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Ribbon Communications

Name Holding Trade Value Shares
Change
Change in
Stake
WAM
101
World Asset Management
Michigan
$75K +$66.7K +4,996 New
CAM
102
Capstone Asset Management
Texas
$74K +$66K +4,948 New
William Blair & Company
103
William Blair & Company
Illinois
$70K +$62.1K +4,650 New
Comerica Bank
104
Comerica Bank
Texas
$60K +$53.5K +4,010 New
PCM
105
Prelude Capital Management
New York
$57K +$51K +3,820 New
SB
106
Suntrust Banks
Georgia
$55K +$49.4K +3,705 New
GC
107
Guggenheim Capital
Illinois
$54K +$48.1K +3,605 New
PAM
108
Panagora Asset Management
Massachusetts
$50K +$44.6K +3,340 New
RC
109
RegentAtlantic Capital
New Jersey
$48K +$42.7K +3,200 New
SG Americas Securities
110
SG Americas Securities
New York
$48K +$42.8K +3,205 New
Nuveen
111
Nuveen
North Carolina
$47K +$42K +3,151 New
MPI
112
Mairs & Power Inc
Minnesota
$45K +$40K +3,000 New
Teacher Retirement System of Texas
113
Teacher Retirement System of Texas
Texas
$43K +$38.3K +2,868 New
WFM
114
Wilmington Funds Management
Delaware
$42K +$36.8K +2,760 New
G
115
GlobalBridge
Minnesota
$37K +$33.2K +2,487 New
ILIM
116
Irish Life Investment Managers
Ireland
$35.6K +$31.7K +2,374 New
Citadel Advisors
117
Citadel Advisors
Florida
$35K +$31K +2,322 New
ST
118
Spot Trading
Illinois
$35K +$31.5K +2,359 New
MC
119
Menta Capital
California
$34K +$29.9K +2,240 New
JPMIA
120
J.P. Marvel Investment Advisors
Massachusetts
$32K +$28K +2,100 New
JGUA
121
John G. Ullman & Associates
New York
$30K +$26.7K +2,000 New
PA
122
Pinnacle Associates
New York
$30K +$26.7K +2,000 New
BlackRock
123
BlackRock
New York
$20K +$18K +1,347 New
OMCS
124
Old Mutual Customised Solutions
South Africa
$14K +$12K +900 New
RNS
125
Robert N. Shapiro
$9K +$8.27K +620 New