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Ribbon Communications
RBBN

Overview Fund Activity

136 hedge funds and large institutions have $508M invested in Ribbon Communications in 2013 Q3 according to their latest regulatory filings, with 17 funds opening new positions, 62 increasing their positions, 32 reducing their positions, and 10 closing their positions.

Holders
136
Holders Change
+4
Holders Change %
+3.03%
% of All Funds
4.41%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
17
Increased
62
Reduced
32
Closed
10
Calls
$2.37M
Puts
$180K
Net Calls
+$2.19M
Net Calls Change
-$2.36M

Top Buyers

1
CCI
1
Columbus Circle Investors
$32.5M
2
Luther King Capital Management (LKCM)
2
Luther King Capital Management (LKCM)
Texas
$11M
3
Bank of New York Mellon
3
Bank of New York Mellon
New York
$12.6M
4
TA
4
Teachers Advisors
New York
$8.33M
5
TC
5
TFS Capital
Pennsylvania
$7.13M

Top Sellers

1
ECM
1
Empire Capital Management
Connecticut
$89.3M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$30.7M
3
SCA
3
SAC Capital Advisors
Connecticut
$346K
4
CAM
4
Contour Asset Management
New York
$0
5
CM
5
Castleark Management
Illinois
$0
Name Market Value Shares Shares
Change 		Shares
Change %
ARTA
76
A.R.T. Advisors
New York
$332K 98,522 +32,500 +49%
Morgan Stanley
77
Morgan Stanley
New York
$326K 96,997 +46,206 +91%
DCM
78
Driehaus Capital Management
Illinois
$324K 96,206 +96,206 New
William Blair & Company
79
William Blair & Company
Illinois
$280K 83,250 +60,000 +258%
Barclays
80
Barclays
United Kingdom
$276K 91,933 +24,552 +36%
Bank of America
81
Bank of America
North Carolina
$266K 79,041 -191,183 -71%
Citadel Advisors
82
Citadel Advisors
Florida
$247K 73,064 +61,453 +529%
UBS AM
83
UBS AM
Illinois
$235K 69,593 +37,800 +119%
TH
84
Timber Hill
Connecticut
$229K 67,888 -15,324 -18%
Group One Trading
85
Group One Trading
Illinois
$217K 64,125 +64,125 New
U
86
UBS
Switzerland
$210K 62,297 +18,978 +44%
Los Angeles Capital Management
87
Los Angeles Capital Management
California
$208K 61,803 +980 +2%
Royal Bank of Canada
88
Royal Bank of Canada
Ontario, Canada
$208K 61,718 +59,718 +2,986%
Two Sigma Advisers
89
Two Sigma Advisers
New York
$207K 61,071 +28,500 +88%
BNP Paribas Financial Markets
90
BNP Paribas Financial Markets
France
$196K 58,111 -17,040 -23%
NL
91
NWAM LLC
Washington
$187K 11,104 -1,329 -11%
AAP
92
Ardsley Advisory Partners
Connecticut
$169K 50,000 +20,000 +67%
AC
93
Alexandria Capital
Virginia
$167K 49,420 – –
BG
94
BlackRock Group
United Kingdom
$164K 48,606 – –
Principal Financial Group
95
Principal Financial Group
Iowa
$160K 47,390 -3,032 -6%
NTCOC
96
Northern Trust Company of Connecticut
Connecticut
$145K 42,914 +6,066 +16%
SG Americas Securities
97
SG Americas Securities
New York
$139K 41,047 +25,022 +156%
Commonwealth Equity Services
98
Commonwealth Equity Services
Massachusetts
$130K 38,662 +1,339 +4%
Prudential Financial
99
Prudential Financial
New Jersey
$115K 34,072 +800 +2%
PCM
100
Prelude Capital Management
New York
$107K 31,800 +12,700 +66%
2 3
4
5 6