183 hedge funds and large institutions have $804M invested in iRobot in 2014 Q4 according to their latest regulatory filings, with 40 funds opening new positions, 47 increasing their positions, 58 reducing their positions, and 24 closing their positions.

Holders
183
Holders Change
+15
Holders Change %
+8.93%
% of All Funds
4.88%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
40
Increased
47
Reduced
58
Closed
24
Calls
$26.8M
Puts
$48.5M
Net Calls
-$21.6M
Net Calls Change
+$3.86M
Name Holding Trade Value Shares
Change
Shares
Change %
Group One Trading
101
Group One Trading
Illinois
$534K +$534K +15,369 New
NIM
102
Needham Investment Management
New York
$521K
VOYA Investment Management
103
VOYA Investment Management
Georgia
$506K
GCP
104
GSA Capital Partners
United Kingdom
$500K +$500K +14,393 New
Susquehanna International Group
105
Susquehanna International Group
Pennsylvania
$489K -$10.2M -294,158 -95%
FAM
106
Fortaleza Asset Management
Illinois
$467K +$467K +13,450 New
LSERS
107
Louisiana State Employees Retirement System
Louisiana
$462K -$10.4K -300 -2%
CAM
108
Capstone Asset Management
Texas
$453K -$57.7K -1,660 -11%
AHC
109
Anderson Hoagland & Co
Missouri
$448K -$4.2K -121 -0.9%
Tudor Investment Corp
110
Tudor Investment Corp
Connecticut
$417K +$417K +12,001 New
UBS AM
111
UBS AM
Illinois
$396K +$41.7K +1,200 +12%
AWCI
112
Alpine Woods Capital Investors
New York
$385K
Thrivent Financial for Lutherans
113
Thrivent Financial for Lutherans
Minnesota
$375K -$1.98M -57,100 -84%
Citigroup
114
Citigroup
New York
$372K -$109K -3,146 -23%
MC
115
Menta Capital
California
$351K +$351K +10,100 New
Parallax Volatility Advisers
116
Parallax Volatility Advisers
California
$305K -$42.4K -1,219 -12%
HIM
117
Hillsdale Investment Management
Ontario, Canada
$281K +$281K +8,100 New
TH
118
Timber Hill
Connecticut
$277K +$277K +7,966 New
TRSOTSOK
119
Teachers Retirement System of the State of Kentucky
Kentucky
$271K
CIM
120
CIM Investment Management
Pennsylvania
$269K +$37.8K +1,088 +16%
PAG
121
Private Advisor Group
New Jersey
$268K -$14.2K -410 -5%
DTL
122
Dynamic Technology Lab
Singapore
$268K +$268K +7,717 New
MERSOM
123
Municipal Employees' Retirement System of Michigan
Michigan
$260K
OA
124
OFI Advisors
Pennsylvania
$256K -$1.22K -35 -0.5%
ProShare Advisors
125
ProShare Advisors
Maryland
$246K -$187K -5,381 -43%