Market Cap

$358.41B

Current · Retrieved: Oct 25, 2026 · USD

MRK Market Cap

Current$358.41BretrievedOct 25, 2026

MRK Market Cap ($4.71B → $358.41B · CAGR +9.7%)

Latest values, visible window

High-resolution chart · PNG

MRK market cap history

Daily history. Dates identify market observations.

Merck & Co. Market Cap — Daily history
Date	Market Cap
Nov 7, 2003	103,349,819,916
Oct 31, 2003	104,089,971,407
Oct 24, 2003	105,372,900,659
Oct 17, 2003	114,402,748,854
Oct 10, 2003	116,401,157,881
Oct 3, 2003	117,881,460,864
Sep 26, 2003	119,583,809,294
Sep 19, 2003	123,013,177,871
Sep 12, 2003	125,850,425,254
Sep 5, 2003	119,978,556,756
Aug 29, 2003	118,374,895,191
Aug 22, 2003	118,251,536,609
Aug 15, 2003	125,801,081,822
Aug 8, 2003	130,784,768,530
Aug 1, 2003	127,552,773,685
Jul 25, 2003	135,324,364,344
Jul 18, 2003	145,316,409,478
Jul 11, 2003	144,526,914,554
Jul 3, 2003	143,836,106,495
Jun 27, 2003	143,540,045,899
Jun 20, 2003	147,956,283,131
Jun 13, 2003	139,345,854,114
Jun 6, 2003	138,951,106,652
May 30, 2003	130,760,096,814
May 23, 2003	130,439,364,501
May 16, 2003	139,863,960,158
May 9, 2003	136,977,369,342
May 2, 2003	139,469,212,696
Apr 25, 2003	133,498,657,332
Apr 17, 2003	131,475,576,589
Apr 11, 2003	130,365,349,352
Apr 4, 2003	134,559,541,136
Mar 28, 2003	130,217,319,054
Mar 21, 2003	132,906,536,139
Mar 14, 2003	119,509,794,145
Mar 7, 2003	123,185,879,885
Feb 28, 2003	124,098,733,391
Feb 21, 2003	126,590,576,746
Feb 14, 2003	126,812,622,193
Feb 7, 2003	125,998,455,553
Jan 31, 2003	130,316,005,919
Jan 24, 2003	125,973,783,836
Jan 17, 2003	137,248,758,222
Jan 10, 2003	140,702,798,515
Jan 3, 2003	138,778,404,637
Dec 27, 2002	131,746,965,469
Dec 20, 2002	132,585,803,826
Dec 13, 2002	134,904,945,166
Dec 6, 2002	137,791,535,982
Nov 29, 2002	139,765,273,293
Nov 22, 2002	138,877,091,503
Nov 15, 2002	130,266,662,486
Nov 8, 2002	131,549,591,738
Nov 1, 2002	127,182,697,939
Oct 25, 2002	124,468,809,137
Oct 18, 2002	120,052,571,905
Oct 11, 2002	111,269,440,874
Oct 4, 2002	104,114,643,124
Sep 27, 2002	108,826,940,952
Sep 20, 2002	107,593,355,133
Sep 13, 2002	115,907,723,553
Sep 6, 2002	114,328,733,705
Aug 30, 2002	118,843,657,802
Aug 23, 2002	123,654,642,496
Aug 16, 2002	117,634,743,700
Aug 9, 2002	120,027,900,189
Aug 2, 2002	112,601,713,558
Jul 26, 2002	108,210,148,043
Jul 19, 2002	97,625,981,716
Jul 12, 2002	107,149,264,238
Jul 5, 2002	114,945,526,614
Jun 28, 2002	119,139,718,399
Jun 21, 2002	117,585,400,267
Jun 14, 2002	123,531,283,915
Jun 7, 2002	123,926,031,377
May 31, 2002	134,337,495,689
May 24, 2002	132,881,864,423
May 17, 2002	136,755,323,894
May 10, 2002	130,834,111,963
May 3, 2002	130,562,723,083
Apr 26, 2002	128,144,894,878
Apr 19, 2002	133,942,748,227
Apr 12, 2002	127,034,667,641
Apr 5, 2002	129,970,601,890
Mar 28, 2002	135,447,722,926
Mar 22, 2002	136,928,025,909
Mar 15, 2002	140,554,768,217
Mar 8, 2002	147,043,429,625
Mar 1, 2002	148,153,656,862
Feb 22, 2002	144,674,944,852
Feb 15, 2002	140,702,798,515
Feb 8, 2002	139,148,480,383
Feb 1, 2002	139,814,616,725
Jan 25, 2002	133,992,091,660
Jan 18, 2002	136,434,591,581
Jan 11, 2002	138,753,732,921
Jan 4, 2002	138,531,687,474
Dec 28, 2001	140,011,990,456
Dec 21, 2001	140,283,379,337
Dec 14, 2001	136,656,637,029