Atmos Energy Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

DB:AEO Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
11 Aug 26	Buy€43,571	William Ware	Individual		300	€145.24
03 Dec 25	Sell€66,027	Sean Donohue	Individual		450	€146.73

Insider Trading Volume

Insider Buying: AEO insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of AEO?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	115	0.0000681%
State or Government	208,999	0.124%
Individual Insiders	577,891	0.342%
General Public	2,112,292	1.25%
Institutions	166,089,256	98.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 61.77% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9.02%	BlackRock, Inc.	15,237,564	€2.1b	-12.7%	0.03%
7%	Vanguard Capital Management, LLC	11,821,975	€1.6b	1.34%	0.03%
6.73%	State Street Investment Management	11,380,060	€1.6b	0.06%	0.05%
5.56%	Capital Research and Management Company	9,398,474	€1.3b	-20.1%	0.06%
5.54%	Vanguard Portfolio Management, LLC	9,360,135	€1.3b	0.8%	0.07%
5.44%	Wellington Management Group LLP	9,185,788	€1.3b	-4.83%	0.22%
2.66%	Geode Capital Management, LLC	4,489,277	€626.5m	3.51%	0.03%
2.01%	Bank of America Corporation	3,390,715	€473.2m	12%	0.12%
1.54%	T. Rowe Price Group, Inc.	2,596,435	€362.4m	-15.5%	0.03%
1.38%	AQR Capital Management, LLC	2,338,280	€326.3m	186%	0.13%
1.26%	Qube Research & Technologies Ltd	2,136,532	€298.2m	2,490%	0.39%
1.23%	Norges Bank Investment Management	2,079,227	€290.2m	5.16%	0.02%
1.15%	Invesco Capital Management LLC	1,950,801	€272.2m	6.09%	0.03%
1.11%	RREEF America L.L.C.	1,875,652	€261.8m	-1.38%	1.5%
1.09%	Massachusetts Financial Services Company	1,842,583	€257.1m	3.95%	0.07%
1.08%	Amundi Asset Management SAS	1,823,714	€254.5m	40%	0.04%
1.07%	UBS Asset Management AG	1,811,468	€252.8m	1.63%	0.02%
1.03%	Citadel Advisors LLC	1,736,405	€242.3m	131%	0.17%
0.95%	Legal & General Investment Management Limited	1,605,373	€224.0m	-0.68%	0.05%
0.84%	Union Asset Management Holding AG	1,422,641	€198.5m	-0.43%	0.13%
0.84%	Eaton Vance Management	1,416,833	€197.7m	0.33%	0.04%
0.82%	Northern Trust Global Investments	1,393,267	€194.4m	-10.1%	0.02%
0.82%	Goldman Sachs Asset Management, L.P.	1,389,957	€194.0m	-10.9%	0.04%
0.81%	Point72 Asset Management, L.P.	1,361,162	€190.0m	0%	0.37%
0.8%	Morgan Stanley	1,345,342	€187.8m	-9.16%	0.02%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/09/21 17:56
End of Day Share Price	2026/09/18 00:00
Earnings	2026/06/30
Annual Earnings	2025/09/30

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Atmos Energy Corporation is covered by 22 analysts. 10 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Gary Hovis	Argus Research Company
Richard Gross	Barclays
Nicholas Campanella	Barclays