NMZ Nuveen Municipal High Income O
Nuveen Municipal High Income O (NMZ) Institutional Ownership
What the institutions did with NMZ last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| MORGAN STANLEY | 3.2M | 9.3% |
| GUGGENHEIM CAPITAL LLC | 2.4M | 6.9% |
| WELLS FARGO & COMPANY/MN | 2.4M | 6.9% |
| SIT INVESTMENT ASSOCIATES INC | 2.3M | 6.8% |
| Hennion & Walsh Asset Management, Inc. | 2.2M | 6.5% |
| RAYMOND JAMES FINANCIAL INC | 1.9M | 5.6% |
| UBS Group AG | 1.5M | 4.5% |
| BANK OF AMERICA CORP /DE/ | 1.1M | 3.3% |
| LPL Financial LLC | 1.1M | 3.2% |
| VAN ECK ASSOCIATES CORP | 1.1M | 3.1% |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 1.0M | 3.1% |
| J.W. COLE ADVISORS, INC. | 1.0M | 3.0% |
| Cetera Investment Advisers | 1.0M | 2.9% |
| Melone Private Wealth, LLC | 846.3K | 2.5% |
| Rockefeller Capital Management L.P. | 592.1K | 1.7% |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 516.1K | 1.5% |
| ROYAL BANK OF CANADA | 450.5K | 1.3% |
| COMMONWEALTH EQUITY SERVICES, LLC | 447.0K | 1.3% |
| OSAIC HOLDINGS, INC. | 311.8K | 0.9% |
| Cambridge Investment Research Advisors, Inc. | 286.7K | 0.8% |
| Advisors Asset Management, Inc. | 271.9K | 0.8% |
| Palogic Value Management, L.P. | 271.5K | 0.8% |
| HighTower Advisors, LLC | 265.1K | 0.8% |
| Janney Montgomery Scott LLC | 220.5K | 0.6% |
| Baird Financial Group, Inc. | 217.1K | 0.6% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| SIT INVESTMENT ASSOCIATES INC | New | 0 | 2.3M | +2.3M |
| WELLS FARGO & COMPANY/MN | Increased | 878.7K | 2.4M | +1.5M |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | New | 0 | 1.0M | +1.0M |
| J.W. COLE ADVISORS, INC. | New | 0 | 1.0M | +1.0M |
| RAYMOND JAMES FINANCIAL INC | Increased | 1.1M | 1.9M | +810.3K |
| BANK OF AMERICA CORP /DE/ | Increased | 389.2K | 1.1M | +723.6K |
| Cetera Investment Advisers | Increased | 397.6K | 1.0M | +604.9K |
| Hennion & Walsh Asset Management, Inc. | Increased | 1.6M | 2.2M | +577.9K |
| MORGAN STANLEY | Increased | 2.7M | 3.2M | +502.3K |
| Rockefeller Capital Management L.P. | Increased | 131.2K | 592.1K | +460.8K |
| UBS Group AG | Reduced | 1.9M | 1.5M | -388.0K |
| VAN ECK ASSOCIATES CORP | Increased | 674.3K | 1.1M | +382.2K |
| GUGGENHEIM CAPITAL LLC | Increased | 2.0M | 2.4M | +333.3K |
| ROBINSON CAPITAL MANAGEMENT, LLC | Sold Out | 332.7K | 0 | -332.7K |
| LPL Financial LLC | Increased | 764.1K | 1.1M | +316.3K |
| HighTower Advisors, LLC | New | 0 | 265.1K | +265.1K |
| COMMONWEALTH EQUITY SERVICES, LLC | Increased | 220.1K | 447.0K | +226.9K |
| Gridiron Partners, LLC | Reduced | 319.8K | 101.6K | -218.2K |
| Cambridge Investment Research Advisors, Inc. | Increased | 81.9K | 286.7K | +204.7K |
| Janney Montgomery Scott LLC | Increased | 36.7K | 220.5K | +183.8K |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | Increased | 340.6K | 516.1K | +175.5K |
| Melone Private Wealth, LLC | Increased | 672.6K | 846.3K | +173.7K |
| ROYAL BANK OF CANADA | Increased | 277.5K | 450.5K | +173.0K |
| Equitable Holdings, Inc. | New | 0 | 170.1K | +170.1K |
| FIFTH THIRD BANCORP | Increased | 23.1K | 168.1K | +145.0K |
| Palogic Value Management, L.P. | Increased | 133.3K | 271.5K | +138.3K |
| BCS Private Wealth Management, Inc. | New | 0 | 135.0K | +135.0K |
| Kingsview Wealth Management, LLC | New | 0 | 124.1K | +124.1K |
| NewEdge Advisors, LLC | Increased | 53.7K | 165.4K | +111.7K |
| Breakwater Capital Group | New | 0 | 110.8K | +110.8K |
| STIFEL FINANCIAL CORP | Reduced | 260.9K | 151.0K | -109.9K |
| Mariner, LLC | Reduced | 159.7K | 53.1K | -106.5K |
| OSAIC HOLDINGS, INC. | Increased | 221.9K | 311.8K | +89.9K |
| North Ground Capital | New | 0 | 89.6K | +89.6K |
| PNC FINANCIAL SERVICES GROUP, INC. | New | 0 | 76.6K | +76.6K |
| CAPTRUST FINANCIAL ADVISORS | New | 0 | 69.1K | +69.1K |
| Focus Partners Wealth | Increased | 35.2K | 97.7K | +62.5K |
| Wealthcare Advisory Partners LLC | New | 0 | 62.2K | +62.2K |
| Baird Financial Group, Inc. | Increased | 157.6K | 217.1K | +59.5K |
| Private Advisor Group, LLC | Increased | 54.3K | 110.2K | +56.0K |
| EVOLVE PRIVATE WEALTH, LLC | New | 0 | 52.2K | +52.2K |
| Steward Partners Investment Advisory, LLC | Increased | 15.7K | 58.1K | +42.4K |
| NATIONS FINANCIAL GROUP INC, /IA/ /ADV | New | 0 | 39.3K | +39.3K |
| AmeriServ Wealth Advisors | New | 0 | 39.1K | +39.1K |
| JANE STREET GROUP, LLC | Increased | 41.2K | 80.1K | +38.9K |
| WEALTH EFFECTS LLC | New | 0 | 37.9K | +37.9K |
| Mutual Advisors, LLC | Increased | 41.0K | 73.8K | +32.7K |
| Compound Planning, Inc. | New | 0 | 32.5K | +32.5K |
| OPPENHEIMER & CO INC | Increased | 20.6K | 51.9K | +31.3K |
| RMR Wealth Builders | New | 0 | 31.2K | +31.2K |
| Aviance Capital Partners, LLC | New | 0 | 31.1K | +31.1K |
| NCM Capital Management, LLC | New | 0 | 30.5K | +30.5K |
| SYKON CAPITAL LLC | New | 0 | 30.3K | +30.3K |
| YHB Investment Advisors, Inc. | Increased | 53.1K | 82.2K | +29.2K |
| Alpine Global Management, LLC | New | 0 | 29.0K | +29.0K |
| Ethos Financial Group, LLC | New | 0 | 28.6K | +28.6K |
| Merit Financial Group, LLC | Increased | 10.7K | 39.2K | +28.5K |
| Ellis Investment Partners, LLC | Increased | 111.4K | 139.4K | +28.0K |
| PEAPACK GLADSTONE FINANCIAL CORP | New | 0 | 27.8K | +27.8K |
| Johnson & White Wealth Management, LLC | New | 0 | 26.9K | +26.9K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.