Ribbon Communications Inc. (RBBN)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Silverberg Bernstein Capital Management Llc	293,583	$1,150,845	1.07%
2.	Rhumbline Advisers	153,183	$600,471	0%
3.	Assenagon Asset Management S.a.	78,330	$307,054	0%
4.	Essex Financial Services, Inc.	24,055	$94,296	0.01%
5.	Vista Investment Partners Llc	20,400	$79,968	0.02%