Atmos Energy Corporation (ATO)

Historical Shares Outstanding

Current Count

167.8M

Financial Fundamentals

ATO • Quarterly Data • 5Y View

Share Count History

Date	Shares Out. (M)	Change (M)	Change %
2026-03-31	167.8	2.9	+1.78%
2025-12-31	164.9	4.3	+2.68%
2025-09-30	160.6	-0.6	-0.37%
2025-06-30	161.2	0.7	+0.46%
2025-03-31	160.4	2.6	+1.65%
2024-12-31	157.8	4.8	+3.13%
2024-09-30	153.0	-0.4	-0.24%
2024-06-30	153.4	2.1	+1.39%
2024-03-31	151.3	1.5	+1.00%
2023-12-31	149.8	1.1	+0.76%
2023-09-30	148.7	2.6	+1.78%
2023-06-30	146.1	2.1	+1.44%
2023-03-31	144.0	2.0	+1.44%
2022-12-31	141.9	0.7	+0.51%
2022-09-30	141.2	1.0	+0.71%
2022-06-30	140.2	3.0	+2.17%
2022-03-31	137.3	3.6	+2.66%
2021-12-31	133.7	0.0	0.00%
2021-09-30	133.7	2.2	+1.68%
2021-06-30	131.5	2.3	+1.80%
2021-03-31	129.2	2.1	+1.68%
2020-12-31	127.0	2.9	+2.36%
2020-09-30	124.1	1.1	+0.87%
2020-06-30	123.0	0.0	+0.03%
2020-03-31	123.0	1.6	+1.35%
2019-12-31	121.4	1.5	+1.28%
2019-09-30	119.8	1.4	+1.18%
2019-06-30	118.4	0.7	+0.57%
2019-03-31	117.8	3.9	+3.45%
2018-12-31	113.8	1.9	+1.70%
2018-09-30	111.9	0.1	+0.07%
2018-06-30	111.9	0.1	+0.13%
2018-03-31	111.7	3.1	+2.89%
2017-12-31	108.6	1.8	+1.64%
2017-09-30	106.8	0.5	+0.42%
2017-06-30	106.4	0.4	+0.40%
2017-03-31	105.9	0.7	+0.62%
2016-12-31	105.3	0.6	+0.57%
2016-09-30	104.7	0.9	+0.90%
2016-06-30	103.8	0.8	+0.78%
2016-03-31	102.9	0.2	+0.23%
2015-12-31	102.7	0.5	+0.47%
2015-09-30	102.2	0.2	+0.23%
2015-06-30	102.0	0.3	+0.25%
2015-03-31	101.7	0.2	+0.16%
2014-12-31	101.6	0.0	0.00%
2014-09-30	101.6	0.4	+0.41%
2014-06-30	101.2	5.0	+5.19%
2014-03-31	96.2	4.4	+4.83%
2013-12-31	91.7	-0.1	-0.08%
2013-09-30	91.8	0.3	+0.29%
2013-06-30	91.6	0.1	+0.06%
2013-03-31	91.5	0.2	+0.20%
2012-12-31	91.3	0.0	0.00%
2012-09-30	91.3	0.3	+0.35%
2012-06-30	91.0	0.7	+0.74%
2012-03-31	90.3	-0.2	-0.25%
2011-12-31	90.5	0.0	0.00%
2011-09-30	90.5	0.4	+0.46%
2011-06-30	90.1	-0.4	-0.45%
2011-03-31	90.5	0.1	+0.14%
2010-12-31	90.4	0.0	0.00%
2010-09-30	90.4	-2.2	-2.42%
2010-06-30	92.6	-0.2	-0.22%
2010-03-31	92.9	0.3	+0.37%
2009-12-31	92.5	0.0	0.00%
2009-09-30	92.5	0.9	+0.94%
2009-06-30	91.7	0.5	+0.50%
2009-03-31	91.2	0.4	+0.47%
2008-12-31	90.8	-0.3	-0.33%
2008-09-30	91.1	1.4	+1.58%
2008-06-30	89.6	-0.3	-0.38%
2008-03-31	90.0	0.4	+0.43%
2007-12-31	89.6	0.0	0.00%
2007-09-30	89.6	1.2	+1.41%
2007-06-30	88.4	-0.4	-0.42%
2007-03-31	88.7	5.4	+6.46%
2006-12-31	83.4	0.0	0.00%
2006-09-30	83.4	2.5	+3.10%
2006-06-30	80.8	-0.2	-0.25%
2006-03-31	81.0	0.3	+0.39%
2005-12-31	80.7	0.0	0.00%
2005-09-30	80.7	0.6	+0.72%
2005-06-30	80.1	0.4	+0.48%
2005-03-31	79.8	4.0	+5.33%
2004-12-31	75.7	0.0	0.00%
2004-09-30	75.7	23.1	+43.92%
2004-06-30	52.6	0.4	+0.72%
2004-03-31	52.2	0.4	+0.73%
2003-12-31	51.9	0.0	0.00%
2003-09-30	51.9	5.9	+12.75%
2003-06-30	46.0	0.5	+1.11%
2003-03-31	45.5	2.6	+6.00%
2002-12-31	42.9	0.0	0.00%
2002-09-30	42.9	1.5	+3.74%
2002-06-30	41.4	0.2	+0.57%
2002-03-31	41.1	0.2	+0.52%
2001-12-31	40.9	0.0	0.00%
2001-09-30	40.9	0.5	+1.30%
2001-06-30	40.4	1.5	+3.79%
2001-03-31	38.9	6.0	+18.27%
2000-12-31	32.9	0.0	0.00%
2000-09-30	32.9	1.4	+4.47%
2000-06-30	31.5	-0.0	-0.14%
2000-03-31	31.5	0.5	+1.47%
1999-12-31	31.1	-0.3	-0.80%
1999-09-30	31.3	0.7	+2.18%
1999-06-30	30.7	-0.0	-0.09%
1999-03-31	30.7	-0.1	-0.33%
1998-12-31	30.8	0.0	0.00%
1998-09-30	30.8	2.5	+8.71%
1998-06-30	28.3	-1.6	-5.30%
1998-03-31	29.9	0.4	+1.22%
1997-12-31	29.6	0.0	0.00%
1997-09-30	29.6	13.5	+83.63%
1997-06-30	16.1	0.0	+0.26%
1997-03-31	16.1	-0.1	-0.39%
1996-12-31	16.1	0.1	+0.39%
1996-09-30	16.1	1.1	+7.03%
1996-06-30	15.0	—	—