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ATONYSENatural Gas DistributionFiscal year ends September 30

ATMOS ENERGY CORP

Financials through Q3 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 5, 2026
$164.74−2.60 (-1.55%)

Close on Oct 19, 2026

Market cap
$27.90B
P/E (TTM)
19.6
Dividend yield
2.11%

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
96.5%
163M of 169M shares
Institutional holders
1,040
133 new, 96 sold out
Net institutional buying
3M
In Q2 2026
Insider trades, 12 months
1 buys · 1 sales
Net sold $26.74K

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Vanguard Portfolio Management9,305,0255.62%13G (passive)Mar 31, 2026
Wellington Management Company LLP9,185,7985.10%13G (passive) amendmentJun 30, 2026
BlackRock, Inc.14,538,2618.70%13G (passive) amendmentJun 30, 2026
Vanguard Capital Management12,468,2107.53%13G (passive)Mar 31, 2026
Wellington Management Group LLP10,467,8446.50%13G (passive) amendmentSep 30, 2025
State Street Corporation–7.36%13G (passive) amendmentDec 31, 2023

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of ATOValueChange% of portfolio
BlackRock, Inc.15,237,5649.02%$2.62B−2,214,3990.04%
State Street Corp11,380,0606.73%$1.96B+7,3100.06%
Vanguard Capital Management LLC10,885,1536.44%$1.88B+149,6060.04%
Vanguard Portfolio Management LLC9,360,1355.54%$1.61B+74,5020.07%
Wellington Management Group Llp9,185,7885.44%$1.58B−465,6840.27%
Capital International Investors7,483,0124.43%$1.29B+156,2340.27%
Geode Capital Management, LLC4,489,2772.66%$770.33M+152,2810.04%
Bank Of America Corp /De/4,180,7182.47%$720.21M−18,7150.05%
Invesco Ltd.3,173,7751.88%$546.75M+166,4690.04%
Morgan Stanley2,863,7191.69%$493.33M−137,4670.03%
Deutsche Bank AG\2,505,8161.48%$431.68M−41,2210.13%
Price T Rowe Associates Inc /Md/2,481,6491.47%$427.52K−233,4580.04%
Aqr Capital Management LLC2,373,9031.40%$408.95M+1,551,1270.14%
Goldman Sachs Group Inc2,165,7841.28%$373.10M+230,6220.03%
Qube Research & Technologies Ltd2,136,5321.26%$368.06M+2,053,9010.34%
Norges Bank2,079,2271.23%$358.19MNew0.04%
Massachusetts Financial Services Co /Ma/1,842,5831.09%$321.41M+69,9820.10%
Amundi1,823,7141.08%$314.17M+520,8280.08%
Citadel Advisors LLC1,736,4051.03%$299.13M+984,8010.03%
Legal & General Group Plc1,605,3730.95%$276.56M−11,0070.06%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 20261,040163M96.5%133 / 416341 / 9618M15M
Q1 20261,018160M94.7%142 / 407307 / 8836M18M
Q4 2025979163M96.6%143 / 364306 / 6312M9M
Q3 2025912160M94.7%122 / 358263 / 717M8M
Q2 2025871161M95.3%96 / 371272 / 7411M7M
Q1 2025860158M93.5%115 / 347261 / 589M7M
Q4 2024816157M92.7%117 / 308255 / 4614M7M
Q3 2024756151M89.4%87 / 274264 / 5527M7M
Q2 2024734144M85.4%66 / 277262 / 5311M10M
Q1 2024730144M85.3%81 / 300226 / 6412M6M
Q4 2023721139M82.2%117 / 253248 / 5413M10M
Q3 2023667136M80.2%70 / 261219 / 676M5M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of ATOValue% of fundAs of
Vanguard Total Stock Market Index Fund5,298,6253.14%$912.79M0.04%Jun 30, 2026
Vanguard 500 Index Fund4,325,4362.56%$745.14M0.04%Jun 30, 2026
Vanguard Small-Cap Index Fund3,827,5512.26%$659.37M0.35%Jun 30, 2026
American Funds Fundamental Investors3,116,3811.84%$536.86M0.30%Jun 30, 2026
State Street(R) Utilities Select Sector SPDR(R) ETF2,716,1081.61%$467.90M2.02%Jun 30, 2026
Vanguard Small-Cap Value Index Fund2,424,9701.43%$417.75M0.62%Jun 30, 2026
Vanguard Equity Income Fund2,387,2311.41%$411.25M0.63%Jun 30, 2026
iShares Core S&P 500 ETF2,296,0061.36%$395.53M0.04%Jun 30, 2026
Fidelity 500 Index Fund2,117,1391.25%$358.07M0.04%May 31, 2026
Capital Income Builder1,653,6670.98%$285.72M0.22%Jul 31, 2026
Investment Co of America1,315,9300.78%$226.70M0.12%Jun 30, 2026
Washington Mutual Investors Fund1,174,1330.69%$202.87M0.09%Jul 31, 2026
iShares MSCI USA Quality Factor ETF1,171,8690.69%$202.48M0.44%Jul 31, 2026
T. Rowe Price Dividend Growth Fund, Inc.1,167,2420.69%$201.08M0.85%Jun 30, 2026
Vanguard Utilities Index Fund1,125,8600.67%$190.42M1.80%May 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
John K. AkersPRESIDENT & CEO, Director149,1640.09%May 4, 2026
J. Matt RobbinsSR VP, HUMAN RESOURCES28,8160.02%Sep 17, 2026
Michelle FaulkVice President & Controller1,2030.00%May 4, 2026
Karen E. HartsfieldSenior Advisor34,8600.02%May 4, 2026
John S. McDillSR VP, UTILITY OPERATIONS39,5780.02%May 4, 2026
Christopher T. ForsytheSR VICE PRESIDENT & CFO63,4600.04%May 4, 2026
Jessica Walker BatemanSr VP, Gen Counsel, Corp Sec'y2,5000.00%Feb 4, 2026
Richard M. ThomasVICE PRESIDENT & CONTROLLER4,3750.00%Nov 7, 2024
James Henry Jeffries IVDirector4,5940.00%Sep 2, 2026
William James WareDirector24,5350.01%Aug 12, 2026
Edward GeiserDirector2,6020.00%Jul 2, 2026
Rafael G. GarzaDirector2570.00%Jul 2, 2026
Mitzi H. CooglerDirector––Mar 10, 2026
Nancy K. QuinnDirector0–Mar 10, 2026
Kim R. CocklinDirector173,7140.10%Mar 10, 2026
John C. AleDirector1,0820.00%Mar 10, 2026
Frank H. YohoDirector3,0000.00%Mar 10, 2026
Kelly H. ComptonDirector7,9590.00%Mar 10, 2026
Sean DonohueDirector8770.00%Mar 10, 2026
Telisa ToliverDirector––Mar 10, 2026
Richard A. SampsonDirector41,7670.02%Feb 5, 2026
Diana J. WaltersDirector8,0070.00%Feb 6, 2025
Richard K. GordonDirector81,9800.05%Feb 6, 2025

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
J. Matt Robbins
SR VP, HUMAN RESOURCES
Sep 15, 2026Gift−1,500––25,866
William James Ware
Director
Aug 11, 2026Buy+300$167.59$50.28K488
Rafael G. Garza
Director
Jul 1, 2026Award+65$172.92$11.24K257
J. Matt Robbins
SR VP, HUMAN RESOURCES
May 2, 2026Option exercise+2,815$189.74$534.12K28,408
J. Matt Robbins
SR VP, HUMAN RESOURCES
May 2, 2026Tax withholding−1,042$189.74$197.71K27,366
John S. McDill
SR VP, UTILITY OPERATIONS
May 2, 2026Option exercise+2,815$189.74$534.12K37,414
John S. McDill
SR VP, UTILITY OPERATIONS
May 2, 2026Tax withholding−1,042$189.74$197.71K36,372
Christopher T. Forsythe
SR VICE PRESIDENT & CFO
May 2, 2026Tax withholding−1,563$189.74$296.56K62,022
Christopher T. Forsythe
SR VICE PRESIDENT & CFO
May 2, 2026Option exercise+3,970$189.74$753.27K63,585
John K. Akers
PRESIDENT & CEO, Director
May 2, 2026Tax withholding−6,235$187.74$1.17M135,979
John K. Akers
PRESIDENT & CEO, Director
May 2, 2026Option exercise+16,850$189.74$3.20M142,214
Michelle Faulk
Vice President & Controller
May 2, 2026Tax withholding−70$189.74$13.28K1,202
Michelle Faulk
Vice President & Controller
May 2, 2026Option exercise+175$189.74$33.20K1,272
Karen E. Hartsfield
Senior Advisor
May 2, 2026Tax withholding−1,042$189.74$197.71K32,986
Karen E. Hartsfield
Senior Advisor
May 2, 2026Option exercise+2,815$189.74$534.12K34,028
Rafael G. Garza
Director
Apr 1, 2026Award+60$185.09$11.11K192
Kim R. Cocklin
Director
Mar 7, 2026Option exercise+1,082$184.73$199.88K173,714
Kelly H. Compton
Director
Mar 7, 2026Option exercise+1,082$184.73$199.88K7,959
John C. Ale
Director
Mar 7, 2026Option exercise+1,082$184.73$199.88K1,082
Richard A. Sampson
Director
Feb 4, 2026Conversion+685$171.62$117.56K41,767
Richard A. Sampson
Director
Feb 4, 2026Conversion+30,808$171.62$5.29M41,082
Rafael G. Garza
Director
Jan 2, 2026Award+66$168.23$11.10K132
Jessica Walker Bateman
Sr VP, Gen Counsel, Corp Sec'y
Jan 2, 2026Option exercise+2,500$168.23$420.58K2,500
Jessica Walker Bateman
Sr VP, Gen Counsel, Corp Sec'y
Jan 2, 2026Tax withholding−1,042$168.23$175.30K1,458
Kelly H. Compton
Director
Dec 16, 2025Gift−442$169.16$74.77K6,877
J. Matt Robbins
SR VP, HUMAN RESOURCES
Dec 10, 2025Gift−1,500$166.80$250.20K25,593
Sean Donohue
Director
Dec 3, 2025Sale−450$171.15$77.02K877
Karen E. Hartsfield
Senior Advisor
Nov 4, 2025Tax withholding−2,124$172.96$367.37K31,213
Karen E. Hartsfield
Senior Advisor
Nov 4, 2025Option exercise+5,396$172.96$933.29K33,337
John S. McDill
SR VP, UTILITY OPERATIONS
Nov 4, 2025Tax withholding−2,124$172.96$367.37K34,594
John S. McDill
SR VP, UTILITY OPERATIONS
Nov 4, 2025Option exercise+5,396$172.96$933.29K36,718
Christopher T. Forsythe
SR VICE PRESIDENT & CFO
Nov 4, 2025Tax withholding−2,995$172.96$518.02K59,615
Christopher T. Forsythe
SR VICE PRESIDENT & CFO
Nov 4, 2025Option exercise+7,610$172.96$1.32M62,610
J. Matt Robbins
SR VP, HUMAN RESOURCES
Nov 4, 2025Tax withholding−2,124$172.96$367.37K27,093
J. Matt Robbins
SR VP, HUMAN RESOURCES
Nov 4, 2025Option exercise+5,396$172.96$933.29K29,217
John K. Akers
PRESIDENT & CEO, Director
Nov 4, 2025Option exercise+32,297$172.96$5.59M138,073
John K. Akers
PRESIDENT & CEO, Director
Nov 4, 2025Tax withholding−12,709$172.96$2.20M125,364
Michelle Faulk
Vice President & Controller
Nov 4, 2025Option exercise+336$172.96$58.11K1,207
Michelle Faulk
Vice President & Controller
Nov 4, 2025Tax withholding−116$172.96$20.06K1,091
Rafael G. Garza
Director
Oct 1, 2025Award+66$170.13$11.23K66
Kim R. Cocklin
Director
May 14, 2025Sale(10b5-1 plan)−15,000$150.98$2.26M172,632
Karen E. Hartsfield
Senior Advisor
May 2, 2025Tax withholding−986$160.66$158.41K27,941
Karen E. Hartsfield
Senior Advisor
May 2, 2025Option exercise+2,505$160.66$402.45K28,927
J. Matt Robbins
SR VP, HUMAN RESOURCES
May 2, 2025Option exercise+2,505$160.66$402.45K24,817
J. Matt Robbins
SR VP, HUMAN RESOURCES
May 2, 2025Tax withholding−996$160.66$160.02K23,821
John K. Akers
PRESIDENT & CEO, Director
May 2, 2025Option exercise+11,140$160.66$1.79M109,898
John K. Akers
PRESIDENT & CEO, Director
May 2, 2025Tax withholding−4,122$160.66$662.24K105,776
Christopher T. Forsythe
SR VICE PRESIDENT & CFO
May 2, 2025Tax withholding−1,350$160.66$216.89K55,000
Christopher T. Forsythe
SR VICE PRESIDENT & CFO
May 2, 2025Option exercise+3,430$160.66$551.06K56,350
Michelle Faulk
Vice President & Controller
May 2, 2025Tax withholding−64$160.66$10.28K865
Michelle Faulk
Vice President & Controller
May 2, 2025Option exercise+160$160.66$25.71K929
John S. McDill
SR VP, UTILITY OPERATIONS
May 2, 2025Option exercise+2,505$160.66$402.45K32,244
John S. McDill
SR VP, UTILITY OPERATIONS
May 2, 2025Tax withholding−927$160.66$148.93K31,317
Kelly H. Compton
Director
Mar 8, 2025Option exercise+1,293$147.75$191.04K7,319
Sean Donohue
Director
Mar 8, 2025Option exercise+1,293$147.75$191.04K1,312
Kim R. Cocklin
Director
Mar 8, 2025Option exercise+1,293$147.75$191.04K187,632
Diana J. Walters
Director
Feb 5, 2025Conversion+4,456$144.69$644.74K8,007
Diana J. Walters
Director
Feb 5, 2025Option exercise+1,293$144.69$187.08K9,300
Richard K. Gordon
Director
Feb 5, 2025Conversion+71,980$144.69$10.41M81,980
J. Matt Robbins
SR VP, HUMAN RESOURCES
Nov 15, 2024Gift−1,500––22,312

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Donohue Sean
Director
Dec 3, 2025452$77.36KDec 3, 2025Restricted Stock
Kim R. Cocklin
Director
May 14, 202515,000$2.30MMay 14, 2025COMPENSATION BETWEEB 5/4/19 TO 5/5/23
Energy Corporation Master Retirement Trust Atmos
Issuer is Settlor of Trust
Dec 10, 2024210,000$30.92MDec 10, 2024Issuance of shares to Trust for the benefit of Atmos Energy Corporation Pension Account Plan
Kim R. Cocklin
Director
Mar 27, 202415,000$1.74MMar 27, 2024COMPENSATION
M. Thomas Richard
Officer
Nov 17, 20231,750$199.85KNov 17, 2023Restricted Stock Award Vesting
Kim R. Cocklin
Director
Nov 6, 202312,500$1.39MNov 6, 2023COMPENSATION
Kim R. Cocklin
Director
Aug 7, 202312,500$1.47MAug 7, 2023COMPENSATION
Kim R. Cocklin
Director
May 1, 202312,500$1.43MMay 1, 2023COMPENSATION