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BlackRock MuniYield Quality Fund III, Inc.

corporate_fare Company Profile

BlackRock MuniYield Quality Fund III, Inc.

MYI·NYSE·Unknown·CIK 0000883412

BlackRock MuniYield Quality Fund III, Inc. is a closed-ended fixed income mutual fund. Launched by BlackRock, Inc. and managed by BlackRock Advisors, LLC, the fund invests in fixed income markets. Its primary focus is on a portfolio of long-term investment-grade municipal obligations that are exempt from federal income taxes. BlackRock MuniYield Quality Fund III, Inc. was formed on April 13, 1992, and is domiciled in the United States.

BlackRock MuniYield Quality Fund III, Inc. (NYSE:MYI) is a publicly traded company in the Unknown sector. Wiseek has independently scored 2 items for MYI at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-02-27, rated 9/10. Across its 2 most recent items scored 7 or higher, the top rating is 9/10, with 2 rated 8 or above. Recent SEC coverage for MYI spans N-23C-2, 425.

Recent high-impact activity:

  • BlackRock MuniYield Quality Fund III to Redeem Up to $393.7M in Preferred Shares
  • BlackRock Completes CEF Mergers, Adopts Share Repurchase Program for MYI to Manage Discount

Short Interest & Short Volume

1.00 days to cover

FINRA reported short interest of 367,841 shares in MYI as of the September 15, 2026 settlement, a 33.8% increase from the prior period — about 1.0 days to cover at its recent average daily volume. On October 2, 2026, 38.0% of MYI volume reported to FINRA trade-reporting facilities was marked short.

Short interest (bi-monthly positions)367,841 shares as of September 15, 2026
Change vs prior period▲ 33.8%
Days to cover1.00 at avg daily volume of 418,616
Daily short volume (FINRA facilities)38.0% of 368,141 shares on October 2, 2026
5-day average short volume30.7%

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

$9.77
52-week range · as of 2026-02-27 $9.77 – $11.46
Market cap
$1.19B
Volume
640.1K (1.1× avg)
3-mo avg 588.9K
Live data · 2026-10-04 10:56 UTC · Market closed

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feed MYI - Latest Insights

MYI
Feb 27, 2026, 4:19 PM EST
Filing Type: N-23C-2
Importance Score:
9
Price at Filing: $11.25
Real-time Price: $9.77 info
Change: -$1.48 (-13%) info
Market Cap: $1.195B info
MYI
Feb 23, 2026, 5:26 PM EST
Filing Type: 425
Importance Score:
8
Price at Filing: $11.27
Real-time Price: $9.77 info
Change: -$1.50 (-13%) info
Market Cap: $1.195B info
Research tools: Filing Impact Index Dilution Tracker Split Calendar Open Datasets