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NMZ · Nuveen Municipal High Income Opportunity Fund

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$10.06 -0.05 (-0.49%)
Market Cap
$2.18B
Shares
215.37M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 213
Total Value: $358,694,542
Total Shares: 33,935,161

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 213 13F filers · Δ vs Mar 31, 2026
Top Holder
9.3%
Sep 2023 → Jun 2026 · range 9.3% – 15.8%
−3.9 pts
Top 5
36.7%
Sep 2023 → Jun 2026 · range 36.7% – 47.5%
−9.8 pts
Top 10
56.5%
Sep 2023 → Jun 2026 · range 54.1% – 65.3%
−6.9 pts
HHI
409
Sep 2023 → Jun 2026 · range 409 – 594
Broadly held−146

Quarterly Activity

vs Mar 31, 2026
New
89
Increased
80
Decreased
20
Sold Out
15
Unchanged
24
Holder count: +74
Institutional value: +71.4%
Shares held: +68.3%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open
WELLS FARGO & COMPANY/MN +1,480,618 2,359,288
RAYMOND JAMES FINANCIAL INC +810,274 1,930,236
BANK OF AMERICA CORP /DE/ +723,642 1,112,841
Cetera Investment Advisers +604,904 1,002,529
Hennion & Walsh Asset Management, Inc. +577,934 2,217,036

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open
UBS Group AG −388,040 1,531,663
Gridiron Partners, LLC −218,213 101,622
STIFEL FINANCIAL CORP −109,892 151,024
Mariner, LLC −106,540 53,135
XTX Topco Ltd −25,742 23,588

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open
SIT INVESTMENT ASSOCIATES INC 2,336,943 $24,701,487
RIVERNORTH CAPITAL MANAGEMENT, LLC 1,049,891 $11,097,347
J.W. COLE ADVISORS, INC. 1,023,649 $10,819,969
HighTower Advisors, LLC 265,084 $2,801,937
Equitable Holdings, Inc. 170,091 $1,797,861

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
ROBINSON CAPITAL MANAGEMENT, LLC 332,674 $3,453,156
HBK Sorce Advisory LLC 17,569 $182,366
CITADEL ADVISORS LLC 13,891 $144,188
D.A. DAVIDSON & CO. 11,930 $123,833
SMITH CHAS P & ASSOCIATES PA CPAS 11,800 $122,484
Filter: New 89 Increased 80 Reduced 20 Sold out 15 Unchanged 24
Showing 100 of 213
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
MORGAN STANLEY $33,486,244 9.34% 3,168,046
GUGGENHEIM CAPITAL LLC $25,122,236 7.00% 2,376,749
WELLS FARGO & COMPANY/MN $24,937,673 6.95% 2,359,288
SIT INVESTMENT ASSOCIATES INC $24,701,487 6.89% 2,336,943
Hennion & Walsh Asset Management, Inc. $23,434,070 6.53% 2,217,036
RAYMOND JAMES FINANCIAL INC $20,402,593 5.69% 1,930,236
UBS Group AG $16,189,677 4.51% 1,531,663
BANK OF AMERICA CORP /DE/ $11,762,729 3.28% 1,112,841
LPL Financial LLC $11,419,880 3.18% 1,080,405
VAN ECK ASSOCIATES CORP $11,166,560 3.11% 1,056,439
RIVERNORTH CAPITAL MANAGEMENT, LLC $11,097,347 3.09% 1,049,891
J.W. COLE ADVISORS, INC. $10,819,969 3.02% 1,023,649
Cetera Investment Advisers $10,596,731 2.95% 1,002,529
Melone Private Wealth, LLC $8,945,253 2.49% 846,287
Rockefeller Capital Management L.P. $6,258,010 1.74% 592,054
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO $5,455,124 1.52% 516,095
ROYAL BANK OF CANADA $4,761,953 1.33% 450,516
COMMONWEALTH EQUITY SERVICES, LLC $4,724,314 1.32% 446,955
OSAIC HOLDINGS, INC. $3,295,651 0.92% 311,793
Advisors Asset Management, Inc. $2,874,458 0.80% 271,945
HighTower Advisors, LLC $2,801,937 0.78% 265,084
Janney Montgomery Scott LLC $2,330,663 0.65% 220,498
Baird Financial Group, Inc. $2,294,366 0.64% 217,064
Platform Technology Partners $2,042,937 0.57% 193,277
Kestra Advisory Services, LLC $2,008,152 0.56% 189,986
OneDigital Investment Advisors LLC $1,983,227 0.55% 187,628
AE Wealth Management LLC $1,827,732 0.51% 172,917
Equitable Holdings, Inc. $1,797,861 0.50% 170,091
FIFTH THIRD BANCORP $1,776,743 0.50% 168,093
NewEdge Advisors, LLC $1,748,362 0.49% 165,408
STIFEL FINANCIAL CORP $1,596,323 0.45% 151,024
HighPoint Advisor Group LLC $1,566,040 0.44% 148,159
Cambridge Investment Research Advisors, Inc. $1,515,103 0.42% 143,340
PFG Investments, LLC $1,492,473 0.42% 141,199
Ellis Investment Partners, LLC $1,473,257 0.41% 139,381
TRUIST FINANCIAL CORP $1,444,368 0.40% 136,648
High Net Worth Advisory Group LLC $1,441,166 0.40% 136,345
Palogic Value Management, L.P. $1,434,877 0.40% 135,750
BCS Private Wealth Management, Inc. $1,426,463 0.40% 134,954
Kingsview Wealth Management, LLC $1,312,180 0.37% 124,142
Cerity Partners LLC $1,240,357 0.35% 117,347
AMERIPRISE FINANCIAL INC $1,226,943 0.34% 116,078
Wakefield Asset Management LLLP $1,223,139 0.34% 115,718
Breakwater Capital Group $1,170,891 0.33% 110,775
Private Advisor Group, LLC $1,164,972 0.32% 110,215
Gridiron Partners, LLC $1,074,144 0.30% 101,622
Focus Partners Wealth $1,032,932 0.29% 97,723
&PARTNERS $1,027,625 0.29% 97,221
MFA Wealth Services $1,010,650 0.28% 95,615
Venture Visionary Partners LLC $978,581 0.27% 92,581
North Ground Capital $947,072 0.26% 89,600
Ausdal Financial Partners, Inc. $939,197 0.26% 88,855
ENVESTNET ASSET MANAGEMENT INC $903,132 0.25% 85,443
YHB Investment Advisors, Inc. $868,991 0.24% 82,213
JANE STREET GROUP, LLC $847,121 0.24% 80,144
Thompson David Blair $842,460 0.23% 79,703
TCP Asset Management, LLC $816,331 0.23% 77,231
PNC FINANCIAL SERVICES GROUP, INC. $810,082 0.23% 76,640
Mutual Advisors, LLC $779,643 0.22% 73,760
WESPAC Advisors, LLC $767,413 0.21% 72,603
Worthington Financial Partners, LLC $743,387 0.21% 70,330
EQ WEALTH ADVISORS, LLC $740,132 0.21% 70,022
CAPTRUST FINANCIAL ADVISORS $730,587 0.20% 69,119
Camelot Portfolios, LLC $710,969 0.20% 67,263
Wealthcare Advisory Partners LLC $657,232 0.18% 62,179
SMITH, MOORE & CO. $633,956 0.18% 59,977
Steward Partners Investment Advisory, LLC $613,683 0.17% 58,059
Mariner, LLC $561,636 0.16% 53,135
EVOLVE PRIVATE WEALTH, LLC $551,827 0.15% 52,207
OPPENHEIMER & CO INC $548,350 0.15% 51,878
Traynor Capital Management, Inc. $478,070 0.13% 45,229
Core Wealth Partners LLC $471,411 0.13% 44,599
Secure Asset Management, LLC $445,948 0.12% 42,190
MELFA WEALTH MANAGEMENT, INC. $439,437 0.12% 41,574
SUSQUEHANNA INTERNATIONAL GROUP, LLP $438,570 0.12% 41,492
HARBOUR INVESTMENTS, INC. $434,226 0.12% 41,081
NATIONS FINANCIAL GROUP INC, /IA/ /ADV $415,686 0.12% 39,327
Merit Financial Group, LLC $414,809 0.12% 39,244
AmeriServ Wealth Advisors $413,678 0.12% 39,137
CLIFTONLARSONALLEN WEALTH ADVISORS, LLC $406,078 0.11% 38,418
WEALTH EFFECTS LLC $400,581 0.11% 37,898
Everstar Asset Management, LLC $396,681 0.11% 37,529
IBEX WEALTH ADVISORS $396,596 0.11% 37,521
Ashton Thomas Private Wealth, LLC $364,527 0.10% 34,487
Signal Advisors Wealth, LLC $356,758 0.10% 33,752
Noble Wealth Management PBC $349,042 0.10% 33,022
Compound Planning, Inc. $343,017 0.10% 32,452
RMR Wealth Builders $329,593 0.09% 31,182
Aviance Capital Partners, LLC $328,970 0.09% 31,123
NCM Capital Management, LLC $321,867 0.09% 30,451
Capital Investment Advisors, LLC $321,053 0.09% 30,374
SYKON CAPITAL LLC $319,964 0.09% 30,271
Kercheville Advisors, LLC $310,377 0.09% 29,364
Creative Planning $307,185 0.09% 29,062
Alpine Global Management, LLC $306,318 0.09% 28,980
MGO ONE SEVEN LLC $302,513 0.08% 28,620
Ethos Financial Group, LLC $302,122 0.08% 28,583
PEAPACK GLADSTONE FINANCIAL CORP $293,496 0.08% 27,767
Johnson & White Wealth Management, LLC $284,766 0.08% 26,941
Focus Partners Advisor Solutions, LLC $284,724 0.08% 26,937
Key facts CIK 1266585 CUSIP 670682103 13F (30d) 170 filings 169 filers Visit website

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