WAVEMAN · COMPANY

NMZ · Nuveen Municipal High Income Opportunity Fund

LIVE

TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475

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NMZ

Name: NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND

FUNDS & TRUSTS · REGISTERED INVESTMENT COMPANY · CIK 0001266585

SEC FILINGS☆ WATCH

INSIDER NET · 180D

-$30.2K

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

169

13F, latest reported quarter

REVENUE GROWTH

XBRL, annual

NET MARGIN

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$30.2K over 180 days

-$30.2K over 90 days · -$2 of it by a 10%+ holder

below 83% of Funds & Trusts

CONGRESS

no member of Congress has reported trading it

FUNDS

169 funds added or opened last quarter

more than 98% of Funds & Trusts

REVENUE

no revenue reported in any filing

MARGIN

no margin: this company reports no revenue to divide by

BUYBACKS

no share repurchases reported

SHORT

1.0 days to cover · settled 2026-07-31

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

169 funds added or opened positions in the latest 13F quarter, of 213 holders.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN +5.7%

+5.7%12M

INSIDER BUYINSIDER SELL

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

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, 169 funds added last quarter. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

RCG ECAT BCAT ASA NMFC RWAY MEGI GF PFX TPVG EMO CPZ

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred 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(s) buying. Source: SEC Form 4 filings, as of 2026-09-06.

INSIDER

FILED

VALUE

BANK OF AMERICA CORP /DE/

—

BUY

2026-08-04

1.0

$10

BANK OF AMERICA CORP /DE/

—

BUY

2026-08-04

1.0

$10

BANK OF AMERICA CORP /DE/

—

BUY

2026-08-04

1.0

$10

BANK OF AMERICA CORP /DE/

—

SELL

2026-08-04

1.0

$10

BANK OF AMERICA CORP /DE/

—

SELL

2026-08-04

1.0

$10

72 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 67 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

MORGAN STANLEY

3,168,046.0 sh

$33.5M

GUGGENHEIM CAPITAL LLC

2,376,749.0 sh

$25.1M

WELLS FARGO & COMPANY/MN

2,359,288.0 sh

$24.9M

Hennion & Walsh Asset Management, Inc.

2,217,036.0 sh

$23.4M

RAYMOND JAMES FINANCIAL INC

1,930,236.0 sh

$20.4M

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

FORM 144

No planned-sale notices

No insider has notified an intent to sell. This is the panel to watch after a run-up.

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

VanEck CEF Muni Income ETF

$6.9M POSITION · AS OF 2026-04-30

3.4%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK