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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
PVM
26
Palogic Value Management
Texas
$1.27M +$38.9K +3,750 +3%
MWS
27
MFA Wealth Services
California
$1.14M +$144K +13,921 +14%
RCG
28
Regatta Capital Group
California
$1.14M – – –
SI
29
Stephens Inc
Arkansas
$1.01M – – –
Mariner
30
Mariner
Kansas
$956K +$112K +10,758 +13%
Cambridge Investment Research Advisors
31
Cambridge Investment Research Advisors
Iowa
$939K -$174K -16,759 -16%
WAM
32
Wakefield Asset Management
Colorado
$911K +$21.6K +2,086 +2%
TCM
33
Traynor Capital Management
Pennsylvania
$887K -$427K -41,150 -33%
Envestnet Asset Management
34
Envestnet Asset Management
Illinois
$843K -$1.69M -163,155 -67%
JWCA
35
J.W. Cole Advisors
Florida
$841K -$94K -9,062 -10%
WANY
36
Wealthspire Advisors (New York)
New York
$824K – – –
NA
37
NewEdge Advisors
Louisiana
$824K +$2.06K +199 +0.3%
Ameriprise
38
Ameriprise
Minnesota
$800K +$37.5K +3,612 +5%
CP
39
Camelot Portfolios
Ohio
$768K +$1.07K +103 +0.1%
AFP
40
Ausdal Financial Partners
Iowa
$730K +$7.86K +758 +1%
WA
41
WESPAC Advisors
California
$729K – – –
VVP
42
Venture Visionary Partners
Ohio
$727K +$311 +30 +0%
SMC
43
Smith, Moore & Co
Missouri
$725K +$106K +10,240 +17%
HI
44
Harbour Investments
Wisconsin
$723K -$1.43K -138 -0.2%
Northwestern Mutual Wealth Management
45
Northwestern Mutual Wealth Management
Wisconsin
$716K +$975 +94 +0.1%
Invesco
46
Invesco
Georgia
$646K -$19.7K -1,901 -3%
CCWA
47
CLA (CliftonLarsonAllen) Wealth Advisors
Minnesota
$621K – – –
PTP
48
Platform Technology Partners
New York
$605K +$605K +58,363 New
P
49
&Partners
Tennessee
$588K +$788 +76 +0.1%
LA
50
LexAurum Advisors
Kansas
$587K +$7.75K +747 +1%
1
2
3 4 5

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.