X0202 SCHEDULE 13G/A 0002044225 XXXXXXXX LIVE 3 Class A Common Shares 06/30/2026 0001978954 BBB FOODS INC G0896C103 Av. Pdte. Masaryk 8, Polanco V Secc Miguel Hidalgo Mexico City O5 11560 Rule 13d-1(d) QS 3B Aggregator Inc. b D8 0 2246409 0 2246409 2246409 3.5 CO Based on the number of the Issuer's Class C Common Shares beneficially owned by the reporting person, which are treated as converted into Class A Common Shares only for purposes of computing the percentage ownership of the reporting person. The percentage is based on (x) 62,638,444 of the Issuer's Class A Common Shares outstanding as of May 28, 2026, as reported in the Issuer's prospectus supplement filed on May 29, 2026, plus (y) 2,246,409 of the Issuer's Class C Common Shares beneficially owned by the reporting person, which are treated as converted into Class A Common Shares for the purpose of this calculation. QS Direct SI 2 S.C.A., SICAR, in liquidation b N4 0 53093 0 53093 53093 0.1 PN Based on the number of the Issuer's Class C Common Shares beneficially owned by the reporting person, which are treated as converted into Class A Common Shares only for purposes of computing the percentage ownership of the reporting person. The percentage is based on (x) 62,638,444 of the Issuer's Class A Common Shares outstanding as of May 28, 2026, as reported in the Issuer's prospectus supplement filed on May 29, 2026, plus (y) 53,093 of the Issuer's Class C Common Shares beneficially owned by the reporting person, which are treated as converted into Class A Common Shares for the purpose of this calculation. QS Management Ltd. b D8 0 2246409 0 2246409 2246409 3.5 OO Based on the number of the Issuer's Class C Common Shares beneficially owned by the reporting person, which are treated as converted into Class A Common Shares only for purposes of computing the percentage ownership of the reporting person. The percentage is based on (x) 62,638,444 of the Issuer's Class A Common Shares outstanding as of May 28, 2026, as reported in the Issuer's prospectus supplement filed on May 29, 2026, plus (y) 2,246,409 of the Issuer's Class C Common Shares beneficially owned by the reporting person, which are treated as converted into Class A Common Shares for the purpose of this calculation. QS Direct SI 2 b N4 0 53093 0 53093 53093 0.1 OO Based on the number of the Issuer's Class C Common Shares beneficially owned by the reporting person, which are treated as converted into Class A Common Shares only for purposes of computing the percentage ownership of the reporting person. The percentage is based on (x) 62,638,444 of the Issuer's Class A Common Shares outstanding as of May 28, 2026, as reported in the Issuer's prospectus supplement filed on May 29, 2026, plus (y) 53,093 of the Issuer's Class C Common Shares beneficially owned by the reporting person, which are treated as converted into Class A Common Shares for the purpose of this calculation. Quilvest Capital Partners SA b N4 0 2299502 0 2299502 2299502 3.5 OO Based on the number of the Issuer's Class C Common Shares beneficially owned by the reporting person, which are treated as converted into Class A Common Shares only for purposes of computing the percentage ownership of the reporting person. The percentage is based on (x) 62,638,444 of the Issuer's Class A Common Shares outstanding as of May 28, 2026, as reported in the Issuer's prospectus supplement filed on May 29, 2026, plus (y) 2,299,502 of the Issuer's Class C Common Shares beneficially owned by the reporting person, which are treated as converted into Class A Common Shares for the purpose of this calculation. Bemberg Capital b N4 0 2299502 0 2299502 2299502 3.5 OO Based on the number of the Issuer's Class C Common Shares beneficially owned by the reporting person, which are treated as converted into Class A Common Shares only for purposes of computing the percentage ownership of the reporting person. The percentage is based on (x) 62,638,444 of the Issuer's Class A Common Shares outstanding as of May 28, 2026, as reported in the Issuer's prospectus supplement filed on May 29, 2026, plus (y) 2,299,502 of the Issuer's Class C Common Shares beneficially owned by the reporting person, which are treated as converted into Class A Common Shares for the purpose of this calculation. BBB FOODS INC Av. Pdte. Masaryk 8, Polanco V Secc, Miguel Hidalgo, Mexico City, Mexico, 11560 QS 3B Aggregator Inc. Craigmuir Chambers, Road Town, Tortola, British Virgin Islands Citizenship: British Virgin Islands QS Direct SI 2 SCA SICAR, in liquidation 22, rue des Bruyeres, L - 1274 Howald Citizenship: Luxembourg QS Management Ltd. Craigmuir Chambers, Road Town, Tortola, British Virgin Islands Citizenship: British Virgin Islands QS Direct SI 2 22, rue des Bruyeres, L - 1274 Howald Citizenship: Luxembourg Quilvest Capital Partners SA 9 allee Scheffer, L-2520 Luxembourg Citizenship: Luxembourg Bemberg Capital 9 allee Scheffer, L-2520 Luxembourg Citizenship: Luxembourg See Item 2(a) above. See Item 2(a) above. Y As of the close of business on June 30, 2026, the reporting persons beneficially owned an aggregate of 2,299,502 of the Issuer's Class C Common Shares, par value $0.01 per share ("Class C Common Shares"). Each of the Issuer's Class C Common Shares is automatically convertible, under certain circumstances, into one of the Issuer's Class A Common Shares. Specifically, as of the close of business on June 30, 2026: (i) QS 3B Aggregator Inc., a company limited by shares incorporated under the laws of the British Virgin Islands ("QS 3B Aggregator"), beneficially owned 2,246,409 of the Issuer's Class C Common Shares; and (ii) QS Direct SI 2 S.C.A., SICAR, in liquidation, a Luxembourg investment company in risk capital in the form of a Societe en Commandite par Actions ("QSD"), beneficially owned 53,093 of the Issuer's Class C Common Shares. QS Management Ltd., a company limited by shares incorporated under the laws of the British Virgin Islands ("QS Management"), is (1) the investment adviser to QS 3B Aggregator, (2) the sole director of QS 3B Aggregator and (3) the owner of all outstanding Class M shares of QS 3B Aggregator, and may be deemed to have shared voting control and investment discretion over securities owned by QS 3B Aggregator. QS Direct SI 2, a Luxembourg Societe a responsabilite limitee ("QSD SI"), is the general partner and the liquidator of QSD and may be deemed to have shared voting control and investment discretion over securities owned by QSD. Quilvest Capital Partners SA, a Luxembourg Societe Anonyme ("QCP SA"), is the owner of all outstanding shares of QS Management and QSD and may be deemed to have shared voting control and investment discretion over securities owned by QS 3B Aggregator and QSD. Bemberg Capital, a Luxembourg Societe Anonyme ("Bemberg Capital"), is the owner of all outstanding shares of QCP SA and may be deemed to have shared voting control and investment discretion over securities owned by QS 3B Aggregator and QSD. The foregoing should not be construed in and of itself as an admission by QS Management, QSD SI, QCP SA or Bemberg Capital as to beneficial ownership of the securities owned by QS 3B Aggregator or QSD, as the case may be. As of the close of business on June 30, 2026, QS 3B Aggregator and QS Management each may be deemed to have beneficially owned 2,246,409 of the Issuer's Class A Common Shares or 3.5% of the Issuer's Class A Common Shares outstanding (see Item 4(a) above). As of the close of business on June 30, 2026, QSD and QSD SI each may be deemed to have beneficially owned 53,093 of the Issuer's Class A Common Shares or 0.1% of the Issuer's Class A Common Shares outstanding (see Item 4(a) above). As of the close of business on June 30, 2026, QCP SA and Bemberg Capital each may be deemed to have beneficially owned 2,299,502 of the Issuer's Class A Common Shares or 3.5% of the Issuer's Class A Common Shares outstanding (see Item 4(a) above). The above percentages are based on (a) the number of the Issuer's Class C Common Shares beneficially owned by each reporting person, which are treated as converted into Class A Common Shares only for purposes of this calculation; divided by (b) (x) 62,638,444 of the Issuer's Class A Common Shares outstanding as of May 28, 2026, as reported in the Issuer's prospectus supplement filed on May 29, 2026, plus (y) the number of the Issuer's Class C Common Shares beneficially owned by such reporting person, which are treated as converted into Class A Common Shares only for purposes of this calculation. 0 All shares beneficially owned by such person as described in Item 4(b) above 0 All shares beneficially owned by such person as described in Item 4(b) above N Y Y Y N See Exhibit I. Y Y Exhibit I: Joint Filing Agreement, dated as of August 6, 2026, by and among QS 3B Aggregator Inc., QS Direct SI 2 S.C.A., SICAR, in liquidation, QS Management Ltd., QS Direct SI 2, Quilvest Capital Partners SA and Bemberg Capital. QS 3B Aggregator Inc. /s/ Remi Masse 08/06/2026 QS Direct SI 2 S.C.A., SICAR, in liquidation /s/ Olga Ovcharova 08/06/2026 QS Management Ltd. /s/ Remi Masse 08/06/2026 QS Direct SI 2 /s/ Olga Ovcharova 08/06/2026 Quilvest Capital Partners SA /s/ Alexis Meffre 08/06/2026 Bemberg Capital /s/ Adrien de Boisanger 08/06/2026