Yesterday, Costco Wholesale (COST) had a market capitalization of $398.5B, based on 443.48M shares at a price of $898.48.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
September 21 2026 | $898.48 | 2,163,492 | 443,478,818 | $398,456,848,396.64 |
September 18 2026 | $895.31 | 4,180,440 | 443,478,818 | $397,051,020,543.58 |
September 17 2026 | $893.93 | 2,322,546 | 443,478,818 | $396,439,019,774.74 |
September 16 2026 | $893.74 | 2,101,651 | 443,478,818 | $396,354,758,799.32 |
September 15 2026 | $901.35 | 2,200,912 | 443,478,818 | $399,729,632,604.30 |
September 14 2026 | $918.91 | 2,014,224 | 443,478,818 | $407,517,120,648.38 |
September 11 2026 | $904.77 | 1,773,175 | 443,478,818 | $401,246,330,161.86 |
September 10 2026 | $902.38 | 1,926,795 | 443,478,818 | $400,186,415,786.84 |
September 09 2026 | $902.60 | 2,067,832 | 443,478,818 | $400,283,981,126.80 |
September 08 2026 | $910.18 | 2,240,323 | 443,478,818 | $403,645,550,567.24 |
September 04 2026 | $915.74 | 2,079,070 | 443,478,818 | $406,111,292,795.32 |
September 03 2026 | $925.41 | 2,172,780 | 443,478,818 | $410,399,732,965.38 |
September 02 2026 | $928.48 | 2,166,373 | 443,478,818 | $411,761,212,936.64 |
September 01 2026 | $939.96 | 1,508,559 | 443,478,818 | $416,852,349,767.28 |
August 31 2026 | $943.89 | 2,393,041 | 443,478,818 | $418,595,221,522.02 |
August 28 2026 | $945.47 | 1,401,469 | 443,478,818 | $419,295,918,054.46 |
August 27 2026 | $934.66 | 2,242,458 | 443,478,818 | $414,501,912,031.88 |
August 26 2026 | $956.12 | 1,223,015 | 443,478,818 | $424,018,967,466.16 |
August 25 2026 | $960.01 | 1,360,603 | 443,478,818 | $425,744,100,068.18 |
August 24 2026 | $971.40 | 2,205,864 | 443,478,818 | $430,795,323,805.20 |
August 21 2026 | $947.74 | 2,368,373 | 443,478,818 | $420,302,614,971.32 |
August 20 2026 | $933.51 | 2,503,679 | 443,478,818 | $413,991,911,391.18 |
August 19 2026 | $956.99 | 1,642,283 | 443,478,818 | $424,404,794,037.82 |
August 18 2026 | $961.35 | 1,845,157 | 443,478,818 | $426,338,361,684.30 |
August 17 2026 | $953.50 | 1,242,967 | 443,478,818 | $422,857,052,963.00 |