Revenue rose 40.3%, and most of the gain came from stores open more than a year.
Falling stock-based pay did more than better operations to swing the company to a profit.
The release gives no outlook for the fourth quarter.
BBB Foods Inc. (NYSE:TBBB) grew third-quarter revenue 40.3% to about 28.4 billion Mexican pesos, with most of the gain coming from stores open at least a year. Shares rose about 5% in after-hours trading. The Mexican grocery discounter is adding stores faster than a year ago, but its older stores still do most of the work, and their growth is what's widening margins.
A hard discounter lives on thin margins, and rent, staff, and trucks cost about the same whether a store sells a little or a lot. When existing stores' sales climb this fast, those fixed costs get spread over far more revenue, which pushed store operating costs down to 9.8% of revenue. The release doesn't say whether more shoppers or bigger baskets drove the gain.
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The swing to a profit owes more to shrinking stock pay than to operations, because a large 2025 share grant is expensed most heavily in its early quarters. Profit was also thin: Without a 97 million-peso currency gain, pre-tax profit would have fallen short of the quarter's tax bill.
Cash is the clearer signal. BBB Foods sells its groceries before it pays suppliers, so growth produces cash rather than eating it. Third-quarter operating cash flow was about 2.5 times spending on stores and equipment, a cushion that depends on suppliers keeping today's terms.
Watch whether same-store sales hold near 20% as openings continue, since that pays for the margin gains. The release gives no outlook, so the fourth-quarter report is the next real check.
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David Kretzmann has positions in BBB Foods. The Motley Fool has positions in and recommends BBB Foods. The Motley Fool recommends the following options: short December 2026 $45 puts on BBB Foods. The Motley Fool has a disclosure policy.