NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND - NMZ

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 2 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
MORGAN STANLEY History Added to 2,622,749 26,725 0.0% 0.0% 1 +132,909 5.34% Q4 2025 Feb 13, 2026
UBS Group AG History Added to 2,031,169 20,697 0.0% 0.0% 2 +72,869 3.72% Q4 2025 Jan 29, 2026
GUGGENHEIM CAPITAL LLC History Added to 1,816,855 18,513 0.13% 0.13% 3 +172,150 10.47% Q4 2025 Feb 17, 2026
Hennion & Walsh Asset Management, Inc. History Added to 1,140,557 11,622 0.4% 0.28% 4 +416,337 57.49% Q4 2025 Jan 14, 2026
RAYMOND JAMES FINANCIAL INC History Reduced 1,080,423 11,009 0.0% 0.0% 5 -44,738 -3.98% Q4 2025 Feb 18, 2026
WELLS FARGO & COMPANY/MN History Reduced 849,487 8,656 0.0% 0.0% 6 -4,973 -0.58% Q4 2025 Feb 13, 2026
LPL Financial LLC History Added to 731,023 7,449 0.0% 0.0% 7 +128,087 21.24% Q4 2025 Feb 11, 2026
Melone Private Wealth, LLC History Added to 656,100 6,685 2.84% 2.85% 8 +62,241 10.48% Q4 2025 Jan 07, 2026
VAN ECK ASSOCIATES CORP History Added to 603,224 6,147 0.01% 0.0% 9 +149,902 33.07% Q4 2025 Feb 13, 2026
Gridiron Partners, LLC History Reduced 434,778 4,430 2.52% 2.62% 10 -1,214,594 -73.64% Q4 2025 Jan 08, 2026
BANK OF AMERICA CORP /DE/ History Reduced 423,066 4,311 0.0% 0.0% 11 -123,378 -22.58% Q4 2025 Feb 17, 2026
Cetera Investment Advisers History Reduced 358,987 3,658 0.0% 0.0% 12 -43,073 -10.71% Q4 2025 Feb 17, 2026
ROYAL BANK OF CANADA History New 267,856 2,729 0.0% 13 +267,856 New Q4 2025 Feb 17, 2026
STIFEL FINANCIAL CORP History Added to 260,942 2,658 0.0% 0.0% 14 +374 0.14% Q4 2025 Feb 13, 2026
JANE STREET GROUP, LLC History Added to 259,389 2,643 0.0% 0.0% 15 +242,223 1411.06% Q4 2025 Feb 12, 2026
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO History Added to 239,941 2,444 0.0% 0.0% 16 +615 0.26% Q4 2025 Feb 10, 2026
OSAIC HOLDINGS, INC. History Reduced 210,652 2,146 0.0% 0.0% 17 -18,157 -7.94% Q4 2025 Feb 17, 2026
COMMONWEALTH EQUITY SERVICES, LLC History Reduced 209,356 2,133 0.0% 0.0% 18 -21,518 -9.32% Q4 2025 Feb 12, 2026
OneDigital Investment Advisors LLC History Reduced 184,586 1,880 0.02% 0.02% 19 -35,730 -16.22% Q4 2025 Feb 13, 2026
Advisors Asset Management, Inc. History New 167,745 1,709 0.03% 20 +167,745 New Q4 2025 Feb 12, 2026
Platform Technology Partners History Added to 163,235 1,663 0.35% 0.18% 21 +93,732 134.86% Q4 2025 Feb 13, 2026
Mariner, LLC History Added to 157,813 1,608 0.0% 0.0% 22 +67,137 74.04% Q4 2025 Feb 13, 2026
Baird Financial Group, Inc. History Reduced 157,489 1,604 0.0% 0.0% 23 -43,552 -21.66% Q4 2025 Feb 13, 2026
Kestra Advisory Services, LLC History Reduced 152,882 1,557 0.01% 0.01% 24 -22,904 -13.03% Q4 2025 Feb 13, 2026
High Net Worth Advisory Group LLC History Reduced 151,046 1,539 0.35% 0.59% 25 -78,693 -34.25% Q4 2025 Jan 23, 2026
AE Wealth Management LLC History Reduced 138,157 1,407 0.01% 0.01% 26 -951 -0.68% Q4 2025 Jan 26, 2026
Rockefeller Capital Management L.P. History Reduced 137,991 1,406 0.0% 0.0% 27 -10,841 -7.28% Q4 2025 Mar 16, 2026
Palogic Value Management, L.P. History Reduced 131,250 1,337 0.56% 0.56% 28 -450 -0.34% Q4 2025 Feb 17, 2026
TRUIST FINANCIAL CORP History Reduced 129,950 1,324 0.0% 0.0% 29 -738 -0.56% Q4 2025 Feb 02, 2026
PFG Investments, LLC History Reduced 126,401 1,288 0.06% 0.1% 30 -49,755 -28.24% Q4 2025 Jan 26, 2026
Running Point Capital Advisors, LLC History Reduced 116,659 1,188 0.32% 0.33% 31 -1,351 -1.14% Q4 2025 Feb 17, 2026
MFA Wealth Services History Reduced 108,654 1,107 0.75% 0.82% 32 -4,086 -3.62% Q4 2025 Jan 15, 2026
Ellis Investment Partners, LLC History New 105,890 1,079 0.19% 33 +105,890 New Q4 2025 Feb 02, 2026
AMERIPRISE FINANCIAL INC History Added to 97,742 995 0.0% 0.0% 34 +20,542 26.61% Q4 2025 Feb 17, 2026
&PARTNERS History Added to 93,078 948 0.0% 0.0% 35 +36,300 63.93% Q4 2025 Feb 17, 2026
Wakefield Asset Management LLLP History Added to 91,376 931 0.25% 0.26% 36 +2,508 2.82% Q4 2025 Feb 05, 2026
ENVESTNET ASSET MANAGEMENT INC History Added to 82,298 838 0.0% 0.0% 37 +13,717 20.0% Q4 2025 Feb 10, 2026
Cambridge Investment Research Advisors, Inc. History Reduced 81,331 829 0.0% 0.0% 38 -13,552 -14.28% Q4 2025 Feb 05, 2026
J.W. COLE ADVISORS, INC. History Added to 80,007 815 0.02% 0.02% 39 +607 0.76% Q4 2025 Feb 11, 2026
SMITH, MOORE & CO. History Reduced 78,545 800 0.06% 0.07% 40 -1,748 -2.18% Q4 2025 Jan 23, 2026
Camelot Portfolios, LLC History Reduced 73,084 744 0.46% 0.49% 41 -4,929 -6.32% Q4 2025 Jan 29, 2026
WESPAC Advisors, LLC History Added to 72,603 739 0.4% 0.43% 42 +2,329 3.31% Q4 2025 Jan 14, 2026
Ausdal Financial Partners, Inc. History Added to 71,080 724 0.03% 0.04% 43 +368 0.52% Q4 2025 Feb 13, 2026
Worthington Financial Partners, LLC History New 70,200 715 0.63% 45 +70,200 New Q4 2025 Mar 05, 2026
Venture Visionary Partners LLC History Added to 70,170 715 0.02% 0.03% 44 +43 0.06% Q4 2025 Feb 13, 2026
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. History New 65,058 662 0.04% 46 +65,058 New Q4 2025 Feb 13, 2026
EQ WEALTH ADVISORS, LLC History Added to 63,646 648 0.38% 0.36% 47 +12,409 24.22% Q4 2025 Feb 02, 2026
READYSTATE ASSET MANAGEMENT LP History New 58,460 595 0.02% 48 +58,460 New Q4 2025 Feb 17, 2026
NewEdge Advisors, LLC History Reduced 57,633 587 0.0% 0.0% 49 -15,228 -20.9% Q4 2025 Feb 18, 2026
Traynor Capital Management, Inc. History Reduced 54,317 553 0.03% 0.05% 50 -20,860 -27.75% Q4 2025 Jan 12, 2026
Private Advisor Group, LLC History Added to 51,720 527 0.0% 0.0% 51 +2,556 5.2% Q4 2025 Feb 17, 2026
Core Wealth Partners LLC History Added to 44,540 453 0.2% 0.22% 52 +46 0.1% Q4 2025 Feb 17, 2026
HARBOUR INVESTMENTS, INC. History Reduced 41,888 426 0.01% 0.01% 53 -83 -0.2% Q4 2025 Feb 09, 2026
CLIFTONLARSONALLEN WEALTH ADVISORS, LLC History Reduced 38,418 391 0.01% 0.01% 54 -19,815 -34.03% Q4 2025 Jan 22, 2026
Everstar Asset Management, LLC History Reduced 35,258 359 0.19% 0.23% 55 -3,800 -9.73% Q4 2025 Feb 05, 2026
Focus Partners Wealth History New 35,229 358 0.0% 56 +35,229 New Q4 2025 Feb 13, 2026
Noble Wealth Management PBC History Added to 34,967 356 0.18% 0.11% 57 +15,303 77.82% Q4 2025 Jan 05, 2026
StoneX Group Inc. History Added to 34,622 352 0.02% 0.01% 58 +9,572 38.21% Q4 2025 Feb 12, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History New 34,466 351 0.0% 59 +34,466 New Q4 2025 Feb 17, 2026
IBEX WEALTH ADVISORS History No change 33,739 343 0.03% 0.03% 60 0 0.0% Q4 2025 Feb 17, 2026
Janney Montgomery Scott LLC History Added to 33,353 340 0.0% 0.0% 61 +705 2.16% Q4 2025 Feb 11, 2026
Arax Advisory Partners History Reduced 31,210 318 0.01% 0.01% 62 -31,547 -50.27% Q4 2025 Feb 13, 2026
Capital Investment Advisors, LLC History Reduced 30,489 310 0.0% 0.01% 63 -667 -2.14% Q4 2025 Jan 13, 2026
XTX Topco Ltd History New 28,366 289 0.01% 64 +28,366 New Q4 2025 Feb 17, 2026
FF Advisors,LLC History New 27,413 279 0.12% 66 +27,413 New Q4 2025 Feb 13, 2026
MGO ONE SEVEN LLC History Reduced 27,437 279 0.01% 0.01% 65 -12,237 -30.84% Q4 2025 Feb 03, 2026
Marex Group plc History New 27,100 276 0.0% 67 +27,100 New Q4 2025 Feb 12, 2026
Plan Group Financial, LLC History No change 25,114 255 0.07% 0.07% 68 0 0.0% Q4 2025 Feb 03, 2026
WEDBUSH SECURITIES INC History Reduced 23,707 242 0.01% 0.01% 69 -6,780 -22.24% Q4 2025 Feb 12, 2026
WOLVERINE ASSET MANAGEMENT LLC History New 23,586 240 0.0% 70 +23,586 New Q4 2025 Feb 02, 2026
DUNCKER STREETT & CO INC History No change 22,900 233 0.04% 0.04% 71 0 0.0% Q4 2025 Jan 27, 2026
Ashton Thomas Private Wealth, LLC History Added to 22,087 225 0.01% 0.01% 72 +1,900 9.41% Q4 2025 Jan 29, 2026
COMERICA BANK History Added to 21,189 215 0.0% 0.0% 73 +16,639 365.69% Q4 2025 Jan 29, 2026
Mutual Advisors, LLC History Added to 20,687 210 0.0% 0.0% 74 +1,127 5.76% Q4 2025 Feb 02, 2026
OPPENHEIMER & CO INC History Added to 20,432 208 0.0% 0.0% 75 +300 1.49% Q4 2025 Feb 02, 2026
MELFA WEALTH MANAGEMENT, INC. History No change 19,802 201 0.12% 0.12% 76 0 0.0% Q4 2025 Jan 16, 2026
KG&L Capital Management,LLC History Reduced 17,800 181 0.04% 0.05% 77 -1,000 -5.32% Q4 2025 Jan 23, 2026
Kercheville Advisors, LLC History Added to 17,563 181 0.05% 0.06% 78 +32 0.18% Q4 2025 Jan 29, 2026
Creative Planning History No change 17,332 176 0.0% 0.0% 79 0 0.0% Q4 2025 Feb 17, 2026
Arkos Global Advisors History Reduced 16,290 166 0.02% 0.04% 80 -14,600 -47.26% Q4 2025 Feb 13, 2026
Dynamic Advisor Solutions LLC History Added to 15,087 153 0.0% 0.0% 81 +360 2.44% Q4 2025 Jan 09, 2026
Abel Hall, LLC History New 15,000 152 0.04% 82 +15,000 New Q4 2025 Feb 17, 2026
Ranch Capital Advisors Inc. History Added to 14,748 150 0.06% 0.06% 83 +902 6.51% Q4 2025 Feb 05, 2026
Cane Capital Partners, LLC History New 14,400 146 0.06% 85 +14,400 New Q4 2025 Jan 21, 2026
Tyche Wealth Partners LLC History No change 14,349 146 0.02% 0.03% 84 0 0.0% Q4 2025 Jan 23, 2026
GRIMES & Co WEALTH MANAGEMENT, LLC History New 13,767 140 0.0% 86 +13,767 New Q4 2025 Feb 03, 2026
XML Financial, LLC History New 12,700 129 0.01% 88 +12,700 New Q4 2025 Feb 11, 2026
THRIVENT FINANCIAL FOR LUTHERANS History No change 12,530 129 0.0% 0.0% 87 0 0.0% Q4 2025 Feb 05, 2026
CITADEL ADVISORS LLC History New 12,468 127 0.0% 89 +12,468 New Q4 2025 Feb 17, 2026
D.A. DAVIDSON & CO. History Reduced 11,930 121 0.0% 0.0% 90 -3,219 -21.25% Q4 2025 Jan 29, 2026
Concurrent Investment Advisors, LLC History No change 11,964 121 0.0% 0.0% 91 0 0.0% Q4 2025 Jan 29, 2026
Merit Financial Group, LLC History Reduced 11,872 120 0.0% 0.0% 92 -715 -5.68% Q4 2025 Jan 26, 2026
AlphaCore Capital LLC History Added to 11,864 120 0.0% 0.0% 93 +291 2.51% Q4 2025 Feb 05, 2026
Berkeley Capital Partners, LLC History No change 11,573 117 0.03% 0.03% 94 0 0.0% Q4 2025 Feb 05, 2026
BLUELINE ADVISORS LLC History New 11,278 114 0.09% 95 +11,278 New Q4 2025 Feb 10, 2026
Principle Wealth Partners LLC History No change 11,000 112 0.01% 0.01% 96 0 0.0% Q4 2025 Feb 06, 2026
Secure Asset Management, LLC History Added to 10,525 107 0.02% 0.02% 97 +444 4.4% Q4 2025 Jan 20, 2026
Sage Capital Management, LLC History No change 10,500 106 0.05% 0.05% 98 0 0.0% Q4 2025 Jan 15, 2026
Van Hulzen Asset Management, LLC History Reduced 10,312 105 0.01% 0.01% 99 -5,345 -34.14% Q4 2025 Feb 06, 2026
Snowden Capital Advisors LLC History No change 10,291 104 0.0% 0.0% 100 0 0.0% Q4 2025 Feb 17, 2026
DIVERSIFY WEALTH MANAGEMENT, LLC History No change 10,000 104 0.0% 0.01% 101 0 0.0% Q4 2025 Feb 03, 2026
Spire Wealth Management History Reduced 10,041 102 0.0% 0.0% 103 -1,945 -16.23% Q4 2025 Jan 14, 2026
Ceeto Capital Group, LLC History No change 10,000 102 0.03% 0.03% 102 0 0.0% Q4 2025 Feb 13, 2026
Intellus Advisors LLC History No change 10,000 101 0.01% 0.01% 104 0 0.0% Q4 2025 Feb 06, 2026
Steward Partners Investment Advisory, LLC History Added to 9,184 93 0.0% 0.0% 105 +2,272 32.87% Q4 2025 Feb 12, 2026
MAI Capital Management History Reduced 8,940 91 0.0% 0.0% 106 -2,098 -19.01% Q4 2025 Feb 13, 2026
Garton & Associates Financial Advisors LLC History New 8,862 90 0.05% 107 +8,862 New Q4 2025 Feb 18, 2026
Global Retirement Partners, LLC History Added to 6,779 69 0.0% 0.0% 108 +6,450 1960.49% Q4 2025 Feb 06, 2026
Allworth Financial LP History New 6,000 61 0.0% 109 +6,000 New Q4 2025 Feb 05, 2026
N.E.W. Advisory Services LLC History No change 6,000 61 0.0% 0.01% 110 0 0.0% Q4 2025 Jan 28, 2026
Farther Finance Advisors, LLC History Added to 3,721 37 0.0% 0.0% 111 +374 11.17% Q4 2025 Jan 23, 2026
US BANCORP \DE\ History No change 3,000 30 0.0% 0.0% 112 0 0.0% Q4 2025 Jan 30, 2026
CWM, LLC History No change 1,924 20 0.0% 0.0% 113 0 0.0% Q4 2025 Jan 26, 2026
HIGHLINE WEALTH PARTNERS LLC History No change 2,000 20 0.01% 0.01% 114 0 0.0% Q4 2025 Jan 15, 2026
WEBSTER BANK, N. A. History No change 1,500 15 0.0% 0.0% 115 0 0.0% Q4 2025 Jan 23, 2026
PRIVATE TRUST CO NA History No change 1,200 12 0.0% 0.0% 116 0 0.0% Q4 2025 Jan 26, 2026
IFP Advisors, Inc History Reduced 1,150 11 0.0% 0.0% 117 -300 -20.69% Q4 2025 Feb 06, 2026
Sound Income Strategies, LLC History Added to 1,110 11 0.0% 0.0% 118 +21 1.93% Q4 2025 Jan 21, 2026
TRUST CO OF TOLEDO NA /OH/ History No change 1,000 10 0.0% 0.0% 119 0 0.0% Q4 2025 Jan 20, 2026
Manchester Capital Management LLC History No change 1,000 10 0.0% 0.0% 120 0 0.0% Q4 2025 Feb 11, 2026
Turning Point Benefit Group, Inc. History No change 1,004 10 0.01% 0.01% 121 0 0.0% Q4 2025 Jan 30, 2026
Nova Wealth Management, Inc. History New 925 9 0.01% 122 +925 New Q4 2025 Jan 14, 2026
INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC History New 679 6 0.0% 123 +679 New Q4 2025 Feb 03, 2026
MARYLAND CAPITAL ADVISORS INC. History New 427 4 0.0% 125 +427 New Q4 2025 Jan 20, 2026
CoreFirst Bank & Trust History No change 403 4 0.0% 0.0% 124 0 0.0% Q4 2025 Feb 11, 2026
ASSETMARK, INC History New 336 3 0.0% 126 +336 New Q4 2025 Jan 23, 2026
AMERICAN NATIONAL BANK & TRUST History No change 281 2 0.0% 0.0% 127 0 0.0% Q4 2025 Jan 20, 2026
REGATTA CAPITAL GROUP, LLC History Closed out 0 0 0.18% -109,768 -100.0% Q3 2025 Oct 17, 2025
Invesco Ltd. History Closed out 0 0 0.0% -36,732 -100.0% Q3 2025 Nov 13, 2025
Williams Jones Wealth Management, LLC. History Closed out 0 0 0.0% -34,963 -100.0% Q3 2025 Nov 14, 2025
Focus Financial Network, Inc. History Closed out 0 0 0.01% -30,301 -100.0% Q3 2025 Oct 10, 2025
KESTRA PRIVATE WEALTH SERVICES, LLC History Closed out 0 0 0.0% -16,907 -100.0% Q3 2025 Nov 17, 2025
HRT FINANCIAL LP History Closed out 0 0 0.0% -15,909 -100.0% Q3 2025 Nov 14, 2025
B. Riley Wealth Advisors, Inc. History Closed out 0 0 0.01% -11,968 -100.0% Q3 2025 Oct 31, 2025
Orange Investment Advisors, Inc. History Closed out 0 0 0.01% -11,500 -100.0% Q3 2025 Oct 16, 2025
HORIZON KINETICS ASSET MANAGEMENT LLC History Closed out 0 0 0.0% -10,369 -100.0% Q3 2025 Nov 14, 2025
FIFTH THIRD BANCORP History Closed out 0 0 0.0% -8,010 -100.0% Q3 2025 Nov 07, 2025
Advisory Services Network, LLC History Closed out 0 0 0.0% -6,965 -100.0% Q3 2025 Nov 18, 2025
CX Institutional History Closed out 0 0 0.0% -2,065 -100.0% Q3 2025 Oct 23, 2025
Johnson Financial Group, Inc. History Closed out 0 0 0.0% -715 -100.0% Q3 2025 Nov 13, 2025
Key FInancial Inc History Closed out 0 0 -11 -100.0% Q3 2025 Nov 05, 2025
Tower Research Capital LLC (TRC) History Reduced 9 0 -10 -52.63% Q4 2025 Feb 17, 2026