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
51
$1.58M
52
$1.58M
53
$1.5M
54
$1.44M
55
$1.4M
56
$1.35M
57
$1.33M
58
$1.28M
59
$1.25M
60
$1.25M
61
$1.22M
62
$1.15M
63
$1.1M
64
$1.1M
65
$1.08M
66
$1.06M
67
$956K
68
$915K
69
$905K
70
$902K
71
$883K
72
$806K
73
$790K
74
$768K
75
$752K