NMZ Nuveen Municipal High Income Opportunity Fund (NMZ) Insider Trading, Ownership & Congress Trades
Funds & Trusts · Registered investment company · CIK 0001266585
SEC filings
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
170
13F, latest reported quarter
What the filings say about NMZ
Insiders, 180 days
-$30.2K net sold
1 buyer · 2 sellers · 0% of sales under a 10b5-1 plan
Nuveen Municipal High Income Opportunity Fund insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND insiders sold a net $30.2K of stock across 72 Form 4 purchases and sales, with 1 insider buying. Source: SEC Form 4 filings, as of 2026-10-28.
Insider
Filed
Shares
Value
Since filing
Context
- 45 earlier Form 4 trades (code P or S) here by this insider (21 buys, 24 sales), the last on Aug 3, 2026.
- -2.0% median (-3.1% mean) 90-day return after 14 previous buys.
- The trade is 100.0% of the 1 shares held after it.
- No other insider bought within 30 days.
- 170 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider BANK OF AMERICA CORP /DE/ bought about $10 of NMZ on Aug 4, 2026; 170 funds added in the latest 13F quarter.Context
- 45 earlier Form 4 trades (code P or S) here by this insider (21 buys, 24 sales), the last on Aug 3, 2026.
- -2.0% median (-3.1% mean) 90-day return after 14 previous buys.
- The trade is 50.0% of the 2 shares held after it.
- No other insider bought within 30 days.
- 170 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider BANK OF AMERICA CORP /DE/ bought about $10 of NMZ on Aug 4, 2026; 170 funds added in the latest 13F quarter.Context
- 45 earlier Form 4 trades (code P or S) here by this insider (21 buys, 24 sales), the last on Aug 3, 2026.
- -2.0% median (-3.1% mean) 90-day return after 14 previous buys.
- The trade is 33.3% of the 3 shares held after it.
- No other insider bought within 30 days.
- 170 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider BANK OF AMERICA CORP /DE/ bought about $10 of NMZ on Aug 4, 2026; 170 funds added in the latest 13F quarter.Context
- 45 earlier Form 4 trades (code P or S) here by this insider (21 buys, 24 sales), the last on Aug 3, 2026.
- -2.0% median (-3.1% mean) 90-day return after 14 previous buys.
- The trade is 50.0% of the 2 shares held after it.
- No other insider sold within 30 days.
- 170 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider BANK OF AMERICA CORP /DE/ sold about $10 of NMZ on Aug 4, 2026; 170 funds added in the latest 13F quarter.Context
- 45 earlier Form 4 trades (code P or S) here by this insider (21 buys, 24 sales), the last on Aug 3, 2026.
- -2.0% median (-3.1% mean) 90-day return after 14 previous buys.
- The trade is 100.0% of the 1 shares held after it.
- No other insider sold within 30 days.
- 170 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider BANK OF AMERICA CORP /DE/ sold about $10 of NMZ on Aug 4, 2026; 170 funds added in the latest 13F quarter.72 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Seven facts, ranked against the sector ·
Rank is not a forecast
Insiders
net -$30.2K over 180 days
-$2 over 90 days · -$2 of it by a 10%+ holder
below 80% of Funds & Trusts
Congress
no House purchase disclosed in the last 12 months
Funds
170 funds bought in last quarter
more than 98% of Funds & Trusts
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
1.0 days to cover · settled 2026-09-30
What changed in the last 30 days
Nothing new filed in the last 30 days
Watch NMZ
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-9.5%12M
Insider buyInsider sell
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns NMZ: institutional holders (13F)
13F holdings, latest reported quarter
3,168,046 sh
$33.5M
2,376,749 sh
$25.1M
2,359,288 sh
$24.9M
2,217,036 sh
$23.4M
1,930,236 sh
$20.4M
Congress trades in NMZ
No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.
Activist and 5% holders (13D/13G)
No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.
NMZ planned insider sales (Form 144)
No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
NMZ mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
VanEck CEF Muni Income ETF
$11.0M position · as of 2026-07-31
5.0%
Clearwater Tax-Exempt Bond Fund
$2.0M position · as of 2026-06-30
0.2%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $30.2K sold by insiders over 180 days, 170 funds added last quarter. Each figure is a federal filing, dated the day it went public.
NMZ Stock Sonar score 2/7 axes
Find similar shapesCompare2 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
NMZ filings, in plain words
Are Nuveen Municipal High Income Opportunity Fund insiders buying or selling NMZ?
In the 180 days to 2026-10-28, Nuveen Municipal High Income Opportunity Fund insiders were net sellers, a net $30.2K: $490 of purchases and $30.7K of sales reported on Form 4, by 1 buyer and 2 sellers.
Read the full summary
In the 180 days to 2026-10-28, Nuveen Municipal High Income Opportunity Fund insiders were net sellers of NMZ, a net $30.2K across purchases and sales reported on Form 4 by 1 buyer and 2 sellers. Sales outweighed purchases more than tenfold by value. None of the 10 insider sales was flagged as made under a Rule 10b5-1 plan. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.
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