6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report Of Foreign Private Issuer

Pursuant To Rule 13a-16 Or 15d-16 Of

The Securities ExchangeAct Of 1934

For the month of July 2021

Commission File Number: 000-54290

Grupo Aval Acciones y Valores S.A.

(Exact name ofregistrant as specified in its charter)

Carrera 13 No.26A - 47

BogotáD.C., Colombia

(Address of principalexecutive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

GRUPO AVAL ACCIONESY VALORES S.A.

TABLE OF CONTENTS

Item 1

RELEVANT INFORMATION

Bogotá,July 13, 2021. Grupo Aval Acciones y Valores S.A. (“Grupo Aval”) informs that, after the downgrade of Colombia's sovereign credit rating from BBB- to BB+, Fitch Ratings downgraded the rating of several Colombian issuers, including Grupo Aval from BBB- to BB+, changing the outlook from negative to stable. Likewise, Grupo Aval Limited's rating was downgraded from BBB- to BB +.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: July 14, 2021