ATO Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 0.48%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $2,341,717.50

Atmos Energy Insider Trading History Chart

Atmos Energy Share Price & Price History

^$169.29

▲ +0.915 (0.54%)

As of 12/15/2025 10:50 AM ET

Days: 30 | 90 | 365

Atmos Energy Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
12/3/2025	Sean Donohue	Director	Sell	450	$171.15	$77,017.50	877
5/14/2025	Kim R. Cocklin	Director	Sell	15,000	$150.98	$2,264,700.00	172,632
11/11/2024	Edward Geiser	Director	Buy	2,500	$144.89	$362,225.00	2,602
5/16/2024	Diana J. Walters	Director	Sell	400	$118.00	$47,200.00	3,551
3/27/2024	Kim R. Cocklin	Director	Sell	15,000	$116.46	$1,746,900.00	186,339
11/17/2023	Richard M. Thomas	VP	Sell	1,750	$114.20	$199,850.00	2,650
11/6/2023	Kim R. Cocklin	Director	Sell	12,500	$110.99	$1,387,375.00	199,972
8/7/2023	Kim R. Cocklin	Director	Sell	12,500	$117.44	$1,468,000.00	212,472
5/5/2023	Diana J. Walters	Director	Sell	390	$117.50	$45,825.00	2,584
5/1/2023	Kim R. Cocklin	Director	Sell	12,500	$114.54	$1,431,750.00	217,668
2/6/2023	Kim R. Cocklin	Director	Sell	12,500	$117.14	$1,464,250.00	228,846

SEC Filings (Institutional Ownership Changes) for Atmos Energy (NYSE:ATO)

90.17% of Atmos Energy stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Atmos Energy Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
12/10/2025	Mainstay Capital Management LLC ADV	3,457	$0.59M	0.1%	-50.0%	0.002%
12/2/2025	Allworth Financial LP	1,478	$0.25M	0.0%	+11.0%	0.001%
12/2/2025	IFP Advisors Inc	2,170	$0.38M	0.0%	+4.0%	0.001%
12/2/2025	Swiss Life Asset Management Ltd	39,904	$6.81M	0.0%	+133.1%	0.025%
11/26/2025	JPMorgan Chase & Co.	479,308	$81.85M	0.0%	+13.4%	0.296%
11/24/2025	CIBC Private Wealth Group LLC	2,115	$0.36M	0.0%	-10.5%	0.001%
11/21/2025	CIBC Bancorp USA Inc.	22,085	$3.77M	0.0%	N/A	0.014%
11/20/2025	Wilmington Savings Fund Society FSB	2,343	$0.40M	0.0%	-10.2%	0.001%
11/19/2025	Sunbelt Securities Inc.	1,901	$0.33M	0.0%	N/A	0.001%
11/19/2025	Coldstream Capital Management Inc.	4,250	$0.73M	0.0%	+6.1%	0.003%
11/19/2025	Danske Bank A S	338,292	$57.76M	0.1%	N/A	0.211%
11/19/2025	Caitong International Asset Management Co. Ltd	276	$47K	0.0%	+203.3%	0.000%
11/18/2025	Advisory Services Network LLC	386	$66K	0.0%	N/A	0.000%
11/17/2025	Icon Advisers Inc. Co.	9,000	$1.54M	0.3%	-5.3%	0.006%
11/17/2025	Harvest Investment Services LLC	1,813	$0.31M	0.1%	N/A	0.001%
11/17/2025	OmniStar Financial Group Inc.	9,279	$1.58M	1.0%	+34.8%	0.006%
11/17/2025	Kestra Private Wealth Services LLC	18,198	$3.11M	0.0%	+13.5%	0.011%
11/17/2025	NewEdge Advisors LLC	10,559	$1.80M	0.0%	+6.5%	0.007%
11/17/2025	CANADA LIFE ASSURANCE Co	221,937	$37.63M	0.1%	+6.6%	0.138%
11/17/2025	Williamson Legacy Group LLC	1,956	$0.33M	0.3%	-65.2%	0.001%
11/17/2025	Woodline Partners LP	21,215	$3.62M	0.0%	+23.5%	0.013%
11/17/2025	XTX Topco Ltd	5,325	$0.91M	0.0%	N/A	0.003%
11/17/2025	United Capital Financial Advisors LLC	5,682	$0.97M	0.0%	+110.0%	0.004%
11/17/2025	Utah Retirement Systems	26,116	$4.46M	0.0%	+1.7%	0.016%
11/17/2025	Voleon Capital Management LP	2,259	$0.39M	0.0%	N/A	0.001%
11/17/2025	Verition Fund Management LLC	42,247	$7.21M	0.0%	+1,023.0%	0.026%
11/17/2025	State Street Corp	10,630,522	$1.82B	0.1%	+3.5%	6.622%
11/17/2025	Susquehanna Fundamental Investments LLC	80,229	$13.70M	0.5%	-3.8%	0.050%
11/17/2025	Sherbrooke Park Advisers LLC	1,680	$0.29M	0.1%	-11.9%	0.001%
11/17/2025	Quarry LP	1,354	$0.23M	0.1%	-38.6%	0.001%
11/17/2025	Public Employees Retirement System of Ohio	99,079	$16.92M	0.1%	-0.2%	0.062%
11/17/2025	Northern Trust Corp	1,519,505	$259.46M	0.0%	-1.9%	0.947%
11/17/2025	Norinchukin Bank The	9,733	$1.66M	0.0%	+0.7%	0.006%
11/17/2025	Mariner LLC	46,570	$7.95M	0.0%	+4.6%	0.029%
11/17/2025	Mercer Global Advisors Inc. ADV	10,818	$1.85M	0.0%	+41.9%	0.007%
11/17/2025	National Bank of Canada FI	40,897	$6.98M	0.0%	-43.2%	0.025%
11/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	19,172	$3.27M	0.0%	+1.4%	0.012%
11/17/2025	Laird Norton Wetherby Wealth Management LLC	1,532	$0.26M	0.0%	+9.2%	0.001%
11/17/2025	Larson Financial Group LLC	3,900	$0.67M	0.0%	-9.3%	0.002%
11/17/2025	Lido Advisors LLC	10,925	$1.87M	0.0%	+6.5%	0.007%
11/17/2025	Integrated Wealth Concepts LLC	4,244	$0.73M	0.0%	+20.9%	0.003%
11/17/2025	Hilltop Holdings Inc.	3,085	$0.53M	0.0%	N/A	0.002%
11/17/2025	Gotham Asset Management LLC	28,538	$4.87M	0.0%	+63.4%	0.018%
11/17/2025	Focus Partners Wealth	4,907	$0.82M	0.0%	-24.8%	0.003%
11/17/2025	Delta Global Management LP	15,059	$2.57M	0.2%	N/A	0.009%
11/17/2025	Earnest Partners LLC	439,110	$74.98M	0.3%	-2.3%	0.274%
11/17/2025	Brevan Howard Capital Management LP	8,378	$1.43M	0.0%	-73.8%	0.005%
11/17/2025	Chevy Chase Trust Holdings LLC	503,464	$85.97M	0.2%	+8.5%	0.314%
11/17/2025	Clark Capital Management Group Inc.	324,042	$55.33M	0.3%	+1.9%	0.202%
11/17/2025	Aventail Capital Group LP	338,098	$57.73M	2.7%	+24.2%	0.211%
11/17/2025	Azimuth Capital Investment Management LLC	1,275	$0.22M	0.0%	N/A	0.001%
11/17/2025	Banco Bilbao Vizcaya Argentaria S.A.	4,433	$0.76M	0.0%	+49.0%	0.003%
11/17/2025	California Public Employees Retirement System	478,303	$81.67M	0.0%	-17.5%	0.298%
11/17/2025	Bank of America Corp DE	3,737,053	$638.10M	0.0%	+2.3%	2.328%
11/17/2025	Bank of Nova Scotia	29,901	$5.11M	0.0%	+43.8%	0.019%
11/17/2025	BNP Paribas	2,963	$0.51M	0.0%	+32.9%	0.002%
11/17/2025	Aquatic Capital Management LLC	23,538	$4.02M	0.1%	+23.8%	0.015%
11/17/2025	Aristotle Capital Management LLC	7,234,729	$1.24B	2.4%	-5.1%	4.507%
11/17/2025	Alliancebernstein L.P.	183,641	$31.36M	0.0%	+7.0%	0.114%
11/17/2025	Ameriprise Financial Inc.	145,473	$24.85M	0.0%	-1.1%	0.091%
11/14/2025	Creative Planning	57,543	$9.83M	0.0%	+44.5%	0.036%
11/14/2025	Lazard Asset Management LLC	142,001	$24.25M	0.0%	-34.2%	0.088%
11/14/2025	AQR Capital Management LLC	488,194	$83.29M	0.1%	+9.3%	0.304%
11/14/2025	Credit Agricole S A	12,690	$2.17M	0.0%	N/A	0.008%
11/14/2025	Raymond James Financial Inc.	1,175,964	$200.80M	0.1%	+0.2%	0.733%
11/14/2025	Kelleher Financial Advisors	500	$85K	0.0%	N/A	0.000%
11/14/2025	Virtu Financial LLC	1,433	$0.25M	0.0%	N/A	0.001%
11/14/2025	Amundi	568,937	$98.61M	0.0%	+22.1%	0.354%
11/14/2025	Caisse de depot et placement du Quebec	155,684	$26.58M	0.0%	+183.3%	0.097%
11/14/2025	Qtron Investments LLC	6,483	$1.11M	0.1%	+34.5%	0.004%
11/14/2025	Merewether Investment Management LP	72,936	$12.45M	0.3%	-79.1%	0.045%
11/14/2025	Man Group plc	100,586	$17.18M	0.0%	-6.1%	0.063%
11/14/2025	California State Teachers Retirement System	476,592	$81.38M	0.1%	+151.1%	0.297%
11/14/2025	Daiwa Securities Group Inc.	55,208	$9.43M	0.0%	+2.5%	0.034%
11/14/2025	Horizon Investments LLC	5,372	$0.92M	0.0%	-1.5%	0.003%
11/14/2025	Zurcher Kantonalbank Zurich Cantonalbank	37,241	$6.36M	0.0%	+8.5%	0.023%
11/14/2025	Scotia Capital Inc.	9,285	$1.59M	0.0%	+2.1%	0.006%
11/14/2025	UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC	1,008,487	$172.20M	0.0%	-33.7%	0.628%
11/14/2025	Tower Research Capital LLC TRC	3,620	$0.62M	0.0%	-65.2%	0.002%
11/14/2025	Two Sigma Investments LP	47,564	$8.12M	0.0%	-28.3%	0.030%
11/14/2025	Vident Advisory LLC	12,887	$2.20M	0.0%	-10.9%	0.008%
11/14/2025	M&T Bank Corp	46,549	$7.95M	0.0%	-30.7%	0.029%
11/14/2025	Ossiam	20,931	$3.57M	0.0%	+232,466.7%	0.013%
11/14/2025	Squarepoint Ops LLC	490,485	$83.75M	0.1%	-32.0%	0.306%
11/14/2025	iSAM Funds UK Ltd	2,206	$0.38M	0.1%	-81.0%	0.001%
11/14/2025	Wellington Management Group LLP	10,467,828	$1.79B	0.3%	-8.0%	6.521%
11/14/2025	NorthRock Partners LLC	1,597	$0.27M	0.0%	N/A	0.001%
11/14/2025	Comerica Bank	36,367	$6.21M	0.0%	-4.1%	0.023%
11/14/2025	Texas Capital Bank Wealth Management Services Inc	1,370	$0.23M	0.0%	-4.0%	0.001%
11/14/2025	Brown Brothers Harriman & Co.	1,422	$0.24M	0.0%	+20.3%	0.001%
11/14/2025	Glenmede Investment Management LP	21,253	$3.63M	0.0%	+1.2%	0.013%
11/13/2025	Pathstone Holdings LLC	21,337	$3.64M	0.0%	-2.2%	0.013%
11/13/2025	BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp	22,828	$3.90M	0.0%	-8.6%	0.014%
11/13/2025	Marshall Wace LLP	105,346	$17.99M	0.0%	-45.2%	0.066%
11/13/2025	Energy Income Partners LLC	485,387	$82.88M	1.6%	+0.1%	0.302%
11/13/2025	Vise Technologies Inc.	3,386	$0.58M	0.0%	-11.2%	0.002%
11/13/2025	Kennedy Capital Management LLC	39,692	$6.78M	0.1%	-18.2%	0.025%
11/13/2025	SeaCrest Wealth Management LLC	1,264	$0.22M	0.0%	N/A	0.001%
11/13/2025	Johnson Financial Group Inc.	225	$38K	0.0%	+625.8%	0.000%
11/13/2025	Invesco Ltd.	3,099,360	$529.22M	0.1%	+0.6%	1.931%

Data available starting January 2016

Atmos Energy Corporation, together with its subsidiaries, engages in the regulated natural gas distribution, and pipeline and storage businesses in the United States. It operates through two segments, Distribution, and Pipeline and Storage. The Distribution segment is involved in the regulated natural gas distribution and related sales operations in eight states. This segment distributes natural gas to approximately 3.3 million residential, commercial, public authority, and industrial customers; and owned 73,689 miles of underground distribution and transmission mains. The Pipeline and Storage segment engages in the pipeline and storage operations. This segment transports natural gas for third parties and manages five underground storage facilities in Texas; provides ancillary services customary to the pipeline industry, including parking arrangements, lending, and inventory sales; and owned 5,645 miles of gas transmission lines. Atmos Energy Corporation was founded in 1906 and is headquartered in Dallas, Texas.

Today's Range

Now: $169.29

$167.91

$168.95

50 Day Range

MA: $174.26

$166.29

$179.20

52 Week Range

Now: $169.29

$136.05

$180.65

Volume

14,751 shs

Average Volume

959,053 shs

Market Capitalization

$27.37 billion

P/E Ratio

22.60

Dividend Yield

2.38%

Beta

0.75

Who are the company insiders with the largest holdings of Atmos Energy?: Atmos Energy's top insider investors include:
Kim R Cocklin (Director)
Diana J Walters (Director)
Edward Geiser (Director)
Sean Donohue (Director)
Learn More about top insider investors at Atmos Energy.
Who are the major institutional investors of Atmos Energy?: Atmos Energy's top institutional shareholders include:
Vanguard Group Inc. — 12.93%
Capital International Investors — 6.83%
State Street Corp — 6.62%
Wellington Management Group LLP — 6.52%
Aristotle Capital Management LLC — 4.51%
Bank of America Corp DE — 2.33%
Learn More about top institutional investors of Atmos Energy stock.
Which institutional investors are selling Atmos Energy stock?: In the last quarter, ATO stock was sold by these institutional investors:
Wellington Management Group LLP
UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC
Aristotle Capital Management LLC
Capital Group Private Client Services Inc.
Merewether Investment Management LP
Squarepoint Ops LLC
Reaves W H & Co. Inc.
American Century Companies Inc.
Within the previous year, company insiders that have sold Atmos Energy company stock include:
Kim R Cocklin (Director)
Diana J Walters (Director)
Learn More investors selling Atmos Energy stock.
Which institutional investors are buying Atmos Energy stock?: In the last quarter, ATO stock was bought by institutional investors including:
Capital International Investors
State Street Corp
Danske Bank A S
California State Teachers Retirement System
Mizuho Markets Americas LLC
Assenagon Asset Management S.A.
UBS Group AG
Kepler Cheuvreux Suisse SA