163 hedge funds and large institutions have $676M invested in iRobot in 2015 Q1 according to their latest regulatory filings, with 16 funds opening new positions, 63 increasing their positions, 44 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
163
Holders Change
-20
Holders Change %
-10.93%
% of All Funds
4.35%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.03%
New
16
Increased
63
Reduced
44
Closed
34
Calls
$14.5M
Puts
$24.5M
Net Calls
-$9.94M
Net Calls Change
+$11.7M
Name Holding Trade Value Shares
Change
Shares
Change %
LI
176
LMCG Investments
Massachusetts
-$887K -25,544 Closed
CCM
177
Cupps Capital Management
Illinois
-$847K -24,415 Closed
OAM
178
Oberweis Asset Management
Illinois
-$760K -21,900 Closed
ZIM
179
Zacks Investment Management
Illinois
-$606K -17,462 Closed
AL
180
Airain Ltd
Guernsey
-$583K -16,798 Closed
GCP
181
GSA Capital Partners
United Kingdom
-$500K -14,393 Closed
FAM
182
Fortaleza Asset Management
Illinois
-$467K -13,450 Closed
HIM
183
Hillsdale Investment Management
Ontario, Canada
-$281K -8,100 Closed
TH
184
Timber Hill
Connecticut
-$277K -7,966 Closed
DTL
185
Dynamic Technology Lab
Singapore
-$268K -7,717 Closed
NV
186
Nair Vinay
-$238K -6,863 Closed
QT
187
Quantbot Technologies
New York
-$236K -6,800 Closed
SG Americas Securities
188
SG Americas Securities
New York
-$208K -5,983 Closed
SCM
189
Stevens Capital Management
Pennsylvania
-$204K -5,878 Closed
EMG
190
Ellington Management Group
Connecticut
-$201K -5,800 Closed
NPC
191
National Planning Corporation
California
-$107K -3,250 Closed
FMT
192
First Mercantile Trust
Tennessee
-$24K -705 Closed
Public Employees Retirement Association of Colorado
193
Public Employees Retirement Association of Colorado
Colorado
-$10K -300 Closed
ACS
194
Archford Capital Strategies
Illinois
-$1K -29 Closed
FNBT
195
FineMark National Bank & Trust
Florida
-$1K -23 Closed