No material news briefings were available for Costco Wholesale Corporation (COST) in the 30 days preceding this report's generation date of 2026-07-11. The principal driver of this report is a set of material institutional position changes identified in recent 13F filings, as detailed in the holdings section below [Brief - 2026-07-03].
Costco's trailing twelve-month revenue stood at $293.6 billion as of the most recent filing, representing year-over-year growth of 11.6%. Net income for the same period was $8.84 billion, with a net margin of 3.01% and an operating margin of 3.82%. Gross margin was recorded at 5.61%. EPS grew 15.2% year-over-year. The company held $18.95 billion in cash against total debt of $5.71 billion, yielding a notably net-cash position. COST traded at a price-to-earnings ratio of 46.09, with a market capitalisation of approximately $406.4 billion [SEC 10-Q - COST - 2026-05-10].
Insider activity in the past 30 days comprised one transaction, with a net selling direction totalling approximately $847,345 in value [SEC Form 4 - COST - 2026-07]. On the institutional side, four prominent managers opened new positions in COST during the most recent reporting period: Citadel (Ken Griffin), AQR Capital (Cliff Asness), Millennium (Izzy Englander), and Bridgewater (Ray Dalio) each established new holdings. These concurrent initiations across multiple large institutions represent the material ownership changes that triggered this report [SEC 13F - Citadel - Q2 2026] [SEC 13F - AQR Capital - Q2 2026] [SEC 13F - Millennium - Q2 2026] [SEC 13F - Bridgewater - Q2 2026].
The prevailing macro environment as of the report date showed the 10-year US Treasury yield (DGS10) at 4.54% and the 2-year yield (DGS2) at 4.16%, producing a normal yield curve with a spread of 38 basis points [FRED DGS10] [FRED DGS2]. This rate configuration reflects the broader fixed-income backdrop against which COST's equity valuation and balance sheet metrics are observed.