We are live on ! Find out more
NMZ icon

Nuveen Municipal High Income Opportunity Fund
NMZ

137 hedge funds and large institutions have $208M invested in Nuveen Municipal High Income Opportunity Fund in 2026 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 60 increasing their positions, 22 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

173% more repeat investments, than reductions

Existing positions increased: 60 | Existing positions reduced: 22

91% more first-time investments, than exits

New positions opened: 21 | Existing positions closed: 11

8% more capital invested

Capital invested by funds: $193M → $208M (+$15.4M)

5% more funds holding

Funds holding: 131 → 137 (+6)

0.99% more ownership

Funds ownership: 16.45% → 17.45% (+0.99%)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

Holders
137
Holders Change
+6
Holders Change %
+4.58%
% of All Funds
1.69%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
21
Increased
60
Reduced
22
Closed
11
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
HWAM
Hennion & Walsh Asset Management
New Jersey
+$5.21M
2
RCM
Robinson Capital Management
Michigan
+$3.48M
3
GC
Guggenheim Capital
Illinois
+$2.37M
4
Cerity Partners
Cerity Partners
New York
+$1.23M
5
Northwestern Mutual Wealth Management
Northwestern Mutual Wealth Management
Wisconsin
+$1.05M

Top Sellers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
-$2.28M
2
GP
Gridiron Partners
Pennsylvania
-$1.2M
3
UBS Group
UBS Group
Switzerland
-$1.16M
4
JWCA
J.W. Cole Advisors
Florida
-$815K
5
LCM
Landscape Capital Management
New Jersey
-$663K
Name Holding Trade Value Shares
Change 		Change in
Stake
MWM
76
Melfa Wealth Management
Massachusetts
$206K – – –
AWM
77
Avior Wealth Management
Nebraska
$185K +$186K +17,825 New
KA
78
Kercheville Advisors
Texas
$182K +$167 +16 +0.1%
HSA
79
HBK Sorce Advisory
Pennsylvania
$180K +$184K +17,569 New
LA
80
LexAurum Advisors
Kansas
$178K +$179K +17,143 New
OWA
81
Outlook Wealth Advisors
Texas
$176K +$177K +16,977 New
SPIA
82
Steward Partners Investment Advisory
New York
$163K +$68K +6,511 +71%
DAS
83
Dynamic Advisor Solutions
Arizona
$157K +$825 +79 +0.5%
RCA
84
Ranch Capital Advisors
Florida
$156K +$3.13K +300 +2%
AHL
85
Abel Hall LLC
Louisiana
$156K – – –
SCTC
86
Sanibel Captiva Trust Company
Florida
$156K +$157K +15,000 New
DWM
87
Diversify Wealth Management
Utah
$152K +$52.2K +5,000 +50%
SWP
88
Stratos Wealth Partners
Ohio
$150K +$151K +14,476 New
CCP
89
Cane Capital Partners
Louisiana
$149K – – –
TWP
90
Tyche Wealth Partners
Texas
$149K – – –
Citadel Advisors
91
Citadel Advisors
Florida
$144K +$14.9K +1,423 +11%
BFM
92
Boothbay Fund Management
New York
$138K +$139K +13,282 New
XF
93
XML Financial
Maryland
$132K – – –
SWM
94
Spire Wealth Management
Virginia
$131K +$26.6K +2,542 +25%
Thrivent Financial for Lutherans
95
Thrivent Financial for Lutherans
Minnesota
$130K – – –
AC
96
AlphaCore Capital
California
$125K +$1.54K +147 +1%
CIA
97
Concurrent Investment Advisors
Florida
$124K – – –
DADC
98
D.A. Davidson & Co
Montana
$124K – – –
CPSAC
99
Chas P. Smith & Associates (CPS)
Florida
$122K +$123K +11,800 New
BCP
100
Berkeley Capital Partners
Georgia
$120K – – –
2 3
4
5 6

NMZ Hedge Fund Activity: Q1 2026 in Review

137 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Nuveen Municipal High Income Opportunity Fund (NMZ) for Q1 2026, worth a combined $208M — up 8% from $193M a quarter earlier.

Buyers outnumbered sellers: 21 funds opened new NMZ positions and 11 closed out — a net gain of 10 holders — while 60 added to existing stakes and 22 trimmed.

The largest buyer was Hennion & Walsh Asset Management, adding an estimated $5.21M. The largest seller was Jane Street, cutting an estimated $2.28M.

  • 137 institutional investors held Nuveen Municipal High Income Opportunity Fund (NMZ) as of Q1 2026, up from 131 in Q4 2025.
  • Funds reported $208M of Nuveen Municipal High Income Opportunity Fund stock for Q1 2026, up 8% quarter-over-quarter.
  • 21 funds opened new Nuveen Municipal High Income Opportunity Fund positions in Q1 2026 and 11 closed out, a net change of +10 holders.
  • The largest Nuveen Municipal High Income Opportunity Fund buyer in Q1 2026 was Hennion & Walsh Asset Management, an estimated $5.21M added.
  • The largest Nuveen Municipal High Income Opportunity Fund seller in Q1 2026 was Jane Street, an estimated $2.28M sold.

Based on aggregated 13F filings for Q1 2026.