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Ribbon Communications

Name Holding Trade Value Shares
Change
Change in
Stake
JP Morgan Chase
1
JP Morgan Chase
New York
$244M -$332K -67,986 -0.1%
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$19.4M +$266K +54,374 +1%
BlackRock
3
BlackRock
New York
$19.3M +$480K +98,365 +3%
Vanguard Group
4
Vanguard Group
Pennsylvania
$18.7M -$238K -48,804 -1%
PCMI
5
Paradigm Capital Management Inc
New York
$16M +$2.26M +463,300 +17%
Neuberger Berman Group
6
Neuberger Berman Group
New York
$12.6M +$2.13M +435,250 +20%
Renaissance Technologies
7
Renaissance Technologies
New York
$9.92M -$29.8K -6,112 -0.3%
RA
8
Royce & Associates
New York
$7.6M -$2.46M -503,303 -24%
NC
9
Nokomis Capital
Texas
$7.42M +$7.42M +1,518,475 New
CS
10
Central Securities
New York
$6.78M
D.E. Shaw & Co
11
D.E. Shaw & Co
New York
$5.58M +$642K +131,472 +13%
State Street
12
State Street
Massachusetts
$5.33M +$264K +54,086 +5%
HCM
13
Horrell Capital Management
Arkansas
$3.98M +$562K +115,000 +16%
KCM
14
Kennedy Capital Management
Missouri
$3.6M +$1.67M +342,249 +87%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$3.57M +$344K +70,504 +11%
Nuveen
16
Nuveen
North Carolina
$3.28M +$3.27M +670,330 New
Northern Trust
17
Northern Trust
Illinois
$3.05M -$120K -24,478 -4%
HIM
18
Herald Investment Management
United Kingdom
$2.98M +$2.98M +610,000 New
OMC
19
Oak Management Corp
Connecticut
$2.6M -$9.81K -2,010 -0.4%
ECM
20
Engine Capital Management
New York
$2.15M
OAM
21
Oxford Asset Management
United Kingdom
$1.93M +$499K +102,157 +35%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$1.86M +$20.8K +4,253 +1%
Goldman Sachs
23
Goldman Sachs
New York
$1.76M +$938K +192,016 +115%
RHJA
24
Rice Hall James & Associates
California
$1.65M +$311K +63,587 +23%
Charles Schwab
25
Charles Schwab
California
$1.53M +$108K +22,134 +8%