Atmos Energy Corporation (ATO) Shares Outstanding

Shares Outstanding

166.92M1.48M+0.90%

May 8, 2026

Summary

Current Value: As of today, ATO has 166.92M outstanding shares, up +0.90% on May 8, 2026
Historical Performance: ATO shares outstanding is up +5.09% year-over-year, up +15.53% 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 +15.53% above its 3-year low of 144.49M reached on an earlier date

Chart

Performance

ATO Performance
Metric	Date	Value	1Y	3Y	5Y
Shares Outstanding	May 8, 26	166.92M	+5.1%	+15.5%	+27.7%
Price	May 14, 26	$180.39	+18.5%	+51.4%	+79.6%
Market Cap	May 14, 26	$30B	+24.5%	+74.9%	+129.4%
PE Ratio	May 14, 26	22.21	+4.5%	+8.5%	+21.4%
TTM Revenue	Mar 31, 26	$4.88B	+8.8%	+7.0%	+52.5%
TTM EPS	Mar 31, 26	$8.12	+13.4%	+39.6%	+47.9%
	May 14, 26	$39.61B	+23.2%	+67.3%	+102.3%
TTM Net Income	Mar 31, 26	$1.35B	+18.4%	+62.3%	+93.0%
TTM Dividend	May 14, 26	$3.74	+11.6%	+31.7%	+55.8%

Highs

ATO Shares Outstanding Highs Comparison
Period	High	Date	Current
1Y	166.92M	May 8, 26	at high
3Y	166.92M	May 8, 26	at high
5Y	166.92M	May 8, 26	at high
All	166.92M	May 8, 26	at high

Lows

ATO Shares Outstanding Lows Comparison
Period	Low	Date	Current
1Y	158.84M	N/A	+5.1%
3Y	144.49M	N/A	+15.5%
5Y	130.67M	N/A	+27.7%
All	5.65M	Mar 30, 84	+2856.4%

History

Month	Value	Change
May 2026	166.92M	+0.9%
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	+2.0%
Nov 2008	91.13M	+1.4%
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	+11.1%
Dec 2001	40.84M	+5.0%
Dec 2000	38.88M	+23.3%
Dec 1999	31.53M	+2.9%
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 166.92M
What is 1-year change in ATO shares outstanding?
ATO shares outstanding is up +5.09% year-over-year
What is 3-year change in ATO shares outstanding?
ATO shares outstanding is up +15.53% 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