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Ribbon Communications
RBBN

Overview Fund Activity

111 hedge funds and large institutions have $578M invested in Ribbon Communications in 2018 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 37 increasing their positions, 36 reducing their positions, and 7 closing their positions.

Holders
111
Holders Change
+9
Holders Change %
+8.82%
% of All Funds
2.54%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
16
Increased
37
Reduced
36
Closed
7
Calls
$106K
Puts
–
Net Calls
+$106K
Net Calls Change
+$39K

Top Buyers

1
ZIM
1
Zacks Investment Management
Illinois
$2.09M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$24.9M
3
First Trust Advisors
3
First Trust Advisors
Illinois
$1.9M
4
Morgan Stanley
4
Morgan Stanley
New York
$2.67M
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$24.5M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$610K
2
MC
2
Menta Capital
California
$587K
3
Boston Partners
3
Boston Partners
Massachusetts
$4.64M
4
Renaissance Technologies
4
Renaissance Technologies
New York
$13.2M
5
Russell Investments Group
5
Russell Investments Group
United Kingdom
$9.2M
Name Market Value Shares Shares
Change 		Shares
Change %
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$344M 50,412,813 +68 +0%
Vanguard Group
2
Vanguard Group
Pennsylvania
$24.9M 3,647,288 +288,331 +9%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$24.5M 3,589,947 +240,295 +7%
BlackRock
4
BlackRock
New York
$24.4M 3,566,289 +26,211 +0.7%
Neuberger Berman Group
5
Neuberger Berman Group
New York
$14.7M 2,145,439 -66,945 -3%
Renaissance Technologies
6
Renaissance Technologies
New York
$13.2M 1,934,012 -172,500 -8%
RA
7
Royce & Associates
New York
$13M 1,907,546 +181,950 +11%
CS
8
Central Securities
New York
$9.47M 1,387,100 – –
Russell Investments Group
9
Russell Investments Group
United Kingdom
$9.2M 1,347,415 -168,220 -11%
PCMI
10
Paradigm Capital Management Inc
New York
$7.96M 1,165,420 +79,600 +7%
State Street
11
State Street
Massachusetts
$6.73M 985,866 +71,046 +8%
D.E. Shaw & Co
12
D.E. Shaw & Co
New York
$6.12M 895,679 -112,864 -11%
CPA
13
Cowen Prime Advisors
New York
$5.12M 748,883 +61,607 +9%
SBH
14
Segall Bryant & Hamill
Illinois
$4.67M 683,064 +101,230 +17%
Boston Partners
15
Boston Partners
Massachusetts
$4.64M 678,730 -185,850 -21%
Northern Trust
16
Northern Trust
Illinois
$4.29M 628,586 +13,856 +2%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$3.74M 547,845 +33,983 +7%
AQR Capital Management
18
AQR Capital Management
Connecticut
$3.3M 483,769 +57,034 +13%
HCM
19
Horrell Capital Management
Arkansas
$3.3M 482,829 -51,471 -10%
Fidelity Investments
20
Fidelity Investments
Massachusetts
$3.12M 457,190 -4,600 -1%
ECM
21
Engine Capital Management
New York
$3.11M 455,338 -66,556 -13%
Morgan Stanley
22
Morgan Stanley
New York
$2.67M 390,939 +254,405 +186%
Bank of New York Mellon
23
Bank of New York Mellon
New York
$2.54M 371,277 +600 +0.2%
Hotchkis & Wiley Capital Management
24
Hotchkis & Wiley Capital Management
California
$2.5M 366,546 +99,414 +37%
TCIM
25
TIAA CREF Investment Management
New York
$2.45M 359,009 +38,833 +12%
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