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.

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 %
AllianceBernstein
51
AllianceBernstein
Tennessee
$1.57M
Walleye Trading
52
Walleye Trading
New York
$1.52M +$159K +4,880 +12%
PM
53
Penbrook Management
New York
$1.43M -$10.6K -325 -0.7%
TA
54
Teachers Advisors
New York
$1.41M +$33.3K +1,022 +2%
Bank of America
55
Bank of America
North Carolina
$1.35M -$361K -11,075 -21%
California Public Employees Retirement System
56
California Public Employees Retirement System
California
$1.32M
Commonwealth Equity Services
57
Commonwealth Equity Services
Massachusetts
$1.26M -$137K -4,192 -10%
CIC
58
Canal Insurance Company
South Carolina
$1.21M +$228K +7,000 +23%
RhumbLine Advisers
59
RhumbLine Advisers
Massachusetts
$1.19M +$132K +4,040 +12%
New York State Teachers Retirement System (NYSTRS)
60
New York State Teachers Retirement System (NYSTRS)
New York
$1.18M
Citadel Advisors
61
Citadel Advisors
Florida
$1.11M -$2.34M -71,719 -68%
Swiss National Bank
62
Swiss National Bank
Switzerland
$1.04M
TAM
63
Tocqueville Asset Management
New York
$1.03M
SIM
64
Spark Investment Management
New York
$1.03M +$1.03M +31,600 New
EIM
65
Essex Investment Management
Massachusetts
$1M -$587 -18 -0.1%
State Board of Administration of Florida Retirement System
66
State Board of Administration of Florida Retirement System
Florida
$994K +$5.68K +174 +0.6%
NSLI
67
Nan Shan Life Insurance
Taiwan
$979K +$979K +30,000 New
Tudor Investment Corp
68
Tudor Investment Corp
Connecticut
$921K +$529K +16,218 +135%
PPA
69
Parametric Portfolio Associates
Washington
$901K -$232K -7,108 -20%
TPSF
70
Texas Permanent School Fund
Texas
$872K +$3.72K +114 +0.4%
TC
71
TFS Capital
Pennsylvania
$861K +$861K +26,397 New
Barclays
72
Barclays
United Kingdom
$842K -$314K -9,818 -27%
PP
73
PDT Partners
New York
$822K +$822K +25,197 New
BG
74
BlackRock Group
United Kingdom
$817K +$18.7K +574 +2%
NSEDCP
75
NJ State Employees Deferred Compensation Plan
New Jersey
$816K