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Atmos Energy (ATO) Institutional Ownership

Atmos Energy logo
$156.20 -0.24 (-0.15%)
Closing price 10/1/2026 03:59 PM Eastern
Extended Trading
$156.44 +0.24 (+0.15%)
As of 08:02 AM 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)
612
Total
Institutional Inflows
(last 12 months)
$7.69B
Number of
Institutional Sellers
(last 12 months)
361
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
10/2/2026Versant Capital Management Inc3,126$489K0.0%+179.4%0.002%
10/1/2026Burkett Financial Services LLC557$87K0.0%N/A0.000%
10/1/2026Montecito Bank & Trust3,026$473K0.1%N/A0.002%
10/1/2026Stonebridge Financial Group LLC817$128K0.0%N/A0.000%
9/23/2026QRG Capital Management Inc.60,293$10.39M0.1%N/A0.036%
9/23/2026Envestnet Portfolio Solutions Inc.7,815$1.35M0.0%+504.9%0.005%
9/17/2026Wellington Altus USA Inc.752$130K0.1%-56.0%0.000%
9/15/2026Anchor Investment Management LLC22,612$3.90M0.3%+176.7%0.013%
9/9/2026Sequoia Financial Advisors LLC10,364$1.79M0.0%-2.4%0.006%
9/9/2026Tidal Investments LLC42,632$7.34M0.0%+163.5%0.025%
9/9/2026National Pension Service250,465$43.15M0.0%+2.4%0.148%
9/9/2026Engineers Gate Manager LP78,123$13.46M0.2%N/A0.046%
9/9/2026NewEdge Advisors LLC15,376$2.65M0.0%+62.7%0.009%
9/9/2026IFP Advisors Inc3,178$547K0.0%+85.8%0.002%
9/9/2026Squarepoint Ops LLC138,416$23.85M0.0%+253.0%0.082%
9/9/2026Baird Financial Group Inc.126,879$21.86M0.0%-0.3%0.075%
9/8/2026Allworth Financial LP4,975$857K0.0%+81.6%0.003%
9/8/2026Arizona State Retirement System47,433$8.17M0.0%+7.9%0.028%
9/8/2026West Family Investments Inc.4,629$797K0.2%N/A0.003%
9/8/2026Waverly Advisors LLC6,749$1.16M0.0%+30.6%0.004%
9/8/2026Empirical Finance LLC4,970$856K0.0%+4.2%0.003%
9/8/2026Nykredit A S66,047$11.38M0.0%N/A0.039%
9/4/2026Parkside Financial Bank & Trust1,046$180K0.0%-5.5%0.001%
8/27/2026Corient Private Wealth LP80,046$13.79M0.0%-15.1%0.047%
8/26/2026Amundi1,823,714$314.17M0.1%+40.0%1.079%
8/26/2026HighTower Advisors LLC53,701$9.25M0.0%-6.9%0.032%
8/25/2026Groupe la Francaise2,364$407K0.0%N/A0.001%
8/23/2026Ameritas Advisory Services LLC1,171$202K0.0%-82.2%0.001%
8/23/2026HB Wealth Management LLC8,024$1.38M0.0%+30.0%0.005%
8/23/2026Nilsine Partners LLC485,268$83.60M5.8%-1.2%0.287%
8/23/2026Saudi Central Bank11,581$2.00M0.0%+94.0%0.007%
8/23/2026Azimuth Capital Investment Management LLC1,525$263K0.0%+7.0%0.001%
8/22/2026AlphaGrep UK Ltd2,740$472K0.1%N/A0.002%
8/22/2026Shah Wealth Advisors LLC1,899$327K0.1%N/A0.001%
8/22/2026Raiffeisen Bank International AG15,040$2.63M0.0%-0.4%0.009%
8/22/2026TD Waterhouse Canada Inc.3,700$640K0.0%-3.2%0.002%
8/22/2026Concurrent Investment Advisors LLC11,607$2M0.0%-4.1%0.007%
8/22/2026NEOS Investment Management LLC26,510$4.57M0.0%+16.5%0.016%
8/21/2026AXQ Capital LP11,224$1.93M0.2%N/A0.007%
8/21/2026iSAM Funds UK Ltd17,300$2.98M2.1%N/A0.010%
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8/21/2026Continuum Advisory LLC147$25K0.0%N/A0.000%
8/21/2026Nykredit A S73,921$12.73M0.0%N/A0.044%
8/21/2026B. Metzler seel. Sohn & Co. AG27,937$4.81M0.0%-5.0%0.017%
8/21/2026Symphony Financial Ltd. Co.1,640$287K0.0%+19.4%0.001%
8/20/2026Ancora Advisors LLC816$141K0.0%-24.7%0.000%
8/20/2026Benjamin Edwards Inc.341,125$58.77M0.5%+0.5%0.202%
8/20/2026Northwestern Mutual Wealth Management Co.4,477$771K0.0%-16.2%0.003%
8/20/2026Wedbush Securities Inc.1,912$329K0.0%-20.7%0.001%
8/20/2026Hennessy Advisors Inc.148,286$25.55M0.8%+3.5%0.088%
8/19/2026Trustmark Bank Trust Department13,192$2.27M0.1%-0.7%0.008%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1,098,374$189.22M0.0%+3.3%0.650%
8/19/2026New Mexico Educational Retirement Board8,200$1.41M0.0%+10.8%0.005%
8/19/2026Royal London Asset Management Ltd.254,611$43.86M0.1%-0.2%0.151%
8/19/2026Mufg Securities Americas Inc.5,028$866K0.0%+9.8%0.003%
8/19/2026Van ECK Associates Corp71,024$12.24M0.0%+5.7%0.042%
8/19/2026Ferguson Wellman Capital Management Inc.2,573$443K0.0%N/A0.002%
8/19/2026Nissay Asset Management Corp Japan23,188$4.00M0.0%+5.2%0.014%
8/19/2026Navellier & Associates Inc.22,750$3.92M0.3%+1.4%0.013%
8/19/2026Wellington Management Group LLP9,185,788$1.58B0.3%-4.8%5.436%
8/19/2026Kingsview Wealth Management LLC6,134$1.06M0.0%N/A0.004%
8/18/2026Beacon Pointe Advisors LLC4,181$720K0.0%N/A0.002%
8/18/2026Pin Oak Investment Advisors Inc.149$28K0.0%N/A0.000%
8/18/2026Livforsakringsbolaget Skandia Omsesidigt500$86K0.0%N/A0.000%
8/18/2026Glenview Trust Co2,233$385K0.0%N/A0.001%
8/18/2026Empowered Funds LLC8,349$1.44M0.0%N/A0.005%
8/18/2026United Capital Financial Advisors LLC5,479$944K0.0%N/A0.003%
8/18/2026Dearborn Partners LLC188,329$32.44M1.5%N/A0.111%
8/18/2026Equitable Holdings Inc.1,586$273K0.0%N/A0.001%
8/18/2026FSA Advisors Inc.1,794$309K0.1%N/A0.001%
8/18/2026Coastal Bridge Advisors LLC6,210$1.07M0.1%N/A0.004%
8/18/2026Jefferies Financial Group Inc.6,741$1.16M0.0%N/A0.004%
8/18/2026Public Employees Retirement System of Ohio53,090$9.15M0.0%N/A0.031%
8/17/2026Transamerica Financial Advisors LLC350$60K0.0%N/A0.000%
8/17/2026Corient Private Wealth LP88,635$15.27M0.0%N/A0.052%
8/17/2026Bank of America Corp DE4,180,718$720.21M0.0%N/A2.474%
8/15/2026Caisse de depot et placement du Quebec81,083$13.97M0.0%N/A0.048%
8/15/2026Man Group plc83,400$14.37M0.0%N/A0.049%
8/15/2026Councilmark Asset Management LLC1,355$233K0.1%N/A0.001%
8/15/2026First Bancorp Inc ME205$35K0.0%N/A0.000%
8/15/2026Jupiter Topco LLC14,521$2.50M0.0%N/A0.009%
8/14/2026Hsbc Holdings PLC672,843$115.99M0.0%-13.8%0.398%
8/14/2026EFG International AG1,937$334K0.0%N/A0.001%
8/14/2026Ancora Advisors LLC816$141K0.0%N/A0.000%
8/14/2026PDT Partners LLC16,460$2.84M0.1%N/A0.010%
8/14/2026Canada Pension Plan Investment Board39,604$6.82M0.0%N/A0.023%
8/14/2026Kinloch Capital LLC24,779$4.27M1.6%N/A0.015%
8/14/2026Legal & General Group Plc1,605,373$276.56M0.1%N/A0.950%
8/14/2026The Manufacturers Life Insurance Company387,012$66.67M0.1%N/A0.229%
8/14/2026Cetera Trust Company N.A250$43K0.0%N/A0.000%
8/14/2026Dearborn Partners LLC188,269$34.78M1.9%N/A0.111%
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8/13/2026Gallo Partners LP6,432$1.11M2.5%N/A0.004%
8/13/2026OMERS ADMINISTRATION Corp8,136$1.40M0.0%N/A0.005%
8/13/2026Osmosis Investment Management UK Ltd2,793$481K0.0%N/A0.002%
8/13/2026Meiji Yasuda Asset Management Co Ltd.4,067$701K0.0%N/A0.002%
8/13/2026Magellan Asset Management Ltd186,934$32.20M0.7%N/A0.111%
8/13/2026Bank of Nova Scotia36,395$6.27M0.0%N/A0.022%
8/12/2026Elevation Point Wealth Partners LLC4,837$833K0.0%N/A0.003%
8/12/2026Daiichi Life Insurance Co. Ltd.35,960$6.20M0.1%N/A0.021%
8/12/2026Commerce Bank8,194$1.41M0.0%N/A0.005%
8/12/2026GQG Partners LLC1,175,136$202.44M0.4%N/A0.695%


ATO Institutional Ownership - Frequently Asked Questions

During the previous two years, 1,010 institutional investors and hedge funds held shares of Atmos Energy. The most heavily invested institutionals were 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), Price T Rowe Associates Inc. MD ($1.11B), and Aristotle Capital Management LLC ($898.95M).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 903 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: 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), Legal & General Group Plc ($1.61M), and Amundi ($1.44M).

Institutional investors have bought a total of 44,736,666 shares in the last 24 months. This purchase volume represents approximately $7.69B in transactions.

Of the 361 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 14,595,994 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 10/2/2026. New 13F filings are added each quarter as they're published.
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