13D Filings
NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND
NMZ
Amendment
Ownership

23.20%

Total Shares

1,870

Issuer CIK

1266585

Event Date

Apr 26, 2026

Accepted

Apr 29, 2026, 12:13 PM

Reporting Persons (2)
Joint Filing

This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.

NameType% of ClassAggregateSole VotingShared Voting
BANK OF AMERICA CORP /DE/
Holding Company
23.20%1,87001,870
Banc of America Preferred Funding Corp
CO
23.20%1,87001,870
Disclosure Items (3)

Security Title

ADJUSTABLE RATE MUNIFUND TERM PREFERRED SHARES

Issuer Name

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND

Issuer Address

333 W WACKER DRIVE, CHICAGO, IL, 60606

Item 2(c) of the Original Schedule 13D is hereby amended by deleting Schedule I referenced therein and replacing it with Schedule I included with this Amendment.

Item 7 of the Original Schedule 13D is hereby amended by deleting Exhibit 99.1 and Exhibit 99.2 thereto and the insertion of the following exhibits: Exhibit Description of Exhibit 99.1 Joint Filing Agreement 99.2 Power of Attorney 99.7 Schedule I 99.8 Schedule II

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND — Schedule 13D | 13D Filings