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Ribbon Communications
RBBN

Overview Fund Activity

123 hedge funds and large institutions have $665M invested in Ribbon Communications in 2017 Q4 according to their latest regulatory filings, with 119 funds opening new positions, 2 increasing their positions, 2 reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
123
Holders Change
+119
Holders Change %
+2,975%
% of All Funds
2.79%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
119
Increased
2
Reduced
2
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$391M
2
First Trust Advisors
2
First Trust Advisors
Illinois
$31.6M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$24.9M
4
BlackRock
4
BlackRock
New York
$24.6M
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$24.6M

Top Sellers

1
RhumbLine Advisers
1
RhumbLine Advisers
Massachusetts
$379K
2
PCMI
2
Paradigm Capital Management Inc
New York
$186K
Name Holding Trade Value Shares
Change 		Shares
Change %
MAG
26
Millrace Asset Group
Pennsylvania
$2.24M +$490K +63,318 +28%
Fidelity Investments
27
Fidelity Investments
Massachusetts
$2.2M +$2.2M +284,520 New
TCIM
28
TIAA CREF Investment Management
New York
$2.02M +$2.02M +260,872 New
AG
29
Algert Global
California
$2.01M +$2.01M +260,512 New
CEP
30
Chicago Equity Partners
Illinois
$1.83M +$1.83M +236,675 New
Two Sigma Advisers
31
Two Sigma Advisers
New York
$1.82M +$1.82M +235,675 New
Charles Schwab
32
Charles Schwab
California
$1.71M +$1.71M +220,500 New
PAM
33
Panagora Asset Management
Massachusetts
$1.52M +$1.52M +196,584 New
OAM
34
Oxford Asset Management
United Kingdom
$1.38M +$1.38M +174,460 New
Millennium Management
35
Millennium Management
New York
$1.38M +$1.38M +177,929 New
California Public Employees Retirement System
36
California Public Employees Retirement System
California
$1.27M +$1.27M +163,890 New
ZIM
37
Zacks Investment Management
Illinois
$1.03M +$1.03M +133,552 New
MC
38
Menta Capital
California
$1.03M +$1.03M +133,160 New
PPA
39
Parametric Portfolio Associates
Washington
$1.02M +$61K +7,883 +6%
Arrowstreet Capital
40
Arrowstreet Capital
Massachusetts
$979K +$979K +126,646 New
Deutsche Bank
41
Deutsche Bank
Germany
$979K +$979K +126,818 New
Morgan Stanley
42
Morgan Stanley
New York
$947K +$947K +122,576 New
PA
43
Profund Advisors
Maryland
$904K +$904K +116,911 New
Two Sigma Investments
44
Two Sigma Investments
New York
$902K +$902K +116,668 New
TA
45
Teachers Advisors
New York
$861K +$861K +111,334 New
Goldman Sachs
46
Goldman Sachs
New York
$825K +$825K +106,730 New
ARTA
47
A.R.T. Advisors
New York
$803K +$803K +103,972 New
SIM
48
Spark Investment Management
New York
$628K +$628K +81,300 New
Swiss National Bank
49
Swiss National Bank
Switzerland
$626K +$626K +80,974 New
California State Teachers Retirement System (CalSTRS)
50
California State Teachers Retirement System (CalSTRS)
California
$582K +$582K +75,323 New
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