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Ribbon Communications
RBBN

Overview Fund Activity

132 hedge funds and large institutions have $455M invested in Ribbon Communications in 2013 Q2 according to their latest regulatory filings, with 132 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
132
Holders Change
+132
Holders Change %
–
% of All Funds
4.31%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
132
Increased
–
Reduced
–
Closed
–
Calls
$4.68M
Puts
$131K
Net Calls
+$4.55M
Net Calls Change
+$4.55M

Top Buyers

No buyers this quarter

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Shares
Change %
CAM
101
Capstone Asset Management
Texas
$74K +$74K +4,948 New
William Blair & Company
102
William Blair & Company
Illinois
$70K +$70K +4,650 New
Comerica Bank
103
Comerica Bank
Texas
$60K +$60K +4,010 New
PCM
104
Prelude Capital Management
New York
$57K +$57K +3,820 New
SB
105
Suntrust Banks
Georgia
$55K +$55K +3,705 New
GC
106
Guggenheim Capital
Illinois
$54K +$54K +3,605 New
PAM
107
Panagora Asset Management
Massachusetts
$50K +$50K +3,340 New
RC
108
RegentAtlantic Capital
New Jersey
$48K +$48K +3,200 New
SG Americas Securities
109
SG Americas Securities
New York
$48K +$48K +3,205 New
Nuveen Asset Management
110
Nuveen Asset Management
Illinois
$47K +$47K +3,151 New
MPI
111
Mairs & Power Inc
Minnesota
$45K +$45K +3,000 New
Teacher Retirement System of Texas
112
Teacher Retirement System of Texas
Texas
$43K +$43K +2,868 New
WFM
113
Wilmington Funds Management
Delaware
$42K +$42K +2,760 New
G
114
GlobalBridge
Minnesota
$37K +$37K +2,487 New
ILIM
115
Irish Life Investment Managers
Ireland
$35.6K +$35.6K +2,374 New
Citadel Advisors
116
Citadel Advisors
Florida
$35K +$35K +2,322 New
ST
117
Spot Trading
Illinois
$35K +$35K +2,359 New
MC
118
Menta Capital
California
$34K +$34K +2,240 New
JPMIA
119
J.P. Marvel Investment Advisors
Massachusetts
$32K +$32K +2,100 New
PA
120
Pinnacle Associates
New York
$30K +$30K +2,000 New
JGUA
121
John G. Ullman & Associates
New York
$30K +$30K +2,000 New
BlackRock
122
BlackRock
New York
$20K +$20K +1,347 New
OMCS
123
Old Mutual Customised Solutions
South Africa
$14K +$14K +900 New
RNS
124
Robert N. Shapiro
$9K +$9K +620 New
Royal Bank of Canada
125
Royal Bank of Canada
Ontario, Canada
$6K +$6K +400 New
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5
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