COST Market Cap History
Below is a table of the COST market cap history going back to 3/5/2010:

Date COST Market Cap
3/5/201026.73B
5/28/201025.58B
10/1/201028.12B
12/10/201031.10B
3/4/201131.81B
5/27/201135.69B
9/30/201135.59B
12/9/201136.69B
3/9/201238.77B
5/31/201237.35B
10/5/201244.02B
12/14/201242.22B
3/13/201345.13B
6/4/201348.32B
10/9/201350.07B
12/13/201351.85B
3/7/201449.93B
5/28/201450.07B
10/8/201456.35B
12/11/201462.29B
3/4/201564.75B
5/27/201563.91B
10/5/201564.77B
12/10/201571.18B
3/2/201667.08B
5/25/201663.32B
10/4/201665.78B
12/8/201669.22B
3/1/201778.07B
5/24/201775.88B
10/10/201768.55B
12/13/201782.67B
3/7/201882.22B
5/30/201887.55B
10/18/2018100.17B
12/12/2018100.34B
3/6/201996.43B
5/29/2019105.85B
7/15/2019105.95B
10/3/2019127.06B

Also see: COST Shares Outstanding History
and COST YTD Return
COST Historical Market Cap:
+17.66% CAGR
COST Historical Market Cap: +17.66% CAGR

Mouse over chart for data details
3/5/2010 ...10/3/2019
Costco Wholesale and its subsidiaries are principally engaged in the operation of membership warehouses based on the concept of providing its members low prices on a selection of nationally branded and private-label products. Co.'s merchandise are: food and sundries, which include dry foods, packaged foods, and groceries, snack foods, candy, alcoholic and nonalcoholic beverages, and cleaning supplies; hardlines, which include appliances, electronics, health and beauty aids, hardware, and garden and patio; fresh food, which include meat, produce, deli, and bakery; softlines, which include apparel and small appliances; and ancillary, which include gas stations and pharmacy businesses. We show 40 historical shares outstanding datapoints in our COST shares outstanding history coverage, used to compute COST market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing COST market cap history over the course of time is important for investors interested in comparing COST's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of COST versus a peer is one thing; comparing COST market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like COST can fluctuate over the course of history. With this page we aim to empower investors researching COST by allowing them to research the COST market cap history.
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Costco Wholesale (COST) is categorized under the Services sector; to help you further research historical market cap numbers, below are some other companies in the same sector:

CPHC Market Cap History
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