Atmos Energy Corporation (ATO) Shares Outstanding

Shares Outstanding

168.99M2.07M+1.24%

August 7, 2026

Summary

Current Value: As of today, ATO has 168.99M outstanding shares, up +1.24% on August 7, 2026
Historical Performance: ATO shares outstanding is up +5.28% year-over-year, up +14.72% over the past 3 years
All-Time High Comparison: ATO shares outstanding is currently at its all-time high
3-Year Low Comparison: ATO shares outstanding is +14.72% above its 3-year low of 147.30M reached on an earlier date

Chart

beforeafter

Performance

ATO Performance
Metric	Date	Value	1Y	3Y	5Y
Shares Outstanding	Aug 7, 26	168.99M	+5.3%	+14.7%	+29.2%
Price	Aug 21, 26	$166.85	+0.0%	+42.9%	+68.9%
Market Cap	Aug 21, 26	$28B	+5.3%	+64.0%	+118.3%
PE Ratio	Aug 21, 26	19.86	-13.8%	-0.6%	+6.8%
TTM Revenue	Jun 30, 26	$4.92B	+6.5%	+11.6%	+48.5%
TTM EPS	Jun 30, 26	$8.40	+16.0%	+43.7%	+58.1%
	Aug 21, 26	$37.99B	+8.4%	+59.7%	+92.7%
TTM Net Income	Jun 30, 26	$1.40B	+21.1%	+67.2%	+105.7%
TTM Dividend	Aug 21, 26	$3.87	+13.3%	+30.7%	+54.8%

Highs

ATO Shares Outstanding Highs Comparison
Period	High	Date	Current
1Y	168.99M	Aug 7, 26	at high
3Y	168.99M	Aug 7, 26	at high
5Y	168.99M	Aug 7, 26	at high
All	168.99M	Aug 7, 26	at high

Lows

ATO Shares Outstanding Lows Comparison
Period	Low	Date	Current
1Y	160.52M	N/A	+5.3%
3Y	147.30M	N/A	+14.7%
5Y	130.79M	N/A	+29.2%
All	5.65M	Mar 30, 84	+2893.1%

History

Month	Value	Change
Aug 2026	168.99M	+2.1%
Dec 2025	165.43M	+4.2%
Dec 2024	158.73M	+5.2%
Dec 2023	150.83M	+5.4%
Dec 2022	143.16M	+5.7%
Dec 2021	135.43M	+5.7%
Dec 2020	128.15M	+4.8%
Dec 2019	122.26M	+4.6%
Dec 2018	116.89M	+5.3%
Dec 2017	110.96M	+5.6%
Dec 2016	105.11M	+3.0%
Dec 2015	102.08M	+1.2%
Dec 2014	100.85M	+10.9%
Dec 2013	90.96M	+0.5%
Dec 2012	90.52M	+0.6%
Dec 2011	90.01M	-0.7%
Dec 2010	90.64M	-2.5%
Dec 2009	92.97M	+1.5%
Dec 2008	91.60M	+1.9%
Dec 2007	89.91M	+1.6%
Dec 2006	88.50M	+9.5%
Dec 2005	80.85M	+2.0%

Month	Value	Change
Dec 2004	79.26M	+53.0%
Dec 2003	51.80M	+14.2%
Dec 2002	45.37M	+10.6%
Dec 2001	41.03M	+5.6%
Dec 2000	38.85M	+23.4%
Dec 1999	31.49M	+2.7%
Dec 1998	30.65M	+2.7%
Dec 1997	29.85M	+85.2%
Dec 1996	16.12M	+1.3%
Dec 1995	15.91M	+3.6%
Dec 1994	15.35M	+0.9%
Dec 1993	15.22M	+43.3%
Dec 1992	10.62M	+3.9%
Dec 1991	10.22M	+1.8%
Dec 1990	10.05M	+10.0%
Dec 1989	9.14M	+0.2%
Dec 1988	9.12M	+48.4%
Dec 1987	6.15M	+0.4%
Dec 1986	6.12M	+8.2%
Dec 1985	5.66M	+0.2%
Dec 1984	5.65M	-

FAQ

What is the current shares outstanding of ATO?: As of today, ATO shares outstanding is 168.99M
What is 1-year change in ATO shares outstanding?: ATO shares outstanding is up +5.28% year-over-year
What is 3-year change in ATO shares outstanding?: ATO shares outstanding is up +14.72% over the past 3 years
How far is ATO shares outstanding from its all-time high?: ATO shares outstanding is currently at its all-time high

Data Sources & References

ATO Official Website www.atmosenergy.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/731802/000073180225000056/0000731802-25-000056-index.htm
ATO Profile on Yahoo Finance finance.yahoo.com/quote/ATO
ATO Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ato