COST
Costco Wholesale CorporationConsumer Defensive · $397.6B market cap
Verdict
Share price
$920.65
close of Oct 3, 2026
Fair value
$396.33
Sticker Price
Payback Price
$158.53
buy price
COST is Overpriced: at $920.65 it trades 132% above its fair value of $396.33. Its buy price (Payback Price) is $158.53, 83% below today's price. Business quality is solid: 3 of 5 key numbers clear the 10% bar.
How we valued it
Buffett Normalized. A profitable, growing business, so we project its earnings 10 years ahead and work out what that is worth today.
Business quality
3 of 5 clear the 10% bar. What are the Big Five?
Follow COST
Get notified when it reaches its buy price of $158.53. Free.
Create a free accountSuperinvestors
7 of the investors we track hold COST. In Q2 2026, 1 trimmed. Who we track
Thomas Gayner
Markel Group · as of Q2 2026
$36.6M
39,150 shares
Thomas Russo
Gardner Russo & Quinn · as of Q2 2026
$3.2M
3,399 shares
Christopher Bloomstran
Semper Augustus · as of Q2 2026
$3.1M
3,354 shares
Mairs & Power Funds
Mairs & Power Funds · as of Q2 2026
$2.8M
2,963 shares
Torray Funds
Torray Funds · as of Q2 2026
$587K
628 shares
Moves in Q2 2026
Trimmed: Thomas Russo
Insider activity
Since Jun 23, 2026: no open-market purchases, 1 sale worth $847K and 1 other filing (stock awards, tax withholding and similar). Why purchases matter
Sales
Other filings
About Costco Wholesale Corporation
Costco Wholesale Corporation, alongside its group entities, operates membership-based retail warehouses across a broad international scope, spanning the United States, Puerto Rico, Canada, the United Kingdom, Mexico, Japan, South Korea, Australia, Spain, France, Iceland, China, and Taiwan. These outlets provide customers with an extensive array of both well-known branded and proprietary private-label products. Their…
Discount Stores
Fair value and Payback Price are estimates from the company's reported financials, not investment advice. Prices as of the close of Oct 3, 2026. How the Payback Price works