Membership-only warehouse retailer selling bulk groceries, electronics, and household goods at thin margins, plus gas stations and ancillary services (pharmacy, optical, food court).
Retail sales on USD 275.24B revenue at 12.84% gross margin generate USD 35.35B gross profit; net income USD 8.10B (2.94% margin). Membership fees and gas stations provide high-margin recurring revenue that subsidizes low retail markups.
Membership model locks in customer loyalty and creates switching friction; scale drives supplier negotiating power and cost advantages Amazon and Walmart struggle to replicate at Costco's margin structure. Moat eroding as e-commerce giants expand bulk/subscrip
Sell (sector percentile 28) — value D-, growth B, profitability C, momentum D, revisions A. Updated daily, sector-relative, identical for every user.

Key events, in time order
Institutional position shift confirms capital reallocation, though single-firm moves have limited impact
Walmart's weak US sales miss drags retail sector, sending Costco down about 2%
Entering Medicare market with initial rollout in 2 states and supplemental coverage in a 3rd
Resilient July sales, digital momentum, and membership strength confirmed by multiple sources, but premium valuation questioned
Employers are trimming coverage, pushing more patients toward cash-pay and direct-to-consumer prescription channels.
Q2 13F filing shows 43% reduction in COST holdings, indicating major institutional rebalancing.
Analysts highlight early Executive Membership success in China and warehouse expansion as fee and loyalty drivers.
MarketBeat reports cooling comparable sales growth keeps stock in neutral territory
Net income reached $2.192 billion or $4.93 per diluted share, up 15% from $1.903 billion or $4.28 per diluted share last year
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Costco is discussed as a fundamentally strong business with exceptional metrics, despite a former holder no longer owning it. The conversation is a fundamental thesis.
Main discussion
Different voices
3 stocks, 3 charts and 3 trades. @JoeTigay takes a look at $COST, $BRK.B and $CAT. @RickDucat turns to his technical analysis of the stock charts. For more market news, tune in at: http://SchwabNetwork.com/?CID=SM:Twitter:Organic:2026-8-21 https://t.co/UjZOUkuwJn
If you've followed me for a while, you know I used to hold $COST Costco in the portfolio. I no longer do, but it's still a wonderful business that I like to write about. The business is exceptional. A 41% return on invested capital, a 92% renewal rate, a flywheel no competitor ha
Where's the beef? you may ask $MCD $CMG $COST $SYY $WMT $USFD $KR https://t.co/Rnrz4xHLeD
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