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Ribbon Communications
RBBN

Overview Fund Activity

121 hedge funds and large institutions have $432M invested in Ribbon Communications in 2018 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 40 increasing their positions, 40 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
121
Holders Change
-2
Holders Change %
-1.63%
% of All Funds
2.78%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
20
Increased
40
Reduced
40
Closed
22
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
RA
Royce & Associates
New York
+$3.51M
2
Russell Investments Group
Russell Investments Group
United Kingdom
+$3.48M
3
SBH
Segall Bryant & Hamill
Illinois
+$3.08M
4
Millennium Management
Millennium Management
New York
+$2.39M
5
Renaissance Technologies
Renaissance Technologies
New York
+$2.21M

Top Sellers

1
First Trust Advisors
First Trust Advisors
Illinois
-$31.6M
2
HRCM
Hawk Ridge Capital Management
California
-$3.39M
3
MAG
Millrace Asset Group
Pennsylvania
-$2.24M
4
AQR Capital Management
AQR Capital Management
Connecticut
-$2.04M
5
CEP
Chicago Equity Partners
Illinois
-$1.83M
Name Holding Trade Value Shares
Change 		Shares
Change %
Invesco
26
Invesco
Georgia
$1.77M -$589K -115,359 -25%
MC
27
Menta Capital
California
$1.6M +$923K +181,011 +136%
Morgan Stanley
28
Morgan Stanley
New York
$1.4M +$777K +152,309 +124%
AG
29
Algert Global
California
$1.32M -$12.5K -2,450 -0.9%
Luther King Capital Management (LKCM)
30
Luther King Capital Management (LKCM)
Texas
$1.29M -$1.17M -229,101 -48%
Ameriprise
31
Ameriprise
Minnesota
$1.18M +$1.18M +231,875 New
Charles Schwab
32
Charles Schwab
California
$1.18M +$51.7K +10,122 +5%
Arrowstreet Capital
33
Arrowstreet Capital
Massachusetts
$1.13M +$482K +94,502 +75%
JCM
34
Jafra Capital Management
New York
$1.02M +$1.02M +200,000 New
Citadel Advisors
35
Citadel Advisors
Florida
$952K +$588K +115,264 +161%
TCIM
36
TIAA CREF Investment Management
New York
$922K -$409K -80,160 -31%
BCM
37
BlueCrest Capital Management
Jersey
$920K +$920K +180,325 New
Deutsche Bank
38
Deutsche Bank
Germany
$911K +$266K +52,308 +41%
Two Sigma Advisers
39
Two Sigma Advisers
New York
$845K -$357K -70,062 -30%
SIM
40
Spark Investment Management
New York
$731K +$317K +62,100 +76%
PAM
41
Panagora Asset Management
Massachusetts
$671K -$331K -64,920 -33%
BFM
42
Boothbay Fund Management
New York
$663K +$417K +81,783 +170%
PPA
43
Parametric Portfolio Associates
Washington
$590K -$81K -15,883 -12%
PRCP
44
Pacific Ridge Capital Partners
Oregon
$552K +$323K +63,300 +141%
ZIM
45
Zacks Investment Management
Illinois
$516K -$166K -32,468 -24%
TA
46
Teachers Advisors
New York
$515K -$52.3K -10,263 -9%
California Public Employees Retirement System
47
California Public Employees Retirement System
California
$514K -$322K -63,090 -38%
TEE
48
Tibra Equities Europe
United Kingdom
$512K +$512K +100,410 New
KBC Group
49
KBC Group
Belgium
$485K +$286K +56,125 +144%
Swiss National Bank
50
Swiss National Bank
Switzerland
$467K +$54.1K +10,600 +13%
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