NUVEEN MUNI HI INC OPPORT (NMZ) Institutional Shareholders
NUVEEN MUNI HI INC OPPORT (NMZ) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $225.66M in NMZ holdings during the latest filing period.
Morgan Stanley is currently the largest disclosed institutional shareholder of NMZ tracked by InsiderSet, reporting ownership valued at approximately $27.67M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $27.08M, representing an estimated loss of -2.12% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 64% of the total disclosed NMZ value among the investors covered in this analysis. Major shareholders include Morgan Stanley, Hennion & Walsh Asset Management, Inc., Guggenheim Capital Llc, and several other long-term asset managers with concentrated positions in NUVEEN MUNI HI INC OPPORT (NMZ).
This page ranks the largest institutional NMZ shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
161
Total Reported Value
$225.66M
Largest Holder
Morgan Stanley
Largest Position
$27.67M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
171
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Morgan Stanley | 0.00% | 2,665,732 | $27,670,299 | $27,083,837 | -$586,462 | -2.12% | |
| Hennion & Walsh Asset Management, Inc. | 0.67% | 2,217,036 | $23,434,071 | $22,525,086 | -$908,985 | -3.88% | |
| Guggenheim Capital Llc | 0.17% | 2,043,438 | $21,210,886 | $20,761,330 | -$449,556 | -2.12% | |
| Ubs Group Ag | 0.00% | 1,919,703 | $19,926,517 | $19,504,182 | -$422,335 | -2.12% | |
| Raymond James Financial Inc | 0.00% | 1,119,962 | $11,625,214 | $11,378,814 | -$246,400 | -2.12% | |
| J.W. Cole Advisors, Inc. | 0.19% | 1,023,649 | $10,819,967 | $10,400,274 | -$419,693 | -3.88% | |
| Wells Fargo & Company/Mn | 0.00% | 878,670 | $9,120,599 | $8,927,287 | -$193,312 | -2.12% | |
| Melone Private Wealth, Llc | 3.41% | 846,287 | $8,945,256 | $8,598,276 | -$346,980 | -3.88% | |
| Lpl Financial Llc | 0.00% | 764,071 | $7,931,052 | $7,762,961 | -$168,091 | -2.12% | |
| Cetera Investment Advisers | 0.00% | 397,625 | $4,127,352 | $4,039,870 | -$87,482 | -2.12% | |
| Bank Of America Corp | 0.00% | 389,199 | $4,039,884 | $3,954,262 | -$85,622 | -2.12% | |
| Northwestern Mutual Wealth Management Co | 0.00% | 340,621 | $3,535,643 | $3,460,709 | -$74,934 | -2.12% | |
| Robinson Capital Management, Llc | 1.52% | 332,674 | $3,386,622 | $3,379,968 | -$6,654 | -0.20% | |
| Gridiron Partners, Llc | 2.03% | 319,835 | $3,319,887 | $3,249,524 | -$70,363 | -2.12% | |
| Royal Bank Of Canada | 0.00% | 277,517 | $2,881,000 | $2,819,573 | -$61,427 | -2.13% | |
| Advisors Asset Management, Inc. | 0.05% | 262,394 | $2,723,650 | $2,665,923 | -$57,727 | -2.12% | |
| Stifel Financial Corp | 0.00% | 260,916 | $2,708,307 | $2,650,907 | -$57,400 | -2.12% | |
| Osaic Holdings, Inc. | 0.00% | 221,890 | $2,303,311 | $2,254,402 | -$48,909 | -2.12% | |
| Commonwealth Equity Services, Llc | 0.00% | 220,069 | $2,284,312 | $2,235,901 | -$48,411 | -2.12% | |
| Platform Technology Partners | 0.33% | 193,277 | $2,042,938 | $1,963,694 | -$79,244 | -3.88% | |
| Onedigital Investment Advisors Llc | 0.02% | 186,486 | $1,935,720 | $1,894,698 | -$41,022 | -2.12% | |
| Kestra Advisory Services, Llc | 0.01% | 171,598 | $1,781,191 | $1,743,436 | -$37,755 | -2.12% | |
| Mariner, Llc | 0.00% | 159,675 | $1,657,431 | $1,622,298 | -$35,133 | -2.12% | |
| Ae Wealth Management Llc | 0.01% | 158,856 | $1,648,929 | $1,613,977 | -$34,952 | -2.12% | |
| Baird Financial Group, Inc. | 0.00% | 157,561 | $1,635,483 | $1,600,820 | -$34,663 | -2.12% | |
| Pfg Investments, Llc | 0.06% | 141,199 | $1,492,478 | $1,434,582 | -$57,896 | -3.88% | |
| High Net Worth Advisory Group Llc | 0.34% | 140,264 | $1,455,943 | $1,425,082 | -$30,861 | -2.12% | |
| Truist Financial Corp | 0.00% | 138,994 | $1,442,754 | $1,412,179 | -$30,575 | -2.12% | |
| Palogic Value Management, L.P. | 0.61% | 133,250 | $1,383,135 | $1,353,820 | -$29,315 | -2.12% | |
| Rockefeller Capital Management L.P. | 0.00% | 131,227 | $1,362,143 | $1,333,266 | -$28,877 | -2.12% | |
| Highpoint Advisor Group Llc | 0.05% | 125,194 | $1,299,515 | $1,271,971 | -$27,544 | -2.12% | |
| Cerity Partners Llc | 0.00% | 118,083 | $1,225,701 | $1,199,723 | -$25,978 | -2.12% | |
| Breakwater Capital Group | 0.14% | 110,775 | $1,170,892 | $1,125,474 | -$45,418 | -3.88% | |
| Ellis Investment Partners, Llc | 0.20% | 111,427 | $1,156,620 | $1,132,098 | -$24,522 | -2.12% | |
| Wakefield Asset Management Lllp | 0.28% | 101,823 | $1,057,422 | $1,034,522 | -$22,900 | -2.17% | |
| Mfa Wealth Services | 0.60% | 95,615 | $1,010,654 | $971,448 | -$39,206 | -3.88% | |
| &Partners | 0.00% | 93,425 | $969,756 | $949,198 | -$20,558 | -2.12% | |
| Ameriprise Financial Inc | 0.00% | 91,111 | $945,730 | $925,688 | -$20,042 | -2.12% | |
| Ausdal Financial Partners, Inc. | 0.04% | 84,715 | $879,966 | $860,704 | -$19,262 | -2.19% | |
| Yhb Investment Advisors, Inc. | 0.06% | 82,213 | $868,991 | $835,284 | -$33,707 | -3.88% | |
| Envestnet Asset Management Inc | 0.00% | 81,601 | $847,022 | $829,066 | -$17,956 | -2.12% | |
| Tcp Asset Management, Llc | 0.09% | 77,231 | $816,332 | $784,667 | -$31,665 | -3.88% | |
| Wespac Advisors, Llc | 0.41% | 72,603 | $753,619 | $737,646 | -$15,973 | -2.12% | |
| Worthington Financial Partners, Llc | 0.62% | 70,330 | $743,383 | $714,553 | -$28,830 | -3.88% | |
| Eq Wealth Advisors, Llc | 0.41% | 70,022 | $740,137 | $711,424 | -$28,713 | -3.88% | |
| Venture Visionary Partners Llc | 0.02% | 70,191 | $728,587 | $713,141 | -$15,446 | -2.12% | |
| Camelot Portfolios, Llc | 0.50% | 67,263 | $710,965 | $683,392 | -$27,573 | -3.88% | |
| Wealthcare Advisory Partners Llc | 0.01% | 62,179 | $657,227 | $631,739 | -$25,488 | -3.88% | |
| Private Advisor Group, Llc | 0.00% | 54,264 | $563,260 | $551,322 | -$11,938 | -2.12% | |
| Xtx Topco Ltd | 0.01% | 49,330 | $512,045 | $501,193 | -$10,852 | -2.12% |
Frequently asked questions about NMZ
Who owns the most NMZ stock?
The largest holders of NMZ are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for NUVEEN MUNI HI INC OPPORT (NMZ).
Is NMZ widely held by superinvestors?
Many widely followed stocks like NMZ appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly NMZ is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.