Market Cap

$29.10B

Current · Retrieved: Oct 25, 2026 · USD

ATO Market Cap

Current$29.10BretrievedOct 25, 2026

ATO Market Cap ($942.96M → $29.10B · CAGR +8.3%)

Latest values, visible window

High-resolution chart · PNG

ATO market cap history

Daily history. Dates identify market observations.

Atmos Energy Market Cap — Daily history
Date	Market Cap
Nov 14, 2003	4,170,637,291
Nov 7, 2003	4,128,390,154
Oct 31, 2003	4,140,219,352
Oct 24, 2003	4,097,972,216
Oct 17, 2003	4,165,567,634
Oct 10, 2003	4,136,839,582
Oct 3, 2003	4,174,017,061
Sep 26, 2003	4,025,307,142
Sep 19, 2003	4,097,972,216
Sep 12, 2003	4,123,320,498
Sep 5, 2003	4,131,769,925
Aug 29, 2003	4,114,871,071
Aug 22, 2003	4,114,871,071
Aug 15, 2003	4,074,313,820
Aug 8, 2003	3,981,370,120
Aug 1, 2003	4,059,104,851
Jul 25, 2003	4,125,010,383
Jul 18, 2003	4,141,909,238
Jul 11, 2003	4,189,226,030
Jul 3, 2003	4,204,435,000
Jun 27, 2003	4,155,428,321
Jun 20, 2003	4,261,891,105
Jun 13, 2003	4,209,504,656
Jun 6, 2003	4,216,264,198
May 30, 2003	4,182,466,489
May 23, 2003	4,099,662,102
May 16, 2003	3,836,039,971
May 9, 2003	3,961,091,495
May 2, 2003	3,886,736,535
Apr 25, 2003	3,770,134,439
Apr 17, 2003	3,700,849,135
Apr 11, 2003	3,640,013,259
Apr 4, 2003	3,650,152,572
Mar 28, 2003	3,614,664,977
Mar 21, 2003	3,700,849,135
Mar 14, 2003	3,621,424,519
Mar 7, 2003	3,624,804,290
Feb 28, 2003	3,596,076,238
Feb 21, 2003	3,726,197,417
Feb 14, 2003	3,709,298,563
Feb 7, 2003	3,596,076,238
Jan 31, 2003	3,785,343,408
Jan 24, 2003	3,705,918,792
Jan 17, 2003	3,787,033,293
Jan 10, 2003	3,969,540,922
Jan 3, 2003	3,971,230,807
Dec 27, 2002	3,905,325,275
Dec 20, 2002	3,913,774,702
Dec 13, 2002	3,851,248,940
Dec 6, 2002	3,844,489,399
Nov 29, 2002	3,768,444,553
Nov 22, 2002	3,847,869,170
Nov 15, 2002	3,743,096,272
Nov 8, 2002	3,700,849,135
Nov 1, 2002	3,787,033,293
Oct 25, 2002	3,665,361,541
Oct 18, 2002	3,607,905,436
Oct 11, 2002	3,552,139,216
Oct 4, 2002	3,683,950,281
Sep 27, 2002	3,607,905,436
Sep 20, 2002	3,574,107,727
Sep 13, 2002	3,717,747,990
Sep 6, 2002	3,734,646,844
Aug 30, 2002	3,623,114,405
Aug 23, 2002	3,619,734,634
Aug 16, 2002	3,717,747,990
Aug 9, 2002	3,741,406,386
Aug 2, 2002	3,464,265,172
Jul 26, 2002	3,514,961,736
Jul 19, 2002	3,379,770,900
Jul 12, 2002	3,540,310,018
Jul 5, 2002	3,827,590,544
Jun 28, 2002	3,961,091,495
Jun 21, 2002	3,903,635,389
Jun 14, 2002	3,640,013,259
Jun 7, 2002	3,601,145,894
May 31, 2002	3,910,394,931
May 24, 2002	3,915,464,588
May 17, 2002	3,945,882,526
May 10, 2002	3,912,084,817
May 3, 2002	4,055,725,080
Apr 26, 2002	4,030,376,798
Apr 19, 2002	4,106,421,643
Apr 12, 2002	4,121,630,612
Apr 5, 2002	3,996,579,089
Mar 28, 2002	3,988,129,662
Mar 22, 2002	4,020,237,485
Mar 15, 2002	4,015,167,829
Mar 8, 2002	3,920,534,244
Mar 1, 2002	3,766,754,668
Feb 22, 2002	3,667,051,426
Feb 15, 2002	3,788,723,179
Feb 8, 2002	3,541,999,903
Feb 1, 2002	3,514,961,736
Jan 25, 2002	3,541,999,903
Jan 18, 2002	3,540,310,018
Jan 11, 2002	3,621,424,519
Jan 4, 2002	3,683,950,281
Dec 28, 2001	3,555,518,987
Dec 21, 2001	3,616,354,863