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Ribbon Communications

Name Holding Trade Value Shares
Change
Change in
Stake
GC
26
Globeflex Capital
California
$1.18M
Group One Trading
27
Group One Trading
Illinois
$1.05M +$61.4K +9,094 +5%
Russell Investments Group
28
Russell Investments Group
United Kingdom
$854K -$15K -2,219 -2%
CPA
29
Cowen Prime Advisors
New York
$844K +$3.38K +500 +0.4%
PRCP
30
Pacific Ridge Capital Partners
Oregon
$839K +$38.6K +5,710 +4%
PPA
31
Parametric Portfolio Associates
Washington
$804K -$21.1K -3,126 -2%
Citigroup
32
Citigroup
New York
$793K +$55.6K +8,238 +7%
Morgan Stanley
33
Morgan Stanley
New York
$728K +$370K +54,808 +82%
California State Teachers Retirement System (CalSTRS)
34
California State Teachers Retirement System (CalSTRS)
California
$694K +$130K +19,295 +20%
BFM
35
Boothbay Fund Management
New York
$690K +$142K +21,055 +22%
Principal Financial Group
36
Principal Financial Group
Iowa
$635K -$5.31K -786 -0.7%
Renaissance Technologies
37
Renaissance Technologies
New York
$634K -$681K -100,800 -49%
BCM
38
Bridgeway Capital Management
Texas
$632K
Goldman Sachs
39
Goldman Sachs
New York
$614K +$20K +2,967 +3%
RhumbLine Advisers
40
RhumbLine Advisers
Massachusetts
$588K +$22.5K +3,326 +4%
Fidelity Investments
41
Fidelity Investments
Massachusetts
$585K -$79K -11,700 -11%
Los Angeles Capital Management
42
Los Angeles Capital Management
California
$561K -$70.4K -10,430 -10%
Invesco
43
Invesco
Georgia
$508K -$231K -34,148 -29%
ZCM
44
Zebra Capital Management
Connecticut
$508K +$57.5K +8,521 +11%
UBS AM
45
UBS AM
Illinois
$507K +$6.99K +1,035 +1%
GCP
46
GSA Capital Partners
United Kingdom
$491K +$555K +82,184 New
CS
47
Credit Suisse
Switzerland
$440K +$102K +15,065 +26%
Mackenzie Financial
48
Mackenzie Financial
Ontario, Canada
$392K +$11.4K +1,686 +3%
PCM
49
Palisade Capital Management
New Jersey
$389K
MWA
50
Meridian Wealth Advisors
Texas
$388K