Nuveen Municipal High Income Opportunity Fund (NMZ)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Melone Private Wealth, Llc	672,622	$6,981,820	2.85%
2.	Gridiron Partners, Llc	319,835	$3,319,887	2.03%
3.	Commonwealth Equity Services, Llc	220,069	$2,284,312	0%
4.	Platform Technology Partners	173,235	$1,798,174	0.35%
5.	High Net Worth Advisory Group Llc	140,264	$1,455,943	0.34%