Stock Analysis on Net
Stock Analysis on Net

Costco Wholesale Corp. (NASDAQ:COST)

Income Statement
Quarterly Data

The income statement presents information on the financial results of a company business activities over a period of time. The income statement communicates how much revenue the company generated during a period and what cost it incurred in connection with generating that revenue.

Costco Wholesale Corp., consolidated income statement (quarterly data)

US$ in millions

Microsoft Excel
3 months ended: Aug 30, 2026 May 10, 2026 Feb 15, 2026 Nov 23, 2025 Aug 31, 2025 May 11, 2025 Feb 16, 2025 Nov 24, 2024 Sep 1, 2024 May 12, 2024 Feb 18, 2024 Nov 26, 2023 Sep 3, 2023 May 7, 2023 Feb 12, 2023 Nov 20, 2022 Aug 28, 2022 May 8, 2022 Feb 13, 2022 Nov 21, 2021 Aug 29, 2021 May 9, 2021 Feb 14, 2021 Nov 22, 2020
Net sales 93,873 69,154 68,242 65,978 84,432 61,965 62,530 60,985 78,185 57,392 57,331 56,717 77,430 52,604 54,239 53,437 70,764 51,612 50,937 49,417 61,441 44,376 43,888 42,347
Merchandise costs (83,531) (61,519) (60,719) (58,510) (75,037) (54,996) (55,744) (54,109) (69,588) (51,173) (51,140) (50,457) (69,219) (47,175) (48,423) (47,769) (63,558) (46,355) (45,517) (43,952) (54,733) (39,415) (39,078) (37,458)
Gross margin 10,342 7,635 7,523 7,468 9,395 6,969 6,786 6,876 8,597 6,219 6,191 6,260 8,211 5,429 5,816 5,668 7,206 5,257 5,420 5,465 6,708 4,961 4,810 4,889
Membership fees 1,850 1,373 1,355 1,329 1,724 1,240 1,193 1,166 1,512 1,123 1,111 1,082 1,509 1,044 1,027 1,000 1,327 984 967 946 1,234 901 881 861
Selling, general and administrative (8,391) (6,193) (6,272) (6,334) (7,778) (5,679) (5,663) (5,846) (7,067) (5,145) (5,240) (5,358) (6,939) (4,794) (4,940) (4,917) (6,036) (4,450) (4,575) (4,718) (5,667) (4,199) (4,351) (4,320)
Operating income 3,801 2,815 2,606 2,463 3,341 2,530 2,316 2,196 3,042 2,197 2,062 1,984 2,781 1,679 1,903 1,751 2,497 1,791 1,812 1,693 2,275 1,663 1,340 1,430
Interest expense (45) (32) (33) (35) (46) (35) (36) (37) (49) (41) (41) (38) (56) (36) (34) (34) (48) (35) (36) (39) (52) (40) (40) (39)
Interest income and other, net 253 155 148 155 215 85 142 147 120 128 216 160 238 128 114 53 67 71 25 42 68 27 19 29
Other income (expense) 208 123 115 120 169 50 106 110 71 87 175 122 182 92 80 19 19 36 (11) 3 16 (13) (21) (10)
Income before income taxes 4,009 2,938 2,721 2,583 3,510 2,580 2,422 2,306 3,113 2,284 2,237 2,106 2,963 1,771 1,983 1,770 2,516 1,827 1,801 1,696 2,291 1,650 1,319 1,420
Provision for income taxes (1,011) (746) (686) (582) (900) (677) (634) (508) (759) (603) (494) (517) (803) (469) (517) (406) (638) (455) (481) (351) (597) (417) (348) (239)
Net income including noncontrolling interests 2,998 2,192 2,035 2,001 2,610 1,903 1,788 1,798 2,354 1,681 1,743 1,589 2,160 1,302 1,466 1,364 1,878 1,372 1,320 1,345 1,694 1,233 971 1,181
Net income attributable to noncontrolling interests — — — — — — — — — — — — — — — — (10) (19) (21) (21) (24) (13) (20) (15)
Net income attributable to Costco 2,998 2,192 2,035 2,001 2,610 1,903 1,788 1,798 2,354 1,681 1,743 1,589 2,160 1,302 1,466 1,364 1,868 1,353 1,299 1,324 1,670 1,220 951 1,166

Based on: 10-K (reporting date: 2026-08-30), 10-Q (reporting date: 2026-05-10), 10-Q (reporting date: 2026-02-15), 10-Q (reporting date: 2025-11-23), 10-K (reporting date: 2025-08-31), 10-Q (reporting date: 2025-05-11), 10-Q (reporting date: 2025-02-16), 10-Q (reporting date: 2024-11-24), 10-K (reporting date: 2024-09-01), 10-Q (reporting date: 2024-05-12), 10-Q (reporting date: 2024-02-18), 10-Q (reporting date: 2023-11-26), 10-K (reporting date: 2023-09-03), 10-Q (reporting date: 2023-05-07), 10-Q (reporting date: 2023-02-12), 10-Q (reporting date: 2022-11-20), 10-K (reporting date: 2022-08-28), 10-Q (reporting date: 2022-05-08), 10-Q (reporting date: 2022-02-13), 10-Q (reporting date: 2021-11-21), 10-K (reporting date: 2021-08-29), 10-Q (reporting date: 2021-05-09), 10-Q (reporting date: 2021-02-14), 10-Q (reporting date: 2020-11-22).


Financial performance over the analyzed period demonstrates a consistent upward trajectory in both top-line revenue and bottom-line profitability. A distinct seasonal pattern is evident, with significant peaks in net sales and membership fees occurring during the August and September reporting periods each year.

Revenue and Membership Growth
Net sales expanded from $42.3 billion in November 2020 to $93.8 billion by August 2026. This growth is supported by a steady increase in membership fee revenue, which rose from $861 million to $1.85 billion. The growth in membership fees suggests a strengthening of the recurring revenue base, which typically carries higher margins than merchandise sales.
Gross Margin and Cost Analysis
Gross margins scaled in tandem with revenue, increasing from $4.8 billion to $10.3 billion. The relationship between merchandise costs and net sales remained relatively stable, indicating that the cost of goods sold was managed effectively in proportion to sales growth throughout the period.
Operational Efficiency
Operating income grew from $1.43 billion to $3.8 billion. While selling, general, and administrative expenses increased from $4.3 billion to $8.3 billion, the growth in operating income indicates that the expansion of scale has allowed for improved operational leverage over time.
Non-Operating Income and Net Profitability
A significant increase in interest income and other miscellaneous income is observed beginning in 2023, which contributed positively to income before taxes. Consequently, net income attributable to the company grew from $1.16 billion in November 2020 to $2.99 billion by August 2026, reflecting a robust increase in overall profitability.

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