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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 %
Geode Capital Management
26
Geode Capital Management
Massachusetts
– -$6.07M -306,038 Closed
D.E. Shaw & Co
27
D.E. Shaw & Co
New York
– -$5.9M -297,417 Closed
TCIM
28
TIAA CREF Investment Management
New York
– -$5.83M -293,675 Closed
Jacobs Levy Equity Management
29
Jacobs Levy Equity Management
New Jersey
– -$5.49M -276,532 Closed
KCM
30
Kingdon Capital Management
New York
– -$4.36M -219,728 Closed
SIP
31
Stoneridge Investment Partners
Pennsylvania
– -$4.2M -211,715 Closed
Fidelity Investments
32
Fidelity Investments
Massachusetts
– -$4.2M -211,620 Closed
USAA
33
United Services Automobile Association
Texas
– -$4.18M -210,675 Closed
IAM
34
Impax Asset Management
New Hampshire
– -$3.66M -184,520 Closed
Alyeska Investment Group
35
Alyeska Investment Group
Illinois
– -$3.64M -183,404 Closed
Renaissance Technologies
36
Renaissance Technologies
New York
– -$3.59M -180,940 Closed
GIP
37
Granite Investment Partners
California
– -$3.02M -152,225 Closed
Millennium Management
38
Millennium Management
New York
– -$2.96M -149,232 Closed
New York State Common Retirement Fund
39
New York State Common Retirement Fund
New York
– -$2.93M -147,756 Closed
Charles Schwab
40
Charles Schwab
California
– -$2.85M -143,739 Closed
Wells Fargo
41
Wells Fargo
California
– -$2.8M -141,268 Closed
BIM
42
BlackRock Investment Management
Delaware
– -$2.66M -133,800 Closed
PPA
43
Parametric Portfolio Associates
Washington
– -$2.56M -129,166 Closed
HAM
44
Harber Asset Management
North Carolina
– -$2.05M -127,084 Closed
EGM
45
Espalier Global Management
New York
– -$2.48M -125,000 Closed
Citadel Advisors
46
Citadel Advisors
Florida
– -$2.4M -121,130 Closed
MSA
47
Mason Street Advisors
Wisconsin
– -$2.02M -101,660 Closed
Deutsche Bank
48
Deutsche Bank
Germany
– -$1.88M -94,589 Closed
California State Teachers Retirement System (CalSTRS)
49
California State Teachers Retirement System (CalSTRS)
California
– -$1.81M -91,226 Closed
DC
50
Deere & Company
Illinois
– -$1.79M -90,072 Closed
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