$COST · COSTCO WHOLESALE CORP /NEW
Costco reported Q4 FY2026 results for the 16 weeks ended August 30, 2026. Total revenue reached $95.7B (+11.1% YoY), with net income of $2.998B and diluted EPS of $6.75 versus $5.87 a year ago. The quarter included a $0.15 per share non-recurring benefit from IEEPA tariff refunds. Full-year FY2026 revenue was $303.2B with net income of $9.226B ($20.76 diluted EPS).
- Q4 net sales rose 11.2% to $93.9B; full-year net sales up 10.1% to $297.2B.
- Q4 diluted EPS of $6.75 included a $0.15 non-recurring IEEPA tariff refund benefit.
- Total comparable sales grew 9.4% (6.7% adjusted ex-gas/FX); digitally-enabled comps surged 19.5%.
- Membership fees reached $1.85B in Q4 (+7.3% YoY); worldwide renewal rate held at 89.8%.
- Cash and equivalents swelled to $20.2B at year-end, up from $14.2B a year ago.
After-hours trading shows COST at $896.48, down 0.47% from the filing-time price of $900.69. The modest dip suggests the strong results and $0.15 tariff-refund tailwind were largely priced in for this $397.6B mega-cap.
Costco's Q4 print confirms double-digit top-line growth and best-in-class membership economics at $300B+ annual revenue scale, though the $0.15 tariff-refund tailwind won't repeat.
Costco's 9.4% total comparable sales and 19.5% digitally-enabled comp growth reinforce its position as the strongest big-box retailer, outpacing peers on traffic (+3.3%) and membership loyalty (89.8% renewal rate) even at massive scale.
Tariff and geopolitical risks flagged explicitly in forward-looking statements; the $0.15 IEEPA refund benefit is non-recurring and partially reinvested, so it does not repeat. FX and gasoline-price volatility continue to distort headline comparable sales metrics.
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