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Ribbon Communications

Name Holding Trade Value Shares
Change
Change in
Stake
Capital Research Global Investors
101
Capital Research Global Investors
California
– -$10.4M -1,395,540 Closed
MWNA
102
Marshall Wace North America
New York
– -$956K -136,540 Closed
AIM
103
Alambic Investment Management
California
– -$537K -72,157 Closed
ARTA
104
A.R.T. Advisors
New York
– -$204K -27,428 Closed
BBHC
105
Brown Brothers Harriman & Co
New York
– -$149K -20,000 Closed
CIA
106
Capital Investment Advisors
Georgia
– -$106K -14,220 Closed
Walleye Trading
107
Walleye Trading
New York
– -$77K -10,400 Closed
William Blair & Company
108
William Blair & Company
Illinois
– -$76K -10,200 Closed
PCM
109
Prelude Capital Management
New York
– -$28K -3,759 Closed
AIM
110
Acrospire Investment Management
Illinois
– -$10K -1,366 Closed
MAM
111
Meeder Asset Management
Ohio
– -$7K -916 Closed
GT
112
Glenmede Trust
Pennsylvania
– -$1K -300 Closed