On Friday, Costco Wholesale (COST) had a market capitalization of $456.2B, based on 443.65M shares at a price of $1,028.24.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
May 22 2026 | $1,028.24 | 2,048,300 | 443,652,537 | $456,181,284,644.88 |
May 21 2026 | $1,050.45 | 2,148,400 | 443,652,537 | $466,034,807,491.65 |
May 20 2026 | $1,074.01 | 1,949,824 | 443,652,537 | $476,487,261,263.37 |
May 19 2026 | $1,094.32 | 2,511,158 | 443,652,537 | $485,497,799,924.59 |
May 18 2026 | $1,076.47 | 2,175,849 | 443,652,537 | $477,578,646,504.39 |
May 15 2026 | $1,048.95 | 1,966,963 | 443,652,537 | $465,369,328,686.15 |
May 14 2026 | $1,041.25 | 1,606,609 | 443,652,537 | $461,953,204,151.25 |
May 13 2026 | $1,033.08 | 1,654,600 | 443,652,537 | $458,328,562,923.96 |
May 12 2026 | $1,021.88 | 2,143,229 | 443,652,537 | $453,359,654,509.56 |
May 11 2026 | $999.47 | 2,053,529 | 443,652,537 | $443,417,401,155.39 |
May 08 2026 | $1,008.79 | 1,805,188 | 443,652,537 | $447,552,242,800.23 |
May 07 2026 | $1,012.06 | 2,013,993 | 443,652,537 | $449,002,986,596.22 |
May 06 2026 | $995.75 | 2,619,130 | 443,652,537 | $441,767,013,717.75 |
May 05 2026 | $1,016.42 | 1,456,309 | 443,652,537 | $450,937,311,657.54 |
May 04 2026 | $1,012.79 | 1,479,687 | 443,652,537 | $449,326,852,948.23 |
May 01 2026 | $1,011.70 | 1,509,728 | 443,652,537 | $448,843,271,682.90 |
April 30 2026 | $1,013.06 | 2,049,273 | 443,652,537 | $449,446,639,133.22 |
April 29 2026 | $997.22 | 1,516,865 | 443,652,537 | $442,420,513,904.75 |
April 28 2026 | $992.56 | 1,775,955 | 443,652,537 | $440,351,629,028.96 |
April 27 2026 | $996.56 | 1,620,358 | 443,652,537 | $442,128,102,517.61 |
April 24 2026 | $1,009.68 | 1,695,617 | 443,652,537 | $447,949,267,455.59 |
April 23 2026 | $1,012.91 | 1,570,728 | 443,652,537 | $449,380,179,983.18 |
April 22 2026 | $1,002.25 | 1,215,151 | 443,652,537 | $444,648,847,502.34 |
April 21 2026 | $1,004.35 | 1,367,093 | 443,652,537 | $445,583,579,032.55 |
April 20 2026 | $996.39 | 1,475,447 | 443,652,537 | $442,052,814,682.09 |