40
$2.24M
41
$2.19M
42
$2.17M
43
$2.13M
44
$2.11M
45
$2.02M
46
$1.99M
47
$1.87M
48
$1.79M
49
$1.68M
50
$1.65M