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Ribbon Communications
RBBN

Overview Fund Activity

123 hedge funds and large institutions have $525M invested in Ribbon Communications in 2019 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 40 increasing their positions, 40 reducing their positions, and 9 closing their positions.

Holders
123
Holders Change
+14
Holders Change %
+12.84%
% of All Funds
2.7%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
24
Increased
40
Reduced
40
Closed
9
Calls
$60K
Puts
$359K
Net Calls
-$299K
Net Calls Change
+$246K

Top Buyers

1
NC
1
Nokomis Capital
Texas
$11.5M
2
PCMI
2
Paradigm Capital Management Inc
New York
$20.7M
3
Arrowstreet Capital
3
Arrowstreet Capital
Massachusetts
$2.65M
4
Barrow, Hanley, Mewhinney & Strauss
4
Barrow, Hanley, Mewhinney & Strauss
Texas
$1.46M
5
HIM
5
Hillsdale Investment Management
Ontario, Canada
$1.36M

Top Sellers

1
ECM
1
Engine Capital Management
New York
$684K
2
Goldman Sachs
2
Goldman Sachs
New York
$871K
3
AQR Capital Management
3
AQR Capital Management
Connecticut
$745K
4
Grantham, Mayo, Van Otterloo & Co (GMO)
4
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$453K
5
CS
5
Central Securities
New York
$7.29M
Name Market Value Shares Shares
Change 		Shares
Change %
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$292M 49,949,385 +306 +0%
BlackRock
2
BlackRock
New York
$23.8M 4,075,798 +119,299 +3%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$23.3M 3,995,370 +19,500 +0.5%
Vanguard Group
4
Vanguard Group
Pennsylvania
$21.9M 3,754,429 -76,860 -2%
PCMI
5
Paradigm Capital Management Inc
New York
$20.7M 3,546,500 +282,500 +9%
Neuberger Berman Group
6
Neuberger Berman Group
New York
$16.2M 2,765,803 +194,394 +8%
Renaissance Technologies
7
Renaissance Technologies
New York
$12.1M 2,076,900 +48,100 +2%
NC
8
Nokomis Capital
Texas
$11.5M 1,976,766 +458,291 +30%
RA
9
Royce & Associates
New York
$9.6M 1,643,818 +90,029 +6%
CS
10
Central Securities
New York
$7.29M 1,247,488 -139,612 -10%
State Street
11
State Street
Massachusetts
$7.09M 1,213,993 +123,368 +11%
D.E. Shaw & Co
12
D.E. Shaw & Co
New York
$6.03M 1,033,301 -108,442 -9%
HCM
13
Horrell Capital Management
Arkansas
$4.76M 815,000 – –
Geode Capital Management
14
Geode Capital Management
Massachusetts
$4.33M 742,286 +12,947 +2%
Northern Trust
15
Northern Trust
Illinois
$4.09M 700,289 +75,671 +12%
Nuveen Asset Management
16
Nuveen Asset Management
Illinois
$3.9M 667,591 -2,739 -0.4%
KCM
17
Kennedy Capital Management
Missouri
$3.76M 643,935 -93,318 -13%
HIM
18
Herald Investment Management
United Kingdom
$3.56M 610,000 – –
OMC
19
Oak Management Corp
Connecticut
$3.46M 593,177 +61,941 +12%
Arrowstreet Capital
20
Arrowstreet Capital
Massachusetts
$2.65M 453,200 +262,884 +138%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$2.23M 382,263 +2,269 +0.6%
OAM
22
Oxford Asset Management
United Kingdom
$2.02M 345,893 -48,322 -12%
Charles Schwab
23
Charles Schwab
California
$1.98M 338,643 +24,856 +8%
RHJA
24
Rice Hall James & Associates
California
$1.86M 318,591 -19,464 -6%
Barrow, Hanley, Mewhinney & Strauss
25
Barrow, Hanley, Mewhinney & Strauss
Texas
$1.46M 250,215 +250,215 New
1
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