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Ribbon Communications
RBBN

Overview Fund Activity

149 hedge funds and large institutions have $582M invested in Ribbon Communications in 2014 Q2 according to their latest regulatory filings, with 24 funds opening new positions, 55 increasing their positions, 49 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
149
Holders Change
-2
Holders Change %
-1.32%
% of All Funds
4.29%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
24
Increased
55
Reduced
49
Closed
24
Calls
$1.02M
Puts
$1.66M
Net Calls
-$637K
Net Calls Change
+$1.95M

Top Buyers

1
WC
1
Walthausen & Co
New York
$14.5M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$35.2M
3
KCM
3
Kingdon Capital Management
New York
$6.1M
4
Norges Bank
4
Norges Bank
Norway
$13.9M
5
BA
5
BlackRock Advisors
Delaware
$5.49M

Top Sellers

1
ECM
1
Empire Capital Management
Connecticut
$79M
2
First Trust Advisors
2
First Trust Advisors
Illinois
$14.7M
3
Goldman Sachs
3
Goldman Sachs
New York
$827K
4
Stifel Financial
4
Stifel Financial
Missouri
$0
5
ACM
5
Archon Capital Management
Washington
$11.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
Arrowstreet Capital
151
Arrowstreet Capital
Massachusetts
– -$2.55M -151,527 Closed
PCM
152
Pentwater Capital Management
Florida
– -$1.94M -114,840 Closed
UOC
153
UBS O'Connor
Illinois
– -$1.69M -100,000 Closed
GIPM
154
G2 Investment Partners Management
New York
– -$1.12M -66,483 Closed
KSC
155
Kendall Square Capital
California
– -$1.04M -61,960 Closed
EC
156
EJF Capital
Virginia
– -$910K -54,000 Closed
HCM
157
Highbridge Capital Management
New York
– -$496K -29,414 Closed
BMCMI
158
Bryn Mawr Capital Management Inc
Pennsylvania
– -$406K -24,101 Closed
SKK
159
Shepherd Kaplan Krochuk
Massachusetts
– -$263K -15,586 Closed
ACI
160
AMP Capital Investors
Australia
– -$227K -13,690 Closed
SCA
161
SAC Capital Advisors
Connecticut
– -$211K -12,509 Closed
QIM
162
Quantitative Investment Management
Virginia
– -$185K -11,000 Closed
PP
163
Paloma Partners
Connecticut
– -$173K -10,259 Closed
DTL
164
Dynamic Technology Lab
Singapore
– -$119K -7,073 Closed
JG
165
Jefferies Group
New York
– -$84K -4,990 Closed
Comerica Bank
166
Comerica Bank
Texas
– -$64K -3,827 Closed
SB
167
Suntrust Banks
Georgia
– -$58K -3,461 Closed
CAM
168
Capstone Asset Management
Texas
– -$48K -2,830 Closed
WA
169
Winfield Associates
Ohio
– -$24K -1,400 Closed
RNS
170
Robert N. Shapiro
– -$10K -620 Closed
AWM
171
Avior Wealth Management
Nebraska
– -$5K -323 Closed
Parallax Volatility Advisers
172
Parallax Volatility Advisers
California
– -$1K -37 Closed
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