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As of the latest SEC filings, NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ) is held by 1 institutional funds. The largest fund shareholder is VanEck CEF Muni Income ETF (XMPT), holding an estimated $6,918,877.72 in market value, representing 3.36% of its portfolio.

Funds holding NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ)

Source: SEC Form N-PORT institutional portfolio disclosures

Ticker:
NMZ
CIK:
0001266585
1 result
Fund Type Manager Weight Market Value Shares
Report Date
Filing Date
XMPT
VanEck CEF Muni Income ETF
ETF Independent / Boutique 3.36% $6,918,877.72 679,654 Apr 30, 2026 Jun 25, 2026
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