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Ribbon Communications

Name Holding Trade Value Shares
Change
Change in
Stake
PAM
101
Panagora Asset Management
Massachusetts
$53K
ST
102
Spot Trading
Illinois
$51K -$8.8K -570 -15%
RC
103
RegentAtlantic Capital
New Jersey
$50K
QIM
104
Quantitative Investment Management
Virginia
$50K +$49.7K +3,220 New
MPI
105
Mairs & Power Inc
Minnesota
$47K
CAM
106
Capstone Asset Management
Texas
$45K -$32.7K -2,118 -43%
PM
107
Parametrica Management
Hong Kong
$44K +$43.6K +2,823 New
Jane Street
108
Jane Street
New York
$43K -$1.51K -98 -3%
WFM
109
Wilmington Funds Management
Delaware
$43K
WAM
110
World Asset Management
Michigan
$40K -$26.9K -1,742 -41%
G
111
GlobalBridge
Minnesota
$38K -$1.84K -119 -5%
Canada Life
112
Canada Life
Manitoba, Canada
$38K +$36.6K +2,374 New
JPMIA
113
J.P. Marvel Investment Advisors
Massachusetts
$32K
PA
114
Pinnacle Associates
New York
$32K
WA
115
Winfield Associates
Ohio
$32K +$30.9K +2,000 New
PP
116
Paloma Partners
Connecticut
$32K +$31K +2,011 New
HighTower Advisors
117
HighTower Advisors
Illinois
$32K +$31.3K +2,028 New
Teacher Retirement System of Texas
118
Teacher Retirement System of Texas
Texas
$25K -$56.6K -3,665 -70%
BlackRock
119
BlackRock
New York
$21K
RNS
120
Robert N. Shapiro
$10K
TFO
121
Tarbox Family Office
California
$9K +$9.08K +588 New
BNP Paribas Financial Markets
122
BNP Paribas Financial Markets
France
$8.82K -$171K -11,062 -95%
Ameriprise
123
Ameriprise
Minnesota
$6K -$961K -62,233 -99%
Royal Bank of Canada
124
Royal Bank of Canada
Ontario, Canada
$6K -$184K -11,944 -97%
TRCT
125
Tower Research Capital (TRC)
New York
$4K -$16.1K -1,046 -81%