SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549

SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 20)*

Ifthe filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D,and is filing this schedule because of sections 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ☐

Note:Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7for other parties to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subjectclass of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior coverpage.

Theinformation required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of section 18of the Securities Exchange Act of 1934 (the “Act”) or otherwise subject to the liabilities of that section of the Act butshall be subject to all other provisions of the Act (however, see the Notes). 

AmendmentNo. 20 to Schedule 13D

TheReporting Persons hereby amend and supplement the statement on Schedule 13D filed with the Securities and Exchange Commission (the “Commission”)on April 9, 2007, as amended by Amendment No. 1 thereto filed on May 14, 2007, Amendment No. 2 thereto filed on June 4, 2007, AmendmentNo. 3 thereto filed on June 5, 2007, Amendment No. 4 thereto filed on June 20, 2007, as amended and restated by Amendment No. 5 theretofiled on June 20, 2007, as amended by Amendment No. 6 thereto filed on August 22, 2007, as amended by Amendment No. 7 thereto filed onMay 23, 2008, as amended by Amendment No. 8 thereto filed on June 2, 2008, as amended by Amendment No. 9 thereto filed on July 3, 2008,as amended by Amendment No. 10 thereto filed on June 23, 2010, as amended by Amendment No. 11 thereto filed on October 14, 2010, as amendedby Amendment No. 12 thereto filed on November 8, 2011, as amended by Amendment No. 13 thereto filed on January 5, 2012, as amended byAmendment No. 14 thereto filed on March 12, 2012, as amended by Amendment No. 15 thereto filed on August 29, 2019, as amended by AmendmentNo. 16 thereto filed on July 31, 2020, as amended by Amendment 17 thereto filed on June 4, 2021, as amended by Amendment 18 thereto filedon December 16, 2021, and as amended by Amendment 19 thereto filed on June 8, 2022 (the “Schedule 13D”) with respectto, among other things, the Reporting Persons’ beneficial ownership of series B shares (“Series B Shares”) (includingSeries B Shares underlying the American Depositary Shares (“ADSs”)) of Grupo Aeroportuario del Sureste, S.A.B. deC.V., a limited liability publicly traded corporation with variable capital stock (sociedad anónima bursátil de capitalvariable) (the “Company”), organized under the laws of the United Mexican States (“Mexico”).According to its public filings with the Commission, the Company, through its subsidiaries, operates airports in the southeastern regionof Mexico. Defined terms used but not defined herein shall have the respective meanings given to such terms in the Schedule 13D.

Item3. Source and Amount of Funds or Other Consideration

Item3 is hereby amended by adding at the end of the Item the following:

Mr.Chico/CHAPF acquired 2,893,254 Shares for a sum of around Ps.1,199.97 million pursuant to negotiated transactions in the market witha mixture of cash on hand and lines of credit from commercial banks.

Item5.  Interest in Securities of the Issuer

Section(c) of Item 5 is hereby amended to state the following:

(c)Except as set forth in this statement, no transactions in Shares were effected by the Reporting Persons since the most recent filingof Schedule 13D on June 8, 2022.

SIGNATURE

Afterreasonable inquiry and to the best of my knowledge and belief, the undersigned certifies that the information set forth in this statementis true, complete and correct.

Dated:June 23, 2022