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Nuveen Municipal High Income Opportunity Fund
NMZ

127 hedge funds and large institutions have $178M invested in Nuveen Municipal High Income Opportunity Fund in 2025 Q2 according to their latest regulatory filings, with 15 funds opening new positions, 47 increasing their positions, 25 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

88% more repeat investments, than reductions

Existing positions increased: 47 | Existing positions reduced: 25

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

0.09% less ownership

Funds ownership: 15.63% → 15.55% (-0.09%)

6% less first-time investments, than exits

New positions opened: 15 | Existing positions closed: 16

2% less funds holding

Funds holding: 130 → 127 (-3)

6% less capital invested

Capital invested by funds: $189M → $178M (-$10.4M)

Holders
127
Holders Change
-3
Holders Change %
-2.31%
% of All Funds
1.67%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
15
Increased
47
Reduced
25
Closed
16
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Stifel Financial
Stifel Financial
Missouri
+$2.18M
2
OIA
OneDigital Investment Advisors
Kansas
+$1.59M
3
LPL Financial
LPL Financial
California
+$991K
4
RPCA
Running Point Capital Advisors
California
+$846K
5
Truist Financial
Truist Financial
North Carolina
+$801K

Top Sellers

Rank Fund Capital Flow
1
AWS
Atria Wealth Solutions
New York
-$3.71M
2
PAS
Park Avenue Securities
New York
-$1.95M
3
Envestnet Asset Management
Envestnet Asset Management
Illinois
-$1.69M
4
SXL
Summit X LLC
Missouri
-$899K
5
UBS Group
UBS Group
Switzerland
-$545K
Name Holding Trade Value Shares
Change 		Change in
Stake
KLCM
76
KG&L Capital Management
Louisiana
$180K +$20.7K +2,000 +13%
HKAM
77
Horizon Kinetics Asset Management
New York
$180K – – –
MA
78
Mutual Advisors
Nebraska
$171K +$3.79K +365 +2%
OC
79
Oppenheimer & Co
New York
$166K +$944 +91 +0.6%
VHAM
80
Van Hulzen Asset Management
California
$162K – – –
DADC
81
D.A. Davidson & Co
Montana
$157K – – –
RCA
82
Ranch Capital Advisors
Florida
$149K -$24.4K -2,355 -14%
TWP
83
Tyche Wealth Partners
Texas
$149K – – –
KPWS
84
Kestra Private Wealth Services
Texas
$144K +$342 +33 +0.2%
BRWA
85
B. Riley Wealth Advisors
Florida
$143K +$143K +13,785 New
MFG
86
Merit Financial Group
Georgia
$138K +$138K +13,302 New
AWG
87
Altus Wealth Group
Colorado
$136K – – –
DAS
88
Dynamic Advisor Solutions
Arizona
$135K +$2.47K +238 +2%
AC
89
AlphaCore Capital
California
$134K +$2.43K +234 +2%
SS
90
Sunbelt Securities
Texas
$130K +$104K +10,061 +503%
BCP
91
Berkeley Capital Partners
Georgia
$126K – – –
SIMG
92
Sonora Investment Management Group
Arizona
$126K – – –
SAM
93
Secure Asset Management
Michigan
$126K +$126K +12,152 New
CIA
94
Concurrent Investment Advisors
Florida
$124K – – –
SWM
95
Spire Wealth Management
Virginia
$124K +$363 +35 +0.3%
SPIA
96
Steward Partners Investment Advisory
New York
$124K -$6.64K -640 -5%
EWA
97
EQ Wealth Advisors
Texas
$124K -$145K -13,957 -54%
HVIA
98
Hudson Valley Investment Advisors
New York
$119K – – –
MCM
99
MAI Capital Management
Ohio
$114K +$70.2K +6,768 +159%
PWP
100
Principle Wealth Partners
Connecticut
$114K – – –
2 3
4
5 6

NMZ Hedge Fund Activity: Q2 2025 in Review

127 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Nuveen Municipal High Income Opportunity Fund (NMZ) for Q2 2025, worth a combined $178M — down 5.5% from $189M a quarter earlier.

Sellers outnumbered buyers: 16 funds closed out of NMZ and 15 opened new positions — a net loss of 1 holder — while 25 trimmed existing stakes and 47 added.

The largest buyer was Stifel Financial, adding an estimated $2.18M. The largest seller was Atria Wealth Solutions, exiting entirely with an estimated $3.71M sold.

  • 127 institutional investors held Nuveen Municipal High Income Opportunity Fund (NMZ) as of Q2 2025, down from 130 in Q1 2025.
  • Funds reported $178M of Nuveen Municipal High Income Opportunity Fund stock for Q2 2025, down 5.5% quarter-over-quarter.
  • 15 funds opened new Nuveen Municipal High Income Opportunity Fund positions in Q2 2025 and 16 closed out, a net change of -1 holder.
  • The largest Nuveen Municipal High Income Opportunity Fund buyer in Q2 2025 was Stifel Financial, an estimated $2.18M added.
  • The largest Nuveen Municipal High Income Opportunity Fund seller in Q2 2025 was Atria Wealth Solutions, an estimated $3.71M sold.

Based on aggregated 13F filings for Q2 2025.