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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Name of Issuer)

(Title of Class of Securities)

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13D/A 0000019617 XXXXXXXX LIVE 1 VARIABLE RATE DEMAND PREFERRED SHARES 02/23/2026 false 0000890196 09254F886 BLACKROCK MUNIYIELD QUALITY FUND, INC. 100 Bellevue Parkway Wilmington DE 19809 Michael Lees (212) 270-6000 JPMorgan Chase & Co. 270 Park Avenue New York NY 10017 0000019617 N JPMorgan Chase & Co. OO Y DE 0 0 0 0 0 N 0 HC CO 0002005954 N DNT Asset Trust OO N DE 0 0 0 0 0 N 0 OO VARIABLE RATE DEMAND PREFERRED SHARES BLACKROCK MUNIYIELD QUALITY FUND, INC. 100 Bellevue Parkway Wilmington DE 19809 This Amendment No. 1 (this "Amendment") amends, as set forth below, the statement on Schedule 13D, dated February 23, 2026 and filed with the SEC on March 2, 2026 (the "Original Schedule 13D"), for JPMorgan Chase & Co. ("JPMC") and DNT Asset Trust ("DNT Trust") (collectively, the "Reporting Persons") with respect to certain Variable Rate Demand Preferred Shares ("Preferred Shares") of BLACKROCK MUNIYIELD QUALITY FUND, INC. (the "Issuer"). This Amendment is being filed as a result of the sale by DNT Trust of the Preferred Shares in an open market transaction. This information is not changed by this Amendment. This information is not changed by this Amendment. Item 2 of the Original Schedule 13D is hereby amended by deleting Schedule A and Schedule B referenced therein and replacing them with Schedule A and Schedule B included with this Amendment and attached as an Exhibit hereto. Item 2 of the Original Schedule 13D is hereby amended by deleting Schedule A and Schedule B referenced therein and replacing them with Schedule A and Schedule B included with this Amendment and attached as an Exhibit hereto. Item 2 of the Original Schedule 13D is hereby amended by deleting Schedule A and Schedule B referenced therein and replacing them with Schedule A and Schedule B included with this Amendment and attached as an Exhibit hereto. Item 2 of the Original Schedule 13D is hereby amended by deleting Schedule A and Schedule B referenced therein and replacing them with Schedule A and Schedule B included with this Amendment and attached as an Exhibit hereto. Item 3 of the Original Schedule 13D is hereby amended by adding the following paragraph at the end thereof: "The Preferred Shares held by DNT Trust were sold in an open market transaction on February 23, 2026 for a price of $100,000 per share (the "Transaction") and as a result of the Transaction, the Reporting Persons no longer own any Preferred Shares of the Issuer. Item 4 of the Original Schedule 13D is hereby amended by adding the following paragraph at the end thereof: "As a result of the Transaction, the Reporting Persons no longer own any Preferred Shares of the Issuer." This information is not changed by this Amendment. This information is not changed by this Amendment. This information is not changed by this Amendment. Item 5(d) of the Original Schedule 13D is hereby amended by deleting paragraph (d) therein and replacing it in its entirety with the following: "(d) Not applicable." Item 5(e) of the Original Schedule 13D is hereby amended by deleting paragraph (e) therein and replacing it in its entirety with the following: "(e) On February 23, 2026, as a result of the Transaction, the Reporting Persons ceased to be the beneficial owner of more than five percent of the class of securities." This information is not changed by this Amendment. Item 7 of the Original Schedule 13D is hereby amended by deleting Exhibit 99.1 thereto and inserting the following exhibits in its place: "Exhibit Description of Exhibit 99.1 Joint Filing Agreement" Item 7 of the Original Schedule 13D is hereby further amended by adding the following Exhibit to the listings of exhibits to be attached to this Schedule 13D: "Exhibit Description of Exhibit 99.3 Amended and Restated Schedule A and Schedule B" JPMorgan Chase & Co. /s/ Michael Lees Michael Lees, Executive Director 03/02/2026 DNT Asset Trust /s/ Tim A. Self Tim A. Self, Authorized Officer 03/02/2026 Please note that Item 2 of the Original Schedule 13D is hereby amended by deleting Schedule A and Schedule B referenced therein and replacing them with the amended and restated Schedule A and Schedule B attached to this Amendment.