Atmos Energy Corp

ATO

Exchange: NYSE
Industry: Natural Gas Distribution
SEC CIK: 0000731802

SEC filings (opens in a new tab)

In the last 90 days, Atmos Energy Corp insiders filed 1 open-market purchase and 0 sales; 1,044 institutions reported holding it in 13F filings for Q2 2026, worth $28.0B in total; no superinvestor holds it.

13F holders, Q3 2021

Institutional positions in Atmos Energy Corp as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 536; −6 vs. Q2 2021
Shares held: 112.6M; +4.85M (+4.5%) vs. Q2 2021
Total value: $9.93B; −$426.3M (−4.1%) vs. Q2 2021
New holders: 50; 220 more added
Sold out: 56; 159 more reduced

6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ATO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2021: 536 institutions

Value heldQ3 2021: $9.93B

Institutions holding ATO and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,044	$28.0B
Q1 2026	1,020	$29.6B
Q4 2025	980	$27.2B
Q3 2025	912	$27.2B
Q2 2025	871	$24.7B
Q1 2025	861	$24.4B
Q4 2024	818	$21.8B
Q3 2024	758	$20.8B
Q2 2024	736	$16.7B
Q1 2024	731	$16.6B
Q4 2023	722	$15.8B
Q3 2023	669	$14.4B
Q2 2023	672	$15.8B
Q1 2023	664	$14.7B
Q4 2022	663	$14.6B
Q3 2022	631	$13.1B
Q2 2022	620	$14.2B
Q1 2022	608	$14.9B
Q4 2021	575	$12.4B
Q3 2021	536	$9.93B
Q2 2021	548	$10.5B
Q1 2021	550	$10.7B

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding Atmos Energy Corp; share changes are against Q2 2021.

Institutions holding ATO in Q3 2021
Institution	Shares	Value	% of portfolio	Change in shares	Action
Assetmark, Inc	118	$10.0K	0.00%	00.0%	Unchanged
Central Trust Co	100	$9.00K	0.00%	−35−25.9%	Reduced
Parkside Financial Bank & Trust	105	$9.00K	0.00%	−22−17.3%	Reduced
Oakworth Capital, Inc.	105	$9.00K	0.00%	00.0%	Unchanged
Global Retirement Partners, LLC	100	$9.00K	0.00%	00.0%	Unchanged
Harbor Investment Advisory, LLC	96	$8.00K	0.00%	00.0%	Unchanged
Clearview Wealth Advisors LLC	87	$8.00K	0.01%	+11+14.5%	Added
Capital Analysts, LLC	70	$6.00K	0.00%	−15−17.6%	Reduced
Farmers & Merchants Investments Inc	68	$6.00K	0.00%	00.0%	Unchanged
O'Shaughnessy Asset Management, LLC	60	$5.00K	0.00%	00.0%	Unchanged
Fieldpoint Private Securities, LLC	60	$5.00K	0.00%	00.0%	Unchanged
Sound Income Strategies, LLC	60	$5.00K	0.00%	00.0%	Unchanged
JJJ Advisors Inc.	59	$5.00K	0.00%	+10+20.4%	Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA	50	$4.41K	0.01%	00.0%	Unchanged
Zions Bancorporation, N.A.	51	$4.00K	0.00%	−12−19.0%	Reduced
Lindbrook Capital, LLC	47	$4.00K	0.00%	+2+4.4%	Added
Arkadios Wealth Advisors	50	$4.00K	0.00%	00.0%	Unchanged
Meridian Wealth Partners, LLC	47	$4.00K	0.00%	+47	New
MV Capital Management, Inc.	34	$3.00K	0.00%	−15−30.6%	Reduced
TSFG, LLC	27	$2.00K	0.00%	00.0%	Unchanged
Institutional & Family Asset Management, LLC	20	$2.00K	0.00%	00.0%	Unchanged
Providence Capital Advisors, LLC	24	$2.00K	0.00%	00.0%	Unchanged
SOA Wealth Advisors, LLC.	30	$2.00K	0.00%	00.0%	Unchanged
Bell Investment Advisors, Inc	23	$2.00K	0.00%	+23	New
Glassman Wealth Services	12	$1.00K	0.00%	−19−61.3%	Reduced
Manchester Capital Management LLC	14	$1.00K	0.00%	−6−30.0%	Reduced
Financial Management Professionals, Inc.	7	$1.00K	0.00%	−12−63.2%	Reduced
C M Bidwell & Associates Ltd	13	$1.00K	0.00%	00.0%	Unchanged
BerganKDV Wealth Management, LLC	13	$1.00K	0.00%	00.0%	Unchanged
SRS Capital Advisors, Inc.	7	$1.00K	0.00%	+7	New
Optiver Holding B.V.	10	$1.00K	0.00%	+10	New
Raffa Wealth Management, LLC	10	$882	0.00%	−3−23.1%	Reduced
Glen Eagle Advisors, LLC	4	$355	0.00%	+3+300.0%	Added
USA Financial Portformulas Corp	3	$0	0.00%	00.0%	Unchanged
First Command Advisory Services, Inc.	33	$0	0.00%	+33	New
Eagle Bay Advisors LLC	3	$0	0.00%	00.0%	Unchanged
Pensionfund DSM Netherlands	0	$0	0.00%	−31,000−100.0%	Sold out
Coann Capital LLC	0	$0	0.00%	−68,264−100.0%	Sold out
Acadian Asset Management LLC	0	$0	0.00%	−46,648−100.0%	Sold out
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund	0	$0	0.00%	−10,580−100.0%	Sold out
Verition Fund Management LLC	0	$0	0.00%	−9,508−100.0%	Sold out
Lazard Asset Management LLC	0	$0	0.00%	−6,624−100.0%	Sold out
Quantbot Technologies LP	0	$0	0.00%	−6,459−100.0%	Sold out
Quantitative Investment Management, LLC	0	$0	0.00%	−6,370−100.0%	Sold out
Sciencast Management LP	0	$0	0.00%	−5,641−100.0%	Sold out
Mirabella Financial Services LLP	0	$0	0.00%	−5,209−100.0%	Sold out
Quantitative Systematic Strategies LLC	0	$0	0.00%	−5,028−100.0%	Sold out
Quadrature Capital Ltd	0	$0	0.00%	−4,909−100.0%	Sold out
Burns J W & Co Inc	0	$0	0.00%	−4,825−100.0%	Sold out
SageGuard Financial Group, LLC	0	$0	0.00%	−4,800−100.0%	Sold out
Tudor Investment Corp Et Al	0	$0	0.00%	−4,596−100.0%	Sold out
Paloma Partners Management Co	0	$0	0.00%	−4,582−100.0%	Sold out
Donaldson Capital Management, LLC	0	$0	0.00%	−4,356−100.0%	Sold out
River Road Asset Management, LLC	0	$0	0.00%	−4,264−100.0%	Sold out
Lombard Odier Asset Management (Switzerland) SA	0	$0	0.00%	−4,046−100.0%	Sold out
PRW Wealth Management LLC	0	$0	0.00%	−4,047−100.0%	Sold out
Voloridge Investment Management, LLC	0	$0	0.00%	−3,489−100.0%	Sold out
AE Wealth Management LLC	0	$0	0.00%	−3,453−100.0%	Sold out
Aureus Asset Management, LLC	0	$0	0.00%	−3,325−100.0%	Sold out
A. D. Beadell Investment Counsel, Inc.	0	$0	0.00%	−3,320−100.0%	Sold out
Versor Investments LP	0	$0	0.00%	−3,300−100.0%	Sold out
Stevens Capital Management LP	0	$0	0.00%	−3,222−100.0%	Sold out
BP PLC	0	$0	0.00%	−2,983−100.0%	Sold out
Cornercap Investment Counsel Inc	0	$0	0.00%	−2,908−100.0%	Sold out
Rockland Trust Co	0	$0	0.00%	−2,769−100.0%	Sold out
Bridgefront Capital, LLC	0	$0	0.00%	−2,655−100.0%	Sold out
Balasa Dinverno & Foltz LLC	0	$0	0.00%	−2,552−100.0%	Sold out
Azzad Asset Management Inc	0	$0	0.00%	−2,534−100.0%	Sold out
Teza Capital Management LLC	0	$0	0.00%	−2,459−100.0%	Sold out
Engineers Gate Manager LP	0	$0	0.00%	−2,410−100.0%	Sold out
Prelude Capital Management, LLC	0	$0	0.00%	−2,337−100.0%	Sold out
Venture Visionary Partners LLC	0	$0	0.00%	−2,302−100.0%	Sold out
Advisor Partners LLC	0	$0	0.00%	−2,239−100.0%	Sold out
CMG Global Holdings, LLC	0	$0	0.00%	−2,175−100.0%	Sold out
Alpha Omega Wealth Management LLC	0	$0	0.00%	−2,162−100.0%	Sold out
Patton Albertson Miller Group, LLC	0	$0	0.00%	−2,150−100.0%	Sold out
PEAK6 Investments LLC	0	$0	0.00%	−1,747−100.0%	Sold out
Dark Forest Capital Management LP	0	$0	0.00%	−719−100.0%	Sold out
Healthcare of Ontario Pension Plan Trust Fund	0	$0	0.00%	−670−100.0%	Sold out
Concord Wealth Partners	0	$0	0.00%	−500−100.0%	Sold out
Beck Bode, LLC	0	$0	0.00%	−411−100.0%	Sold out
AGF Investments LLC	0	$0	0.00%	−360−100.0%	Sold out
Old Second National Bank of Aurora	0	$0	0.00%	−213−100.0%	Sold out
CVA Family Office, LLC	0	$0	0.00%	−80−100.0%	Sold out
Corbenic Partners LLC	0	$0	0.00%	−75−100.0%	Sold out
Pflug Koory, LLC	0	$0	0.00%	−70−100.0%	Sold out
MUFG Americas Holdings Corp	0	$0	0.00%	−29−100.0%	Sold out
Howe & Rusling Inc	0	$0	0.00%	−26−100.0%	Sold out
Enterprise Financial Services Corp	0	$0	0.00%	−21−100.0%	Sold out
National Pension Service	0	$0	0.00%	−10−100.0%	Sold out
Standard Family Office LLC	0	$0	0.00%	−12−100.0%	Sold out
KB Financial Partners, LLC	0	$0	0.00%	−15−100.0%	Sold out
Pictet Asset Management Ltd	–	–	–	–	Not filed
Smith Asset Management Group LP	–	–	–	–	Not filed
Pinnacle Wealth Advisors	–	–	–	–	Not filed
QS Investors, LLC	–	–	–	–	Not filed
CWM, LLC	–	–	–	–	Not filed
First Horizon Corp	–	–	–	–	Not filed