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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 %
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$257M -$851K -166,808 -0.3%
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$16.3M +$74.3K +14,570 +0.5%
BlackRock
3
BlackRock
New York
$16.2M -$58.1K -11,385 -0.4%
Vanguard Group
4
Vanguard Group
Pennsylvania
$15.8M -$669K -131,164 -4%
Neuberger Berman Group
5
Neuberger Berman Group
New York
$11.6M -$382K -74,906 -3%
Renaissance Technologies
6
Renaissance Technologies
New York
$11.1M +$2.21M +433,412 +25%
CS
7
Central Securities
New York
$7.07M +$875K +171,600 +14%
RA
8
Royce & Associates
New York
$7.01M +$3.51M +689,095 +101%
Russell Investments Group
9
Russell Investments Group
United Kingdom
$6.83M +$3.48M +682,716 +104%
D.E. Shaw & Co
10
D.E. Shaw & Co
New York
$5.45M -$243K -47,554 -4%
Capital Research Global Investors
11
Capital Research Global Investors
California
$5.33M -$1.79M -351,240 -25%
State Street
12
State Street
Massachusetts
$4.69M -$120K -23,429 -2%
Boston Partners
13
Boston Partners
Massachusetts
$3.95M +$483K +94,710 +14%
CPA
14
Cowen Prime Advisors
New York
$3.47M +$570K +111,720 +20%
Millennium Management
15
Millennium Management
New York
$3.3M +$2.39M +468,732 +263%
AIM
16
Alambic Investment Management
California
$3.17M +$560K +109,793 +21%
SBH
17
Segall Bryant & Hamill
Illinois
$3.08M +$3.08M +604,391 New
Northern Trust
18
Northern Trust
Illinois
$2.85M +$117K +23,048 +4%
ECM
19
Engine Capital Management
New York
$2.66M +$434K +85,000 +19%
HCM
20
Horrell Capital Management
Arkansas
$2.61M +$994K +195,000 +62%
Goldman Sachs
21
Goldman Sachs
New York
$2.56M +$2.01M +394,655 +370%
Geode Capital Management
22
Geode Capital Management
Massachusetts
$2.42M +$28K +5,487 +1%
Fidelity Investments
23
Fidelity Investments
Massachusetts
$2.41M +$961K +188,360 +66%
AQR Capital Management
24
AQR Capital Management
Connecticut
$2.34M -$2.04M -399,191 -47%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$1.86M +$27.5K +5,391 +1%
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