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Ribbon Communications
RBBN

Overview Fund Activity

5 hedge funds and large institutions have $15.9M invested in Ribbon Communications in 2015 Q1 according to their latest regulatory filings, with 0 funds opening new positions, 3 increasing their positions, 1 reducing their positions, and 138 closing their positions.

Holders
5
Holders Change
-138
Holders Change %
-96.5%
% of All Funds
0.13%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
–
Increased
3
Reduced
1
Closed
138
Calls
$2M
Puts
$914K
Net Calls
+$1.09M
Net Calls Change
+$396K

Top Buyers

1
California Public Employees Retirement System
1
California Public Employees Retirement System
California
$2.84M
2
Group One Trading
2
Group One Trading
Illinois
$276K
3
EAM
3
Eagle Asset Management
Florida
$594K

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$0
2
ECM
2
Empire Capital Management
Connecticut
$0
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$0
4
BIT
4
BlackRock Institutional Trust
California
$0
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
AIG
76
American International Group
New York
– -$614K -30,929 Closed
AP
77
Alydar Partners
Massachusetts
– -$596K -30,000 Closed
William Blair & Company
78
William Blair & Company
Illinois
– -$591K -29,800 Closed
VOYA Investment Management
79
VOYA Investment Management
Georgia
– -$543K -27,358 Closed
PA
80
Profund Advisors
Maryland
– -$541K -27,261 Closed
WCM
81
Westerly Capital Management
California
– -$536K -27,000 Closed
NEPWA
82
New England Private Wealth Advisors
Massachusetts
– -$480K -23,967 Closed
Prudential Financial
83
Prudential Financial
New Jersey
– -$472K -23,794 Closed
Morgan Stanley
84
Morgan Stanley
New York
– -$446K -22,496 Closed
BBHC
85
Brown Brothers Harriman & Co
New York
– -$397K -20,000 Closed
SIM
86
Spark Investment Management
New York
– -$352K -17,800 Closed
Bank of Montreal
87
Bank of Montreal
Ontario, Canada
– -$353K -17,773 Closed
Citigroup
88
Citigroup
New York
– -$346K -17,432 Closed
Barclays
89
Barclays
United Kingdom
– -$257K -17,068 Closed
DTL
90
Dynamic Technology Lab
Singapore
– -$338K -17,032 Closed
PG
91
PEAK6 Group
Illinois
– -$320K -16,119 Closed
EEG
92
E.E. Geduld
– -$318K -16,000 Closed
UBS AM
93
UBS AM
Illinois
– -$309K -15,559 Closed
State of New Jersey Common Pension Fund D
94
State of New Jersey Common Pension Fund D
New Jersey
– -$298K -15,000 Closed
Arrowstreet Capital
95
Arrowstreet Capital
Massachusetts
– -$280K -14,110 Closed
RFC
96
Russell Frank Company
Washington
– -$255K -12,880 Closed
NL
97
NWAM LLC
Washington
– -$232K -11,710 Closed
MAA
98
Managed Account Advisors
New Jersey
– -$232K -11,664 Closed
NCCM
99
Nine Chapters Capital Management
New Jersey
– -$222K -11,180 Closed
ProShare Advisors
100
ProShare Advisors
Maryland
– -$210K -10,556 Closed
2 3
4
5 6