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
Aug 14, 2009	4,689,432,124
Aug 7, 2009	4,682,672,582
Jul 31, 2009	4,589,728,882
Jul 24, 2009	4,561,000,829
Jul 17, 2009	4,358,214,575
Jul 10, 2009	4,165,567,634
Jul 2, 2009	4,224,713,625
Jun 26, 2009	4,241,612,479
Jun 19, 2009	4,250,061,907
Jun 12, 2009	4,282,169,730
Jun 5, 2009	4,158,808,092
May 29, 2009	4,055,725,080
May 22, 2009	4,040,516,111
May 15, 2009	4,077,693,591
May 8, 2009	4,334,556,179
May 1, 2009	4,332,866,294
Apr 24, 2009	3,939,122,984
Apr 17, 2009	3,969,540,922
Apr 9, 2009	3,900,255,619
Apr 3, 2009	3,915,464,588
Mar 27, 2009	3,991,509,433
Mar 20, 2009	3,905,325,275
Mar 13, 2009	3,641,703,145
Mar 6, 2009	3,503,132,538
Feb 27, 2009	3,689,019,937
Feb 20, 2009	3,939,122,984
Feb 13, 2009	4,256,821,448
Feb 6, 2009	4,385,252,743
Jan 30, 2009	4,148,668,780
Jan 23, 2009	4,042,205,996
Jan 16, 2009	4,128,390,154
Jan 9, 2009	4,047,275,653
Jan 2, 2009	4,082,763,247
Dec 26, 2008	3,983,060,006
Dec 19, 2008	3,915,464,588
Dec 12, 2008	3,966,161,151
Dec 5, 2008	4,065,864,393
Nov 28, 2008	4,212,884,427
Nov 21, 2008	4,060,794,736
Nov 14, 2008	3,771,824,324
Nov 7, 2008	3,986,439,776
Oct 31, 2008	4,101,351,987
Oct 24, 2008	3,736,336,730
Oct 17, 2008	3,643,393,030
Oct 10, 2008	3,577,487,498
Oct 3, 2008	4,667,463,613
Sep 26, 2008	4,640,425,446
Sep 19, 2008	4,748,578,114
Sep 12, 2008	4,638,735,560
Sep 5, 2008	4,471,436,901
Aug 29, 2008	4,653,944,529
Aug 22, 2008	4,537,342,433
Aug 15, 2008	4,510,304,266
Aug 8, 2008	4,511,994,151
Aug 1, 2008	4,469,747,015
Jul 25, 2008	4,354,834,805
Jul 18, 2008	4,310,897,783
Jul 11, 2008	4,508,614,381
Jul 3, 2008	4,598,178,309
Jun 27, 2008	4,528,893,006
Jun 20, 2008	4,596,488,424
Jun 13, 2008	4,466,367,244
Jun 6, 2008	4,572,830,028
May 30, 2008	4,628,596,247
May 23, 2008	4,615,077,164
May 16, 2008	4,778,996,053
May 9, 2008	4,708,020,864
May 2, 2008	4,726,609,604
Apr 25, 2008	4,711,400,635
Apr 18, 2008	4,623,526,591
Apr 11, 2008	4,361,594,346
Apr 4, 2008	4,468,057,130
Mar 28, 2008	4,239,922,594
Mar 20, 2008	4,261,891,105
Mar 14, 2008	4,376,803,315
Mar 7, 2008	4,356,524,690
Feb 29, 2008	4,393,702,170
Feb 22, 2008	4,515,373,922
Feb 15, 2008	4,569,450,257
Feb 8, 2008	4,648,874,873
Feb 1, 2008	4,893,908,263
Jan 25, 2008	4,642,115,331
Jan 18, 2008	4,549,171,631
Jan 11, 2008	4,706,330,978
Jan 4, 2008	4,675,913,040
Dec 28, 2007	4,748,578,114
Dec 21, 2007	4,841,521,814
Dec 14, 2007	4,542,412,090
Dec 7, 2007	4,574,519,913
Nov 30, 2007	4,425,809,993
Nov 23, 2007	4,491,715,526
Nov 16, 2007	4,545,791,860
Nov 9, 2007	4,528,893,006
Nov 2, 2007	4,745,198,344
Oct 26, 2007	4,751,957,885
Oct 19, 2007	4,694,501,780
Oct 12, 2007	4,964,883,452
Oct 5, 2007	4,947,984,598
Sep 28, 2007	4,785,755,594
Sep 21, 2007	4,782,375,823