Data coverage, completeness and provenance for Costco in the Stock Market API — Consumer Staples · Discount Stores.
Costco Wholesale Corporation, together with its subsidiaries, engages in the operation of membership warehouses in the United States, Puerto Rico, Canada, Mexico, Japan, the United Kingdom, Korea, Australia, Taiwan, China, Spain, France, Iceland, New Zealand, and Sweden. It offers merchandise, including sundries, dry groceries, candies, coolers, freezers, deli, liquor, and tobacco; non-food merchandise comprising appliances, small electronics, health and beauty aids, hardware, lawn and garden, sporting goods, tires, toys and seasonal, automotive, stamps, tickets, apparel, furniture, domestics, housewares, special order kiosks, and jewelry; and fresh food, such as meat, produce, service deli, and bakery products. The company is also involved in warehouse ancillary operations, which include gasoline, pharmacies, optical, food courts, hearing-aid centers, and tire installation centers. In addition, it engages in e-commerce, business centers, travel, and other businesses. The company was formerly known as Costco Companies, Inc. and changed its name to Costco Wholesale Corporation in August 1999. Costco Wholesale Corporation was founded in 1976 and is based in Issaquah, Washington.
Employees: 341,000 · Website: https://www.costco.com · Profile fields populated: 75%
Share of stored fields populated in the anchor reporting period (FY2025), primary source sec_edgar. Full per-field breakdown: GET /api/v1/companies/COST/financials.
Stored values for the most recent fiscal-year periods, with per-period field counts and the primary source each period came from. Values are shown at reported scale without interpretation.
| Period | Period end | Revenue | Net income | Total assets | Total equity | Fields populated | Source |
|---|---|---|---|---|---|---|---|
| FY2025 | 2025-08-31 | 29 | sec_edgar | ||||
| FY2022 | 2022-08-28 | 31 | sec_edgar | ||||
| FY2021 | 2021-08-29 | 31 | sec_edgar | ||||
| FY2020 | 2020-08-30 | 30 | sec_edgar | ||||
| FY2016 | 2016-08-28 | 29 | sec_edgar |
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Name, sector, industry, HQ, employees, market cap, source-tagged.
GET /api/v1/companies/COST
Multi-year statements with per-field source tags and completeness.
GET /api/v1/companies/COST/financials
P/E, P/B, ROE, ROA, margins, EPS, debt/equity — formulas documented.
GET /api/v1/companies/COST/metrics/summary
Report PDFs with LLM-ready markdown conversions where available.
GET /api/v1/companies/COST/filings
Dated press releases and announcements with source links.
GET /api/v1/companies/COST/news
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curl -H "X-API-Key: KEY" https://stockmarketapi.ai/api/v1/companies/COST
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