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Ribbon Communications
RBBN

Overview Fund Activity

116 hedge funds and large institutions have $448M invested in Ribbon Communications in 2019 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 46 increasing their positions, 30 reducing their positions, and 22 closing their positions.

Holders
116
Holders Change
-2
Holders Change %
-1.69%
% of All Funds
2.51%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
%
% of All Funds
0.04%
New
20
Increased
46
Reduced
30
Closed
22
Calls
$93K
Puts
$766K
Net Calls
-$673K
Net Calls Change
+$14K

Top Buyers

1
PCMI
1
Paradigm Capital Management Inc
New York
$14.4M
2
OMC
2
Oak Management Corp
Connecticut
$2.75M
3
Hotchkis & Wiley Capital Management
3
Hotchkis & Wiley Capital Management
California
$4.14M
4
VCA
4
VIEX Capital Advisors
Florida
$2.09M
5
KCM
5
Kennedy Capital Management
Missouri
$2.03M

Top Sellers

1
Russell Investments Group
1
Russell Investments Group
United Kingdom
$541K
2
Morgan Stanley
2
Morgan Stanley
New York
$173K
3
Fuller & Thaler Asset Management
3
Fuller & Thaler Asset Management
California
$0
4
IECM
4
Intrinsic Edge Capital Management
Illinois
$0
5
Boston Partners
5
Boston Partners
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$258M 50,017,065 -244,567 -0.5%
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$20.2M 3,921,496 +115,574 +3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$20M 3,880,093 +149,553 +4%
BlackRock
4
BlackRock
New York
$19.9M 3,858,134 -187,267 -5%
PCMI
5
Paradigm Capital Management Inc
New York
$14.4M 2,800,700 +576,080 +26%
Neuberger Berman Group
6
Neuberger Berman Group
New York
$11M 2,136,159 +161,763 +8%
RA
7
Royce & Associates
New York
$10.6M 2,057,092 +95,000 +5%
Renaissance Technologies
8
Renaissance Technologies
New York
$10.5M 2,034,912 +29,100 +1%
CS
9
Central Securities
New York
$7.14M 1,387,100 – –
State Street
10
State Street
Massachusetts
$5.34M 1,036,539 +70,221 +7%
D.E. Shaw & Co
11
D.E. Shaw & Co
New York
$5.2M 1,010,271 +102,139 +11%
Hotchkis & Wiley Capital Management
12
Hotchkis & Wiley Capital Management
California
$4.14M 803,920 +441,400 +122%
HCM
13
Horrell Capital Management
Arkansas
$3.61M 700,000 +18,171 +3%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$3.39M 658,835 +74,526 +13%
Northern Trust
15
Northern Trust
Illinois
$3.34M 649,096 +2,110 +0.3%
OMC
16
Oak Management Corp
Connecticut
$2.75M 533,246 +533,246 New
Arrowstreet Capital
17
Arrowstreet Capital
Massachusetts
$2.59M 502,420 +328,093 +188%
ECM
18
Engine Capital Management
New York
$2.26M 439,516 -15,822 -3%
VCA
19
VIEX Capital Advisors
Florida
$2.09M 405,094 +405,094 New
KCM
20
Kennedy Capital Management
Missouri
$2.03M 395,004 +395,004 New
MAG
21
Millrace Asset Group
Pennsylvania
$2.01M 390,077 -2,467 -0.6%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$1.94M 375,741 +10,085 +3%
AQR Capital Management
23
AQR Capital Management
Connecticut
$1.64M 318,036 +41,203 +15%
CPA
24
Cowen Prime Advisors
New York
$1.55M 300,083 +5,300 +2%
Fidelity Investments
25
Fidelity Investments
Massachusetts
$1.54M 299,544 -19,507 -6%
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