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NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND

CIK 1266585Updated Sep 26, 2026

SecurityNMZ · NYSE · etf

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SEC disclosures

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND files definitive proxy statement ↗

SEC · 2026-07-02

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND files prospectus supplement (424B3) ↗

SEC · 2026-04-24

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND files merger communication (425) ↗

SEC · 2026-03-19

Recent filings

NPORT-P filing
NPORT-P · 2026-09-25 · 0001266585-26-000018
N-PX filing
N-PX · 2026-08-17 · 0000930413-26-002540
4 filing
4 · 2026-08-06 · 0000070858-26-000411
4 filing
4 · 2026-08-04 · 0000070858-26-000409
4 filing
4 · 2026-07-28 · 0000070858-26-000368

Show 5 more recent filings

N-CSRS filing
N-CSRS · 2026-07-02 · 0001193125-26-293713
DEF 14A filing
DEF 14A · 2026-07-02 · 0001193125-26-293122
4 filing
4 · 2026-06-29 · 0001225208-26-006229
NPORT-P filing
NPORT-P · 2026-06-24 · 0001266585-26-000012
POS EX filing
POS EX · 2026-06-11 · 0001999371-26-012657