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Ribbon Communications

Name Holding Trade Value Shares
Change
Change in
Stake
Assenagon Asset Management
26
Assenagon Asset Management
Luxembourg
$800K +$849K +207,150 +401%
Citadel Advisors
27
Citadel Advisors
Florida
$769K +$884K +215,684 +648%
GCP
28
GSA Capital Partners
United Kingdom
$717K +$71.4K +17,421 +8%
Marshall Wace
29
Marshall Wace
United Kingdom
$712K +$945K +230,524 New
Swiss National Bank
30
Swiss National Bank
Switzerland
$706K +$69.2K +16,900 +8%
AQR Capital Management
31
AQR Capital Management
Connecticut
$703K +$932K +227,442 New
BFM
32
Boothbay Fund Management
New York
$673K +$309K +75,329 +53%
GC
33
Globeflex Capital
California
$611K
Two Sigma Investments
34
Two Sigma Investments
New York
$553K +$734K +179,073 New
PPA
35
Parametric Portfolio Associates
Washington
$535K +$157K +38,244 +28%
Invesco
36
Invesco
Georgia
$522K +$397K +96,931 +134%
BIP
37
Brandes Investment Partners
California
$442K +$311K +75,979 +113%
PRCP
38
Pacific Ridge Capital Partners
Oregon
$434K
Victory Capital Management
39
Victory Capital Management
Texas
$420K +$95.9K +23,393 +24%
CPA
40
Cowen Prime Advisors
New York
$415K -$28.7K -7,000 -5%
Renaissance Technologies
41
Renaissance Technologies
New York
$409K +$303K +74,011 +127%
Russell Investments Group
42
Russell Investments Group
United Kingdom
$403K +$97.5K +23,806 +22%
IA
43
IndexIQ Advisors
New York
$389K +$306K +74,557 +145%
Goldman Sachs
44
Goldman Sachs
New York
$352K +$3.94K +962 +0.9%
Citigroup
45
Citigroup
New York
$351K -$122K -29,869 -21%
California State Teachers Retirement System (CalSTRS)
46
California State Teachers Retirement System (CalSTRS)
California
$345K -$30.5K -7,437 -6%
ZCM
47
Zebra Capital Management
Connecticut
$300K +$126K +30,750 +46%
RhumbLine Advisers
48
RhumbLine Advisers
Massachusetts
$272K -$39.3K -9,587 -10%
UBS AM
49
UBS AM
Illinois
$271K +$4.98K +1,216 +1%
Two Sigma Advisers
50
Two Sigma Advisers
New York
$256K +$340K +82,900 New