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Ribbon Communications
RBBN

Overview Fund Activity

134 hedge funds and large institutions have $438M invested in Ribbon Communications in 2013 Q4 according to their latest regulatory filings, with 18 funds opening new positions, 39 increasing their positions, 53 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
134
Holders Change
-2
Holders Change %
-1.47%
% of All Funds
3.89%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
18
Increased
39
Reduced
53
Closed
19
Calls
$1.38M
Puts
$3.78M
Net Calls
-$2.4M
Net Calls Change
-$4.59M

Top Buyers

1
First Trust Advisors
First Trust Advisors
Illinois
$19.7M
2
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
$4.25M
3
MSA
Mason Street Advisors
Wisconsin
$1.6M
4
Bank of America
Bank of America
North Carolina
$1.74M
5
Vanguard Group
Vanguard Group
Pennsylvania
$51.4M

Top Sellers

1
CAM
Cortina Asset Management
Wisconsin
$0
2
Fidelity Investments
Fidelity Investments
Massachusetts
$19.1M
3
Bank of New York Mellon
Bank of New York Mellon
New York
$6.82M
4
TC
TFS Capital
Pennsylvania
$2.11M
5
CCI
Columbus Circle Investors
$26M
Name Holding Trade Value Shares
Change 		Shares
Change %
HNB
126
Huntington National Bank
Ohio
$2K – – –
HRIA
127
Haberer Registered Investment Advisor
Ohio
$1K – – –
Parallax Volatility Advisers
128
Parallax Volatility Advisers
California
$1K +$1K +46 New
WRM
129
Westport Resources Management
Connecticut
$1K +$1K +60 New
Manulife (Manufacturers Life Insurance)
130
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$522 -$18 -1,111 -3%
CAM
131
Cortina Asset Management
Wisconsin
– -$9.5M -563,814 Closed
RIM
132
RS Investment Management
California
– -$2.69M -159,380 Closed
SFM
133
Systematic Financial Management
New Jersey
– -$1.47M -86,953 Closed
EI
134
EAM Investors
California
– -$1.12M -66,493 Closed
SCA
135
SAC Capital Advisors
Connecticut
– -$346K -20,480 Closed
HCM
136
Highbridge Capital Management
New York
– -$334K -19,833 Closed
ARTA
137
A.R.T. Advisors
New York
– -$332K -19,704 Closed
DCM
138
Driehaus Capital Management
Illinois
– -$324K -19,241 Closed
Los Angeles Capital Management
139
Los Angeles Capital Management
California
– -$208K -12,361 Closed
AC
140
Alexandria Capital
Virginia
– -$167K -9,884 Closed
NTCOC
141
Northern Trust Company of Connecticut
Connecticut
– -$145K -8,583 Closed
SG Americas Securities
142
SG Americas Securities
New York
– -$139K -8,209 Closed
Tudor Investment Corp
143
Tudor Investment Corp
Connecticut
– -$103K -6,100 Closed
OC
144
Oppenheimer & Co
New York
– -$66K -3,918 Closed
AL
145
Airain Ltd
Guernsey
– -$55K -3,291 Closed
Nomura Holdings
146
Nomura Holdings
Japan
– -$51K -3,019 Closed
JGUA
147
John G. Ullman & Associates
New York
– -$34K -2,000 Closed
Bank of Montreal
148
Bank of Montreal
Ontario, Canada
– -$1K -40 Closed
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