N
Nuveen Municipal High Income Opportunity Fund
NMZ • NYSE
Nuveen Municipal High Income Opportunity Fund is a publicly traded company on NYSE. As of Q3 2025, 110 institutional investors hold shares in this company, with total holdings valued at $171.7M. MORGAN STANLEY is the largest holder with a position valued at $26.4M.
Websitenuveen.com
Overview
Overview of institutional ownership in NMZ as of Q3 2025
All Institutions
- Institutions
- 110
- Value Held
- $171.7M
- Shares Held
- 17.4M
- Avg Position
- $1.6M
- Median Position
- $265.7K
Hedge Funds
- Hedge Funds
- 2
- Value Held
- $884.8K
- Shares Held
- 83.6K
- Avg Position
- $442.4K
- Median Position
- $442.4K
Biggest Investors
Institutions with the largest positions in NMZ as of Q3 2025
| Institution | Position Value |
|---|---|
 MORGAN STANLEY RIA/Wealth | $26.4M 0.00% of portfolio |
 UBS Group AG Institution | $20.7M 0.00% of portfolio |
G GUGGENHEIM CAPITAL LLC Institution | $17.4M 0.13% of portfolio |
 RAYMOND JAMES FINANCIAL INC RIA/Wealth | $11.9M 0.00% of portfolio |
 WELLS FARGO & COMPANY/MN Institution | $9.0M 0.00% of portfolio |
 Hennion & Walsh Asset Management, Inc. RIA/Wealth | $7.7M 0.28% of portfolio |
L LPL Financial LLC Institution | $6.4M 0.00% of portfolio |
 Melone Private Wealth, LLC RIA/Wealth | $6.3M 2.85% of portfolio |
 BANK OF AMERICA CORP /DE/ Institution | $5.8M 0.00% of portfolio |
 Gridiron Partners, LLC Long Only Manager | $4.6M 3.59% of portfolio |
Net Capital Flow
Institutional buying and selling activity for NMZ in Q3 2025
- Traded
- +$6.5M
- Buyers
- 54
- Sellers
- 43
- Total Bought
- +$15.5M
- Total Sold
- −$9.0M
- Avg Position
- $1.4M
Biggest Buyers
| Institution | Net Bought |
|---|---|
Gridiron Partners, LLC Long Only Manager | +$3.4M +1.2M shares |
UBS Group AG Institution | +$1.9M +183.7K shares |
N NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO Institution | +$1.8M +170.2K shares |
L LPL Financial LLC Institution | +$1.4M +132.3K shares |
G GUGGENHEIM CAPITAL LLC Institution | +$1.1M +102.7K shares |
RAYMOND JAMES FINANCIAL INC RIA/Wealth | +$1.1M +100.5K shares |
 SRS Capital Advisors, Inc. RIA/Wealth | +$661.0K +62.4K shares |
 Cetera Investment Advisers RIA/Wealth | +$539.0K +50.9K shares |
WELLS FARGO & COMPANY/MN Institution | +$443.0K +41.8K shares |
E EQ WEALTH ADVISORS, LLC RIA/Wealth | +$416.4K +39.3K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
MORGAN STANLEY RIA/Wealth | −$2.0M −192.4K shares |
 STEPHENS INC /AR/ RIA/Wealth | −$1.0M −97.1K shares |
 Sontag Advisory, LLC RIA/Wealth | −$824.4K −79.5K shares |
I INSIGNEO ADVISORY SERVICES, LLC RIA/Wealth | −$537.2K −51.8K shares |
 Transce3nd, LLC RIA/Wealth | −$479.4K −46.2K shares |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | −$449.0K −43.3K shares |
J JANE STREET GROUP, LLC Institution | −$348.8K −32.9K shares |
 HARBOUR INVESTMENTS, INC. RIA/Wealth | −$293.4K −27.7K shares |
Hennion & Walsh Asset Management, Inc. RIA/Wealth | −$290.3K −27.4K shares |
 Invesco Ltd. ETF Provider | −$270.4K −25.5K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited NMZ in Q3 2025
- New Positions
- 8
- New Value
- $758.4K
- Exited Positions
- 15
- Exited Value
- $4.5M
New Positions
| Institution | Position Value |
|---|---|
 Williams Jones Wealth Management, LLC. RIA/Wealth | $370.3K 35.0K shares |
 Ashton Thomas Private Wealth, LLC RIA/Wealth | $214.2K 20.2K shares |
 DIVERSIFY WEALTH MANAGEMENT, LLC RIA/Wealth | $106.6K 10.0K shares |
 Guerra Advisors Inc RIA/Wealth | $24.9K 2.4K shares |
 HIGHLINE WEALTH PARTNERS LLC RIA/Wealth | $21.2K 2.0K shares |
T Turning Point Benefit Group, Inc. Institution | $10.7K 1.0K shares |
 Johnson Financial Group, Inc. RIA/Wealth | $7.6K 715.0 shares |
A AMERICAN NATIONAL BANK Institution | $3.0K 281.0 shares |
Exited Positions
| Institution | Previous Position |
|---|---|
STEPHENS INC /AR/ RIA/Wealth | $1.0M 97.1K shares |
Sontag Advisory, LLC RIA/Wealth | $824.4K 79.5K shares |
I INSIGNEO ADVISORY SERVICES, LLC RIA/Wealth | $537.2K 51.8K shares |
Transce3nd, LLC RIA/Wealth | $479.4K 46.2K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $449.0K 43.3K shares |
 BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | $247.1K 23.8K shares |
F Fisher Asset Management, LLC Institution | $243.6K 23.5K shares |
A Altus Wealth Group LLC RIA/Wealth | $135.6K 13.1K shares |
 Sunbelt Securities, Inc. RIA/Wealth | $130.4K 12.1K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $109.0K 10.5K shares |
Options Activity
Institutions with the largest Call and Put options positions in NMZ as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with NMZ as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
Gridiron Partners, LLC Long Only Manager | 3.59% $4.6M |
Melone Private Wealth, LLC RIA/Wealth | 2.85% $6.3M |
M MFA Wealth Services RIA/Wealth | 0.84% $1.2M |
P Palogic Value Management, L.P. RIA/Wealth | 0.60% $1.4M |
H High Net Worth Advisory Group LLC Institution | 0.59% $2.4M |
 Camelot Portfolios, LLC RIA/Wealth | 0.49% $826.2K |
 WESPAC Advisors, LLC RIA/Wealth | 0.44% $744.2K |
E EQ WEALTH ADVISORS, LLC RIA/Wealth | 0.36% $542.6K |
 Running Point Capital Advisors, LLC RIA/Wealth | 0.34% $1.2M |
Hennion & Walsh Asset Management, Inc. RIA/Wealth | 0.28% $7.7M |
Hedge Fund Spotlight
Discover hedge funds investing in NMZ
Everstar Asset Management, LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerLee Christopher Larson
- Portfolio Value
- $176.3M
- Positions
- 189
- Last Reported
- Q3 2025
Sector Allocation
N
Position in Nuveen Municipal High Income Opportunity Fund
- Market Value
- $413.6K
- Shares Held
- 39.1K
- Portfolio Weight
- 0.23%
- Owned Since
- 2024-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
ETF ETF | $9.9M | 5.59% | |
ETF ETF | $8.7M | 4.96% | |
ETF ETF | $7.9M | 4.49% |
