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Atmos Energy (ATO) Institutional Ownership

Atmos Energy logo
$163.27 -1.54 (-0.93%)
Closing price 09/11/2026 03:58 PM Eastern
Extended Trading
$163.35 +0.08 (+0.05%)
As of 09/11/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Atmos Energy (NYSE:ATO)

Current
Institutional Ownership
Percentage
90.17%
Number of
Institutional Buyers
(last 12 months)
606
Total
Institutional Inflows
(last 12 months)
$13.32B
Number of
Institutional Sellers
(last 12 months)
362
Total
Institutional Outflows
(last 12 months)
$2.50B
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ATO Institutional Buying and Selling by Quarter

Atmos Energy Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026 Sequoia Financial Advisors LLC10,364$1.79M0.0%-2.4%0.006%
9/9/2026 Tidal Investments LLC42,632$7.34M0.0%+163.5%0.025%
9/9/2026 National Pension Service250,465$43.15M0.0%+2.4%0.148%
9/9/2026 Engineers Gate Manager LP78,123$13.46M0.2%N/A0.046%
9/9/2026 NewEdge Advisors LLC15,376$2.65M0.0%+62.7%0.009%
9/9/2026 IFP Advisors Inc3,178$547K0.0%+85.8%0.002%
9/9/2026 Squarepoint Ops LLC138,416$23.85M0.0%+253.0%0.082%
9/9/2026 Baird Financial Group Inc.126,879$21.86M0.0%-0.3%0.075%
9/8/2026 Allworth Financial LP4,975$857K0.0%+81.6%0.003%
9/8/2026 Arizona State Retirement System47,433$8.17M0.0%+7.9%0.028%
9/8/2026 West Family Investments Inc.4,629$797K0.2%N/A0.003%
9/8/2026 Waverly Advisors LLC6,749$1.16M0.0%+30.6%0.004%
9/8/2026 Empirical Finance LLC4,970$856K0.0%+4.2%0.003%
9/8/2026 Nykredit A S66,047$11.38M0.0%N/A0.039%
9/4/2026 Parkside Financial Bank & Trust1,046$180K0.0%-5.5%0.001%
8/27/2026 Corient Private Wealth LP80,046$13.79M0.0%-15.1%0.047%
8/26/2026 Amundi1,823,714$314.17M0.1%+40.0%1.079%
8/26/2026 HighTower Advisors LLC53,701$9.25M0.0%-6.9%0.032%
8/25/2026 Groupe la Francaise2,364$407K0.0%N/A0.001%
8/24/2026 California State Teachers Retirement System33,258,618$5.73B0.0%+6,920.2%19.681%
8/23/2026 Ameritas Advisory Services LLC1,171$202K0.0%-82.2%0.001%
8/23/2026 HB Wealth Management LLC8,024$1.38M0.0%+30.0%0.005%
8/23/2026 Nilsine Partners LLC485,268$83.60M5.8%-1.2%0.287%
8/23/2026 Saudi Central Bank11,581$2.00M0.0%+94.0%0.007%
8/23/2026 Azimuth Capital Investment Management LLC1,525$263K0.0%+7.0%0.001%
8/22/2026 AlphaGrep UK Ltd2,740$472K0.1%N/A0.002%
8/22/2026 Shah Wealth Advisors LLC1,899$327K0.1%N/A0.001%
8/22/2026 Raiffeisen Bank International AG15,040$2.63M0.0%-0.4%0.009%
8/22/2026 TD Waterhouse Canada Inc.3,700$640K0.0%-3.2%0.002%
8/22/2026 Concurrent Investment Advisors LLC11,607$2M0.0%-4.1%0.007%
8/22/2026 NEOS Investment Management LLC26,510$4.57M0.0%+16.5%0.016%
8/21/2026 AXQ Capital LP11,224$1.93M0.2%N/A0.007%
8/21/2026 iSAM Funds UK Ltd17,300$2.98M2.1%N/A0.010%
8/21/2026 Continuum Advisory LLC147$25K0.0%N/A0.000%
8/21/2026 Nykredit A S73,921$12.73M0.0%N/A0.044%
8/21/2026 B. Metzler seel. Sohn & Co. AG27,937$4.81M0.0%-5.0%0.017%
8/21/2026 Symphony Financial Ltd. Co.1,640$287K0.0%+19.4%0.001%
8/20/2026 Ancora Advisors LLC816$141K0.0%-24.7%0.000%
8/20/2026 Benjamin Edwards Inc.341,125$58.77M0.5%+0.5%0.202%
8/20/2026 Northwestern Mutual Wealth Management Co.4,477$771K0.0%-16.2%0.003%
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8/20/2026 Wedbush Securities Inc.1,912$329K0.0%-20.7%0.001%
8/20/2026 Hennessy Advisors Inc.148,286$25.55M0.8%+3.5%0.088%
8/19/2026 Trustmark Bank Trust Department13,192$2.27M0.1%-0.7%0.008%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1,098,374$189.22M0.0%+3.3%0.650%
8/19/2026 New Mexico Educational Retirement Board8,200$1.41M0.0%+10.8%0.005%
8/19/2026 Royal London Asset Management Ltd.254,611$43.86M0.1%-0.2%0.151%
8/19/2026 Mufg Securities Americas Inc.5,028$866K0.0%+9.8%0.003%
8/19/2026 Van ECK Associates Corp71,024$12.24M0.0%+5.7%0.042%
8/19/2026 Ferguson Wellman Capital Management Inc.2,573$443K0.0%N/A0.002%
8/19/2026 Nissay Asset Management Corp Japan23,188$4.00M0.0%+5.2%0.014%
8/19/2026 Navellier & Associates Inc.22,750$3.92M0.3%+1.4%0.013%
8/19/2026 Wellington Management Group LLP9,185,788$1.58B0.3%-4.8%5.436%
8/19/2026 Kingsview Wealth Management LLC6,134$1.06M0.0%N/A0.004%
8/18/2026 Beacon Pointe Advisors LLC4,181$720K0.0%N/A0.002%
8/18/2026 Pin Oak Investment Advisors Inc.149$28K0.0%N/A0.000%
8/18/2026 Livforsakringsbolaget Skandia Omsesidigt500$86K0.0%N/A0.000%
8/18/2026 Glenview Trust Co2,233$385K0.0%N/A0.001%
8/18/2026 Empowered Funds LLC8,349$1.44M0.0%N/A0.005%
8/18/2026 United Capital Financial Advisors LLC5,479$944K0.0%N/A0.003%
8/18/2026 Dearborn Partners LLC188,329$32.44M1.5%N/A0.111%
8/18/2026 Equitable Holdings Inc.1,586$273K0.0%N/A0.001%
8/18/2026 FSA Advisors Inc.1,794$309K0.1%N/A0.001%
8/18/2026 Coastal Bridge Advisors LLC6,210$1.07M0.1%N/A0.004%
8/18/2026Jefferies Financial Group Inc.6,741$1.16M0.0%N/A0.004%
8/18/2026 Public Employees Retirement System of Ohio53,090$9.15M0.0%N/A0.031%
8/17/2026 Transamerica Financial Advisors LLC350$60K0.0%N/A0.000%
8/17/2026 Corient Private Wealth LP88,635$15.27M0.0%N/A0.052%
8/17/2026 Bank of America Corp DE4,180,718$720.21M0.0%N/A2.474%
8/15/2026 Caisse de depot et placement du Quebec81,083$13.97M0.0%N/A0.048%
8/15/2026 Man Group plc83,400$14.37M0.0%N/A0.049%
8/15/2026 Councilmark Asset Management LLC1,355$233K0.1%N/A0.001%
8/15/2026 First Bancorp Inc ME205$35K0.0%N/A0.000%
8/15/2026 Jupiter Topco LLC14,521$2.50M0.0%N/A0.009%
8/14/2026 Hsbc Holdings PLC672,843$115.99M0.0%-13.8%0.398%
8/14/2026 EFG International AG1,937$334K0.0%N/A0.001%
8/14/2026 Ancora Advisors LLC816$141K0.0%N/A0.000%
8/14/2026 PDT Partners LLC16,460$2.84M0.1%N/A0.010%
8/14/2026 Canada Pension Plan Investment Board39,604$6.82M0.0%N/A0.023%
8/14/2026 Kinloch Capital LLC24,779$4.27M1.6%N/A0.015%
8/14/2026 Legal & General Group Plc1,605,373$276.56M0.1%N/A0.950%
8/14/2026 The Manufacturers Life Insurance Company387,012$66.67M0.1%N/A0.229%
8/14/2026 Cetera Trust Company N.A250$43K0.0%N/A0.000%
8/14/2026 Dearborn Partners LLC188,269$34.78M1.9%N/A0.111%
8/13/2026 Gallo Partners LP6,432$1.11M2.5%N/A0.004%
8/13/2026 OMERS ADMINISTRATION Corp8,136$1.40M0.0%N/A0.005%
8/13/2026 Osmosis Investment Management UK Ltd2,793$481K0.0%N/A0.002%
8/13/2026 Meiji Yasuda Asset Management Co Ltd.4,067$701K0.0%N/A0.002%
8/13/2026 Magellan Asset Management Ltd186,934$32.20M0.7%N/A0.111%
8/13/2026 Bank of Nova Scotia36,395$6.27M0.0%N/A0.022%
8/12/2026 Elevation Point Wealth Partners LLC4,837$833K0.0%N/A0.003%
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8/12/2026 Daiichi Life Insurance Co. Ltd.35,960$6.20M0.1%N/A0.021%
8/12/2026 Commerce Bank8,194$1.41M0.0%N/A0.005%
8/12/2026 GQG Partners LLC1,175,136$202.44M0.4%N/A0.695%
8/12/2026 Northwestern Mutual Wealth Management Co.4,477$771K0.0%N/A0.003%
8/12/2026 Quantbot Technologies LP25,562$4.40M0.2%N/A0.015%
8/12/2026 Evolve Private Wealth LLC2,848$491K0.0%N/A0.002%
8/12/2026 Farringdon Capital Ltd.1,358$234K0.1%N/A0.001%
8/12/2026 Korea Investment CORP157,716$27.17M0.1%N/A0.093%
8/12/2026 EP Wealth Advisors LLC1,924$332K0.0%N/A0.001%
8/12/2026 Pinnacle West Asset Management Inc.1,845$318K0.2%N/A0.001%


ATO Institutional Ownership - Frequently Asked Questions

During the previous two years, 1,004 institutional investors and hedge funds held shares of Atmos Energy. The most heavily invested institutionals were California State Teachers Retirement System ($5.73B), Vanguard Group Inc. ($3.53B), BlackRock Inc. ($2.62B), Capital International Investors ($1.99B), State Street Corp ($1.81B), Wellington Management Group LLP ($1.58B), and Price T Rowe Associates Inc. MD ($1.11B).Learn more on Atmos Energy's institutional investors.

90.17% of Atmos Energy's stock is owned by institutional investors. Learn more on ATO's institutional investor holdings.

Of the 897 institutional investors that purchased Atmos Energy's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: California State Teachers Retirement System ($33.12M), BlackRock Inc. ($15.24M), Bank of America Corp DE ($7.48M), Capital International Investors ($6.83M), Norges Bank ($5.29M), Deutsche Bank AG ($2.61M), and Legal & General Group Plc ($1.61M).

Institutional investors have bought a total of 77,436,752 shares in the last 24 months. This purchase volume represents approximately $13.32B in transactions.

Of the 362 institutional investors that sold Atmos Energy's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Aristotle Capital Management LLC ($2.75M), Wellington Management Group LLP ($1.84M), Price T Rowe Associates Inc. MD ($1.22M), Squarepoint Ops LLC ($622.82K), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($512.60K), Cooke & Bieler LP ($370.77K), and Capital Group Private Client Services Inc. ($356.40K).

Institutional investors have sold a total of 14,603,512 shares in the last 24 months. This volume of shares sold represents approximately $2.50B in transactions.


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Institutional ownership data for NYSE:ATO is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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