AI-extracted from the 10-K filed 2026-10-07 — FY2026 (52 weeks ended August 30, 2026). Every figure is machine-verified against the filing text on SEC EDGAR.
Costco grew total revenue 10% to $303.2B and net income 14% to $9.2B ($20.76 diluted EPS), with comparable sales up 8%.
Biggest Revenue Drivers
Net sales$297.2B+10% YoY
Increase primarily attributable to comparable sales growth of $22.5B (8%) plus sales at 25 net new warehouses
Membership fees$5.9B+11% YoY
Driven by new member sign-ups, membership fee increases, and Executive membership upgrades
Biggest Revenue Drivers
Total revenue: $303.2B+10% YoY
Net sales$297.2B+10% YoY
Increase primarily attributable to comparable sales growth of $22.5B (8%) plus sales at 25 net new warehouses
Within Net sales
Warehouse Ancillary and Other Businesses$61.4B+20% YoY
Led by gasoline and pharmacy; higher gasoline prices lifted net sales $3.5B
Membership fees$5.9B+11% YoY
Driven by new member sign-ups, membership fee increases, and Executive membership upgrades
Largest Expense Items
Merchandise costs$264.3B+10% YoY
Rose with sales volume; partly offset by IEEPA tariff refunds recorded as a reduction to merchandise costs
Selling, general and administrative$27.2B+9% YoY
SG&A as a percentage of net sales decreased 10 basis points to 9.15%
Provision for income taxes$3.0B+11% YoY
Effective tax rate of 24.7%, versus 25.1% in 2025, aided by discrete benefits from R&D credits and stock compensation
Margins: Gross margin percentage decreased three basis points to 11.09%, but rose 10 basis points excluding gasoline price inflation, helped by warehouse ancillary mix and IEEPA tariff refunds. SG&A leverage improved as a percentage of sales.
Watch Items from the Filing
Highly dependent on U.S. and Canada, which were 86% and 83% of net sales and operating income; California alone was 26% of U.S. net sales.
Capital expenditures of $6.4B in 2026 are planned to rise to about $7.5B in fiscal 2027, with up to 33 new warehouses planned.
Multiple wage-and-hour class actions in California and Washington, plus a privacy class action and a Kirkland tequila labeling suit, remain pending with unquantified exposure.
Cash and short-term investments rose to $21.3B, and cash from operations reached $15.8B, up from $13.3B.
AI-extracted and verified against SEC EDGAR filing text. Not investment advice.
Barbre Tiffany MarieReporting ownerShares withheld for tax or exercise price · Oct 22, 2026
Congress trading in COST
80 transactions in COST reported by 32 members of Congress under the STOCK Act, most recent trade Sep 18, 2026. Reported transactions, not recommendations.
About COSTCO WHOLESALE CORP /NEW (COST): stock profile, AI score and financials
COSTCO WHOLESALE CORP /NEW (COST) stock profile, AI quality score, and SEC EDGAR financial data, a Consumer Staples sector company. 13F Pro's AI-powered ranking engine scores COST at 63.8/100 on a composite quality score built from its SEC filings, placing it at rank #580 of 2,925 stocks — the top 25% of the AI-ranked universe. COST scores in the top quartile across revenue scale (99.5), balance sheet strength (87.5), institutional flow (76.4). Areas of concern include free cash flow (36.4), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q4 2026), COSTCO WHOLESALE CORP /NEW reports quarterly revenue of $95.7B, net income of $3.0B, an operating margin of 4.0%. Top institutional holders of COST by reported 13-F value include BlackRock, VANGUARD CAPITAL MANAGEMENT, STATE STREET, based on the most recent SEC filings. COST trades on the Nasdaq exchange and files with the SEC under CIK 909832. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate COST daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for COSTCO WHOLESALE CORP /NEW directly from SEC EDGAR.