Calamos Convertible Opportunities & Income Fund (CHI)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	D.a. Davidson & Co.	940,247	$9,016,970	0.07%
2.	Lpl Financial Llc	503,880	$4,832,213	0%
3.	H D Vest Advisory Services	354,679	$3,401,370	0.02%
4.	Creekside Partners	265,612	$2,547,223	1.33%
5.	Apollon Wealth Management, Llc	239,701	$2,298,732	0.05%