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Blackrock Muniyield Quality Fund III, Inc. (MYI)

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Price
$10.31
+0.19% on the day · November 9, 2026
52-week range $9.37 to $11.46
Market cap
$1.5B

Key facts about Blackrock Muniyield Quality Fund III, Inc.

Net worth
Blackrock Muniyield Quality Fund III, Inc. has a market value (market cap) of $1.5B at the latest share price. A company's "net worth" usually means this market value or the shareholders' equity on its balance sheet.

What Blackrock Muniyield Quality Fund III, Inc. does

Its shares trade on NYSE under the ticker MYI.

Earnings: every quarter and the next report date

Latest SEC filings

What Blackrock Muniyield Quality Fund III, Inc. has filed recently, newest first. Each links to the original document on SEC EDGAR.

  1. November 9, 2026
  2. October 14, 2026
  3. October 5, 2026
  4. September 25, 2026
  5. September 10, 2026
  6. August 26, 2026
  7. August 14, 2026
  8. June 25, 2026
  9. May 15, 2026
  10. April 7, 2026

Recent insider filings (Forms 3, 4 and 144): 10, the latest on September 17, 2026. Insider transactions on SEC

Insider trades

What the people running Blackrock Muniyield Quality Fund III, Inc. did with its shares, from the Form 4 filings they must send the SEC within two business days.

No insider trades were reported in the last 90 days.

Bought (open market)
$0
last 90 days
Sold
$0
last 90 days
DateInsiderWhatSharesPriceValueFiling
February 23, 2026 Kalinoski MichaelDirector Other change 1 - - Form 4
February 23, 2026 Kalinoski MichaelDirector Other change 3,085 - - Form 4
February 23, 2026 Harris Stayce D.Director Other change 10 - - Form 4
January 30, 2026 Romaglino ChristianPortfolio Manager Exercised options 170 - - Form 4
January 30, 2026 Romaglino ChristianPortfolio Manager Other change 170 $11.16 $1.9K Form 4
January 30, 2026 Kalinoski MichaelPortfolio Manager Exercised options 115 - - Form 4
January 30, 2026 Kalinoski MichaelPortfolio Manager Other change 115 $11.16 $1.3K Form 4
January 30, 2026 Oconnor WalterPortfolio Manager Exercised options 354 - - Form 4

All insider filings on SEC.gov · Where insiders are buying across the market

Who owns MYI

Three views from three kinds of SEC filings, each with its own date. They overlap and are not added up.

5% holders

Anyone who owns more than 5% of a class of shares must say so on Schedule 13D (if they may seek to influence the company) or 13G (a passive holder). The latest filing of each holder is shown: 13G filings of the last 2 years, 13D of the last 3.

We have not read this company's Schedule 13D and 13G filings yet.

Largest institutional holders

No Form 13F positions imported for this company yet.

Insiders

Reported holdings of insiders who filed a Form 4 in the last 12 months: the shares each one held after their latest reported transaction. This is not the total held by all insiders.

3 insiders reported holding 3,235 shares in total, about $33.4K at the last price.

HolderSharesAs of
Kalinoski MichaelDirector 3,115 February 23, 2026
Oconnor WalterPortfolio Manager 100 January 30, 2026
Harris Stayce D.Director 21 February 23, 2026

Schedule 13D/13G filings on SEC.gov

All filings on SEC EDGAR

Questions about MYI

What does Blackrock Muniyield Quality Fund III, Inc. do?

Blackrock Muniyield Quality Fund III, Inc. is a company in the Finance sector, listed on NYSE as MYI. Its shares trade on NYSE under the ticker MYI.

What is Blackrock Muniyield Quality Fund III, Inc.'s net worth?

Blackrock Muniyield Quality Fund III, Inc. has a market value (market cap) of $1.5B at the latest share price. A company's "net worth" usually means this market value or the shareholders' equity on its balance sheet.

When did Blackrock Muniyield Quality Fund III, Inc. last report?

Its newest filing of any kind is the activist stake changed from November 9, 2026.

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Where the numbers come from

Financial figures are the values Blackrock Muniyield Quality Fund III, Inc. tagged in its own SEC filings (XBRL), taken from the latest filing for each period, so restatements replace older figures. Revenue, profit and cash flow are for full fiscal years unless marked as the last twelve months, which is the sum of the four most recent quarters. Where a company reports only the full year, the fourth quarter is the year minus the first three.

Prices are delayed end-of-day market data in the listing currency, and market cap moves with the price. P/E is shown only when earnings per share are positive. Nothing here is investment advice.