9 institutions reported holding $26.1M of NUVEEN MUN HIGH INCOME OPPOR (NMZ) in SEC 13F filings for 2026-06-30. Largest institutional holders: Hennion & Walsh Asset Management, Inc. ($23.4M), Breakwater Capital Group ($1.2M), Noble Wealth Management PBC ($349,043), Mirador Capital Partners LP ($268,880), Dynamic Advisor Solutions LLC ($214,558). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Hennion & Walsh Asset Management, Inc. | $23.4M | 2.2M | Added |
| 2 | Breakwater Capital Group | $1.2M | 110,775 | New |
| 3 | Noble Wealth Management PBC | $349,043 | 33,022 | Trimmed |
| 4 | Mirador Capital Partners LP | $268,880 | 25,438 | New |
| 5 | Dynamic Advisor Solutions LLC | $214,558 | 20,299 | Added |
| 6 | Avior Wealth Management, LLC | $188,410 | 17,825 | Hold |
| 7 | David J Yvars Group | $163,920 | 15,508 | New |
| 8 | Green Ridge Wealth Planning LLC | $147,177 | 13,924 | New |
| 9 | Value Investment Professionals, LLC | $127,009 | 12,016 | New |
Source: SEC Form 13F filings · as of 2026-06-30