Vault-13

ATMOS ENERGY CORP ATO

COM · Common Stock · CUSIP 049560105 · ISIN US0495601058

American energy company

631 institutional holders
127,596,422127.6m shares reported held*
90.6% of all shares outstanding*
$13.0bnreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($72.5m this quarter). Holder counts are more reliable. Shares outstanding: 140.9m as of 2022-11-07, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $101.85. Options: 7 managers hold calls ($9.3m notional), 5 hold puts ($3.1m).

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP — $4.4m43.0k shares
JANE STREET GROUP, LLC — $2.2m21.5k shares
PEAK6 Investments LLC — $1.5m14.6k shares
CITADEL ADVISORS LLC — $1.2m11.3k shares
SIMPLEX TRADING, LLC — $50.0k500 shares
CAPSTONE INVESTMENT ADVISORS, LLC — $41.0k400 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. — $00 shares

Biggest puts

CITADEL ADVISORS LLC — $1.4m14.2k shares
PEAK6 Investments LLC — $906.0k8.9k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $469.0k4.6k shares
CAPSTONE INVESTMENT ADVISORS, LLC — $255.0k2.5k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. — $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution -1.3 pts · filed 2026-07-27 8.7% -1.3 pts 14.5m≈ $2.5bn 2026-07-27
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 7.5% new 12.5m≈ $2.1bn 2026-04-29
VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-28 5.6% new 9.3m≈ $1.6bn 2026-04-28
WELLINGTON MANAGEMENT GROUP LLP 13G · institution -1.0 pts · filed 2026-08-13 5.5% -1.0 pts 9.2m≈ $1.6bn 2026-08-13

Fell to 5% or below in the last year: Capital International Investors (4.7%, 2026-05-14), VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 0 buyingQ4 21: 0 sellingQ1 22: 0 buyingQ1 22: 2 sellingQ1 22Q2 22: 0 buyingQ2 22: 0 sellingQ3 22: 0 buyingQ3 22: 0 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—0——
Q1 20220—2$101.3k—
Q2 20220—0——
Q3 20220—0——

None reported in Q3 2022.

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.05% of their portfolio Valley Forge, PA 18,030,85818.0m $1.8bn $1.8bn 0.05% —
2 BlackRock Inc. 0.05% of their portfolio New York, NY 13,238,14613.2m $1.3bn $1.3bn 0.05% —
3 STATE STREET CORP 0.07% of their portfolio BOSTON, MA 10,587,28810.6m $1.1bn $1.1bn 0.07% —
4 Aristotle Capital Management, LLC 2.24% of their portfolio LOS ANGELES, CA 9,953,22810.0m $1.0bn $1.0bn 2.24% —
5 WELLINGTON MANAGEMENT GROUP LLP 0.16% of their portfolio Boston, MA 7,450,9087.5m $758.9m $758.9m 0.16% —
6 DEUTSCHE BANK AG\ 0.30% of their portfolio FRANKFURT AM MAIN, 2M 4,905,2834.9m $499.6m $499.6m 0.30% —
7 AMERICAN CENTURY COMPANIES INC 0.30% of their portfolio KANSAS CITY, MO 3,330,4803.3m $339.2m $339.2m 0.30% —
8 GEODE CAPITAL MANAGEMENT, LLC 0.05% of their portfolio BOSTON, MA 2,949,0972.9m $300.0m $300.0m 0.05% —
9 Invesco Ltd. 0.10% of their portfolio ATLANTA, GA 2,896,4642.9m $295.0m $295.0m 0.10% —
10 MORGAN STANLEY 0.02% of their portfolio NEW YORK, NY 1,786,4131.8m $181.9m $181.9m 0.02% —
11 Legal & General Group Plc 0.07% of their portfolio London, X0 1,752,0621.8m $178.4m $178.4m 0.07% —
12 NORTHERN TRUST CORP 0.04% of their portfolio CHICAGO, IL 1,571,9081.6m $160.1m $160.1m 0.04% —
13 Bank of New York Mellon Corp 0.04% of their portfolio NEW YORK, NY 1,529,3951.5m $155.8m $155.8m 0.04% —
14 BANK OF AMERICA CORP /DE/ 0.02% of their portfolio CHARLOTTE, NC 1,515,0381.5m $154.3m $154.3m 0.02% —
15 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.06% of their portfolio Boston, MA 1,476,2881.5m $150.4m $150.4m 0.06% —
16 ProShare Advisors LLC 0.56% of their portfolio BETHESDA, MD 1,425,8511.4m $145.2m $145.2m 0.56% —
17 SILVERCREST ASSET MANAGEMENT GROUP LLC 1.15% of their portfolio NEW YORK, NY 1,367,5291.4m $139.3m $139.3m 1.15% —
18 PRICE T ROWE ASSOCIATES INC /MD/ 0.02% of their portfolio BALTIMORE, MD 1,337,6661.3m $136.2m $136.2m 0.02% —
19 SFMG, LLC 13.54% of their portfolio PLANO, TX 1,168,5181.2m $116.0m $116.0m 13.54% —
20 PICTET ASSET MANAGEMENT SA 0.18% of their portfolio GENEVA 73, V8 1,165,0411.2m $118.7m $118.7m 0.18% —
21 WELLS FARGO & COMPANY/MN 0.04% of their portfolio SAN FRANCISCO, CA 1,146,6021.1m $116.8m $116.8m 0.04% —
22 Pendal Group Ltd 1.12% of their portfolio SYDNEY, C3 1,128,4921.1m $114.9m $114.9m 1.12% —
23 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.04% of their portfolio SAN FRANCISCO, CA 1,066,4281.1m $108.6m $108.6m 0.04% —
24 COOKE & BIELER LP 1.16% of their portfolio PHILADELPHIA, PA 1,057,0291.1m $107.7m $107.7m 1.16% —
25 DUFF & PHELPS INVESTMENT MANAGEMENT CO 1.35% of their portfolio CHICAGO, IL 1,052,8971.1m $107.2m $107.2m 1.35% —
26 California Public Employees Retirement System 0.09% of their portfolio Sacramento, CA 960,836960.8k $97.9m $97.9m 0.09% —
27 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.05% of their portfolio NEW YORK, NY 947,501947.5k $96.5m $96.5m 0.05% —
28 DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.18% of their portfolio FRANKFURT AM MAIN, 2M 928,164928.2k $94.5m $94.5m 0.18% —
29 GOLDMAN SACHS GROUP INC 0.02% of their portfolio NEW YORK, NY 833,088833.1k $84.9m $84.9m 0.02% —
30 CITADEL ADVISORS LLC 0.10% of their portfolio MIAMI, FL 815,901815.9k $83.1m $83.1m 0.10% —
31 PENSIOENFONDS RAIL & OV 2.24% of their portfolio UTRECHT, P7 738,261738.3k $75.2m $75.2m 2.24% —
32 FIRST TRUST ADVISORS LP 0.10% of their portfolio Wheaton, IL 735,207735.2k $74.9m $74.9m 0.10% —
33 CREDIT SUISSE AG/ 0.08% of their portfolio ZURICH, V8 697,917697.9k $71.1m $71.1m 0.08% —
34 TD Asset Management Inc 0.09% of their portfolio Toronto, A6 653,355653.4k $68.4m $68.4m 0.09% —
35 Swiss National Bank 0.04% of their portfolio ZURICH, V8 602,392602.4k $61.4m $61.4m 0.04% —
36 Energy Income Partners, LLC 1.43% of their portfolio Westport, CT 598,925598.9k $61.0m $61.0m 1.43% —
37 Sumitomo Mitsui Trust Group, Inc. 0.05% of their portfolio CHIYODA-KU, TOKYO, M0 590,707590.7k $60.2m $60.2m 0.05% —
38 DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio AUSTIN, TX 575,783575.8k $58.7m $58.7m 0.02% —
39 1832 Asset Management L.P. 0.12% of their portfolio TORONTO, A6 540,238540.2k $55.0m $55.0m 0.12% —
40 Partners Group Holding AG 3.80% of their portfolio BAAR-ZUG, V8 528,980529.0k $53.9m $53.9m 3.80% —
41 FMR LLC 0.01% of their portfolio BOSTON, MA 507,964508.0k $51.7m $51.7m 0.01% —
42 SEI INVESTMENTS CO 0.11% of their portfolio OAKS, PA 470,326470.3k $47.9m $47.9m 0.11% —
43 Ardevora Asset Management LLP 0.86% of their portfolio LONDON, X0 469,412469.4k $47.8m $47.8m 0.86% —
44 Amundi 0.03% of their portfolio Paris, I0 456,222456.2k $47.5m $47.5m 0.03% —
45 RAYMOND JAMES & ASSOCIATES 0.04% of their portfolio ST PETERSBURG, FL 430,938430.9k $43.9m $43.9m 0.04% —
46 ROYAL BANK OF CANADA 0.01% of their portfolio TORONTO, A6 427,997428.0k $43.6m $43.6m 0.01% —
47 DEARBORN PARTNERS LLC 1.75% of their portfolio CHICAGO, IL 389,618389.6k $39.7m $39.7m 1.75% —
48 RENAISSANCE TECHNOLOGIES LLC 0.05% of their portfolio NEW YORK, NY 381,700381.7k $38.9m $38.9m 0.05% —
49 Nuveen Asset Management, LLC 0.02% of their portfolio CHICAGO, IL 368,259368.3k $37.5m $37.5m 0.02% —
50 M&G INVESTMENT MANAGEMENT LTD 0.30% of their portfolio London, X0 352,021352.0k $35.9m $35.9m 0.30% —
51 INTECH INVESTMENT MANAGEMENT LLC 0.23% of their portfolio WEST PALM BEACH, FL 303,441303.4k $30.9m $30.9m 0.23% —
52 Squarepoint Ops LLC 0.26% of their portfolio NEW YORK, NY 289,191289.2k $29.5m $29.5m 0.26% —
53 HSBC HOLDINGS PLC 0.05% of their portfolio LONDON, X0 277,328277.3k $28.7m $28.7m 0.05% —
54 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 269,903269.9k $27.5m $27.5m 0.00% —
55 AXA S.A. 0.05% of their portfolio PARIS, I0 257,862257.9k $26.3m $26.3m 0.05% —
56 HENNESSY ADVISORS INC 1.80% of their portfolio NOVATO, CA 255,886255.9k $26.1m $26.1m 1.80% —
57 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.04% of their portfolio WEST SACRAMENTO, CA 251,627251.6k $25.6m $25.6m 0.04% —
58 RHUMBLINE ADVISERS 0.04% of their portfolio BOSTON, MA 249,953250.0k $25.5m $25.5m 0.04% —
59 CANTOR FITZGERALD, L. P. 0.55% of their portfolio NEW YORK, NY 246,272246.3k $25.1m $25.1m 0.55% —
60 CANADA PENSION PLAN INVESTMENT BOARD 0.04% of their portfolio TORONTO ONTARIO, A6 245,275245.3k $25.0m $25.0m 0.04% —
61 Bahl & Gaynor LLC 0.16% of their portfolio CINCINNATI, OH 242,626242.6k $24.7m $24.7m 0.16% —
62 MARSHALL WACE, LLP 0.06% of their portfolio LONDON, X0 237,566237.6k $24.2m $24.2m 0.06% —
63 Allspring Global Investments Holdings, LLC 0.04% of their portfolio CHARLOTTE, NC 236,445236.4k $24.1m $24.1m 0.04% —
64 Boston Trust Walden Corp 0.24% of their portfolio BOSTON, MA 233,156233.2k $23.7m $23.7m 0.24% —
65 APG Asset Management N.V. 0.06% of their portfolio Amsterdam, P7 231,925231.9k $24.1m $24.1m 0.06% —
66 EARNEST PARTNERS LLC 0.16% of their portfolio ATLANTA, GA 230,151230.2k $23.4m $23.4m 0.16% —
67 Zimmer Partners, LP 0.52% of their portfolio NEW YORK, NY 230,000230.0k $23.4m $23.4m 0.52% —
68 BNP PARIBAS FINANCIAL MARKETS 0.06% of their portfolio PARIS, I0 228,316228.3k $23.3m $23.3m 0.06% —
69 NEW YORK STATE COMMON RETIREMENT FUND 0.03% of their portfolio ALBANY, NY 218,826218.8k $22.3m $22.3m 0.03% —
70 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.22% of their portfolio HARRISBURG, PA 212,757212.8k $21.7m $21.7m 0.22% —
71 PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio DES MOINES, IA 206,913206.9k $21.1m $21.1m 0.02% —
72 Man Group plc 0.10% of their portfolio LONDON, X0 203,120203.1k $20.7m $20.7m 0.10% —
73 Schonfeld Strategic Advisors LLC 0.17% of their portfolio NEW YORK, NY 202,922202.9k $20.7m $20.7m 0.17% —
74 AQR CAPITAL MANAGEMENT LLC 0.05% of their portfolio Greenwich, CT 202,694202.7k $20.6m $20.6m 0.05% —
75 National Pension Service 0.04% of their portfolio JEONJU-SI, JEOLLABUK-DO, M5 199,276199.3k $20.9m $20.9m 0.04% —
76 NEUBERGER BERMAN GROUP LLC 0.02% of their portfolio NEW YORK, NY 195,736195.7k $19.9m $19.9m 0.02% —
77 Vident Investment Advisory, LLC 0.64% of their portfolio Alpharetta, GA 195,640195.6k $19.6m $19.6m 0.64% —
78 T. Rowe Price Investment Management, Inc. 0.02% of their portfolio BALTIMORE, MD 194,174194.2k $19.8m $19.8m 0.02% —
79 VICTORY CAPITAL MANAGEMENT INC 0.02% of their portfolio San Antonio, TX 192,601192.6k $19.6m $19.6m 0.02% —
80 Tortoise Index Solutions, LLC 3.79% of their portfolio OVERLAND PARK, KS 191,688191.7k $19.5m $19.5m 3.79% —
81 ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio NASHVILLE, TN 186,545186.5k $19.0m $19.0m 0.01% —
82 BANK OF MONTREAL /CAN/ 0.01% of their portfolio TORONTO, A6 178,390178.4k $18.9m $18.9m 0.01% —
83 MACQUARIE GROUP LTD 0.02% of their portfolio Sydney, NSW 2000, C3 175,631175.6k $18.2m $18.2m 0.02% —
84 ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio Berwyn, PA 170,684170.7k $17.4m $17.4m 0.01% —
85 STATE OF WISCONSIN INVESTMENT BOARD 0.05% of their portfolio MADISON, WI 162,011162.0k $16.5m $16.5m 0.05% —
86 ExodusPoint Capital Management, LP 0.22% of their portfolio NEW YORK, NY 156,389156.4k $15.9m $15.9m 0.22% —
87 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.04% of their portfolio TALLAHASSEE, FL 156,211156.2k $15.9m $15.9m 0.04% —
88 Alberta Investment Management Corp 0.12% of their portfolio EDMONTON, A0 155,832155.8k $15.9m $15.9m 0.12% —
89 AVIVA PLC 0.09% of their portfolio LONDON, X0 154,284154.3k $15.7m $15.7m 0.09% —
90 PRUDENTIAL FINANCIAL INC 0.03% of their portfolio NEWARK, NJ 150,836150.8k $15.7m $15.7m 0.03% —
91 Mitsubishi UFJ Asset Management Co., Ltd. 0.05% of their portfolio TOKYO, M0 150,623150.6k $15.3m $15.3m 0.05% —
92 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.09% of their portfolio DENVER, CO 150,063150.1k $15.3m $15.3m 0.09% —
93 NOMURA ASSET MANAGEMENT CO LTD 0.10% of their portfolio TOKYO, M0 149,817149.8k $15.3m $15.3m 0.10% —
94 CITIGROUP INC 0.02% of their portfolio NEW YORK, NY 145,178145.2k $14.8m $14.8m 0.02% —
95 CANADA LIFE ASSURANCE Co 0.04% of their portfolio WINNIPEG, A2 142,643142.6k $14.5m $14.5m 0.04% —
96 CRAMER ROSENTHAL MCGLYNN LLC 0.69% of their portfolio STAMFORD, CT 142,154142.2k $14.5m $14.5m 0.69% —
97 REAVES W H & CO INC 0.54% of their portfolio JERSEY CITY, NJ 140,906140.9k $14.4m $14.4m 0.54% —
98 EATON VANCE MANAGEMENT 0.02% of their portfolio BOSTON, MA 140,117140.1k $14.3m $14.3m 0.02% —
99 Janney Montgomery Scott LLC 0.06% of their portfolio PHILADELPHIA, PA 138,177138.2k $14.1m $14.1m 0.06% —
100 Asset Management One Co., Ltd. 0.07% of their portfolio TOKYO, M0 134,564134.6k $13.7m $13.7m 0.07% —