<SEC-DOCUMENT>0001193125-25-238637.txt : 20251014
<SEC-HEADER>0001193125-25-238637.hdr.sgml : 20251014
<ACCEPTANCE-DATETIME>20251014114235
ACCESSION NUMBER:		0001193125-25-238637
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251014
DATE AS OF CHANGE:		20251014

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK MUNIYIELD QUALITY FUND III, INC.
		CENTRAL INDEX KEY:			0000883412
		ORGANIZATION NAME:           	
		EIN:				223165131
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-06540
		FILM NUMBER:		251390602

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		800-441-7762

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK MUNIYIELD QUALITY FUND III, INC
		DATE OF NAME CHANGE:	20101109

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK MUNIYIELD INSURED FUND, INC
		DATE OF NAME CHANGE:	20070612

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MUNIYIELD INSURED FUND INC
		DATE OF NAME CHANGE:	19920717
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d21223ddefa14a.htm
<DESCRIPTION>BLACKROCK MUNIYIELD QUALITY FUND III, INC
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<TITLE>BlackRock MuniYield Quality Fund III, Inc</TITLE>
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<DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Washington, D.C. 20549 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>SCHEDULE 14A INFORMATION </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Proxy Statement Pursuant to Section&nbsp;14(a) of the </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Securities Exchange Act of 1934 </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Filed by
the Registrant&#8195;&#9746; </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Filed by a Party other than the Registrant&#8195;&#9744; </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


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<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="48%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; font-size:10pt; font-family:Times New Roman">Check the appropriate box:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">&#9744;&#8195;Preliminary Proxy Statement</P></TD>
<TD VALIGN="bottom" ROWSPAN="2">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ROWSPAN="2"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">&#9744;&#8195;Confidential, for Use of the Commission Only (as permitted by <FONT
STYLE="white-space:nowrap">Rule&nbsp;14a-6(e)(2))</FONT></P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE="font-size:3pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:1pt; margin-left:4.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">&#9744;&#8195;Definitive Proxy
Statement</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">&#9746;&#8195;Definitive Additional Materials</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:4.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman">&#9744;&#8195;Soliciting Material Pursuant to &#167;
<FONT STYLE="white-space:nowrap">240.14a-12</FONT></P></TD></TR>
</TABLE> <P STYLE="margin-top:36pt; margin-bottom:0pt; font-size:14pt; font-family:Times New Roman" ALIGN="center"><B>BLACKROCK MUNIYIELD QUALITY FUND III, INC. </B></P>
<P STYLE="margin-top:3pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">(Name of Registrant as Specified In Its Charter) </P>
<P STYLE="font-size:24pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</DIV>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">(Name of Person(s) Filing Proxy Statement, if Other than the Registrant) </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Payment of Filing Fee (Check the appropriate box): </P> <P STYLE="font-size:24pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9746;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">No fee required. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Fee paid previously with preliminary materials. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules
<FONT STYLE="white-space:nowrap">14a-6(i)(1)</FONT> and <FONT STYLE="white-space:nowrap">0-11.</FONT> </P></TD></TR></TABLE>
</DIV>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>BLACKROCK MUNIVEST FUND II, INC. </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>BLACKROCK MUNIYIELD MICHIGAN QUALITY FUND, INC. </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>BLACKROCK MUNIVEST FUND, INC. </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>BLACKROCK MUNIYIELD QUALITY FUND III, INC. </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman"><B>Important Information Regarding the Proxy Statement, dated September 8, 2025 for BlackRock MuniVest Fund II, Inc. (&#8220;MVT&#8221;), BlackRock MuniYield
Michigan Quality Fund, Inc. (&#8220;MIY&#8221;), BlackRock MuniVest Fund, Inc. (&#8220;MVF&#8221;) and BlackRock MuniYield Quality Fund III, Inc. (&#8220;MYI&#8221; or the &#8220;Acquiring Fund&#8221;) </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman">The Section of the Proxy Statement entitled &#8220;Voting Information and Requirements &#8211; Voting Requirement for Proposal 2: The Issuance of Acquiring
Fund Common Shares&#8221; is revised and restated to provide the following information: </P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman"><B>Voting Requirement for Proposal 2: The Issuance of Acquiring
Fund Common Shares </B></P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:12pt" ALIGN="center">


<TR>

<TD WIDTH="51%"></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD WIDTH="44%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:12pt">
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Proposals</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Required Approval of</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Shareholders</B></P></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:12pt">
<TD VALIGN="top"><I>Proposal 2(A)</I>: The common shareholders and VRDP Holders of the Acquiring Fund are being asked to vote as a single class on a proposal to approve the MVT Issuance.</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD VALIGN="top">Majority of votes entitled to be cast present at the Special Meeting or represented by proxy</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:12pt">
<TD VALIGN="top"><I>Proposal 2(B)</I>: The common shareholders and VRDP Holders of the Acquiring Fund are being asked to vote as a single class on a proposal to approve the MIY Issuance.</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD VALIGN="top">Majority of votes entitled to be cast present at the Special Meeting or represented by proxy</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:12pt">
<TD VALIGN="top"><I>Proposal 2(C)</I>: The common shareholders and VRDP Holders of the Acquiring Fund are being asked to vote as a single class on a proposal to approve the MVF Issuance.</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD VALIGN="top">Majority of votes entitled to be cast present at the Special Meeting or represented by proxy.</TD></TR>
</TABLE> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman">All other references in the Proxy Statement and the accompanying exhibits referencing the vote requirement for shareholders to
approve Proposals 2(A), 2(B) and 2(C) are revised and restated to reflect the vote requirements stated in the table above. </P>
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