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ATO · Atmos Energy Corp · Shareholders & Ownership

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$173.03 -0.88 (-0.51%)
Market Cap
$29.25B
Shares
168.99M
Volume · Oct 23 102.57K Avg daily vol (3M) 1.02M

Every disclosed holder of ATO in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns ATO

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions
Holder group Shares % Out
Institutional (13F) 162,827,928 96.35%
Insiders (Forms 3, 4, 5) 678,392 0.40%
13D/G-only blocks 0 0.00%
Remaining 5,482,233 3.24%
Registered funds (N-PORT, not summed) 71,235,759 42.15%

Shares outstanding: 168,988,553, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of ATO

# Holder Shares
1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
15,237,564
1.1
BlackRock, Inc.
13G CIK 2012383 · Holding company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
14,538,261
1.2
iShares Core S&P 500 ETF
Fund S000004310 · Registered fund · Jun 30, 2026
iShares Trust, not summed
2,296,006
1.3
iShares MSCI USA Quality Factor ETF
Fund S000041444 · Registered fund · Jul 31, 2026
iShares Trust, not summed
1,171,869
1.4
iShares Russell Mid-Cap ETF
Fund S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
678,712
1.5
iShares Russell 1000 Value ETF
Fund S000004345 · Registered fund · Jun 30, 2026
iShares Trust, not summed
367,648
2
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
11,380,060
2.1
State Street(R) Utilities Select Sector SPDR(R) ETF
Fund S000006416 · Registered fund · Jun 30, 2026
SELECT SECTOR SPDR TRUST, not summed
2,716,108
2.2
State Street(R) SPDR(R) S&P(R) Dividend ETF
Fund S000006981 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
1,052,666
2.3
State Street(R) SPDR(R) Portfolio S&P 500(R) ETF
Fund S000006983 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
396,809
2.4
State Street(R) SPDR(R) Portfolio S&P 500(R) Value ETF
Fund S000006985 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
201,837
2.5
State Street Equity 500 Index II Portfolio
Fund S000046029 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
65,900
3
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
10,885,153
4
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
9,360,135
5
WELLINGTON MANAGEMENT GROUP LLP
13F CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
9,185,788
5.1
WELLINGTON MANAGEMENT GROUP LLP
13G CIK 902219 · Holding company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
9,185,798
5.2
VANGUARD WELLESLEY INCOME FUND
Fund S000004405 · Registered fund · Jun 30, 2026
VANGUARD WELLESLEY INCOME FUND, not summed
907,828
5.3
VANGUARD ENERGY OPPORTUNITIES FUND
Fund S000002921 · Registered fund · Jul 31, 2026
VANGUARD SPECIALIZED FUNDS, not summed
680,974
5.4
VANGUARD GLOBAL WELLESLEY INCOME FUND
Fund S000059218 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
23,099
6
Capital International Investors
13F CIK 1562230 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
7,483,012
7
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
5,298,625
8
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,489,277
9
VANGUARD 500 INDEX FUND
Fund S000002839 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
4,325,436
10
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
4,180,718
11
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
3,827,551
12
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,173,775
12.1
Invesco S&P 500 Equal Weight ETF
Fund S000060812 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
1,101,989
12.2
Invesco Main Street Fund
Fund S000064632 · Registered fund · Jul 31, 2026
AIM Equity Funds (Invesco Equity Funds), not summed
786,775
12.3
Invesco S&P 500 Low Volatility ETF
Fund S000030967 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
464,808
12.4
Invesco Diversified Dividend Fund
Fund S000000281 · Registered fund · Jul 31, 2026
AIM Equity Funds (Invesco Equity Funds), not summed
350,196
12.5
Invesco S&P 500 Momentum ETF
Fund S000050154 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
128,244
13
American Funds Fundamental Investors
Fund S000009227 · Registered fund · Jun 30, 2026
American Funds Fundamental Investors, not summed
3,116,381
14
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
2,863,719
14.1
Global Strategist Portfolio
Fund S000004124 · Registered fund · Jun 30, 2026
MORGAN STANLEY INSTITUTIONAL FUND TRUST, not summed
521
14.2
E*TRADE No Fee Large Cap Index Fund
Fund S000090720 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
378
14.3
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
260
14.4
Global Strategist Portfolio
Fund S000004181 · Registered fund · Jun 30, 2026
MORGAN STANLEY VARIABLE INSURANCE FUND INC., not summed
69
15
DEUTSCHE BANK AG\
13F CIK 948046 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
2,505,816
15.1
DWS RREEF Real Assets Fund
Fund S000032019 · Registered fund · Jun 30, 2026
DEUTSCHE DWS MARKET TRUST, not summed
194,265
15.2
DWS RREEF Global Infrastructure Fund
Fund S000022444 · Registered fund · Jun 30, 2026
DEUTSCHE DWS GLOBAL/INTERNATIONAL FUND, INC., not summed
100,329
15.3
DWS Enhanced Core Equity Fund
Fund S000062621 · Registered fund · May 31, 2026
DEUTSCHE DWS INVESTMENT TRUST, not summed
8,970
15.4
Deutsche DWS Equity 500 Index Portfolio
Fund S000009010 · Registered fund · Jun 30, 2026
DEUTSCHE DWS EQUITY 500 INDEX PORTFOLIO, not summed
5,147
15.5
Xtrackers Russell US Multifactor ETF
Fund S000048521 · Registered fund · Aug 31, 2026
DBX ETF Trust, not summed
3,280
16
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,481,649
16.1
T. Rowe Price Dividend Growth Fund, Inc.
Fund S000002075 · Registered fund · Jun 30, 2026
T. ROWE PRICE DIVIDEND GROWTH FUND, INC., not summed
1,167,242
16.2
T. Rowe Price Equity Index 500 Fund
Fund S000002089 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
101,349
16.3
T. Rowe Price Value Fund, Inc.
Fund S000002125 · Registered fund · Jun 30, 2026
T. ROWE PRICE VALUE FUND, INC., not summed
95,634
16.4
T. Rowe Price U.S. Equity Research Fund
Fund S000002071 · Registered fund · Jun 30, 2026
T. Rowe Price U.S. Equity Research Fund, Inc., not summed
92,743
16.5
T. Rowe Price Dividend Growth ETF
Fund S000067975 · Registered fund · Jun 30, 2026
T. Rowe Price Exchange-Traded Funds, Inc., not summed
61,918
17
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,424,970
18
VANGUARD EQUITY INCOME FUND
Fund S000002579 · Registered fund · Jun 30, 2026
VANGUARD FENWAY FUNDS, not summed
2,387,231
19
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,373,903
19.1
AQR Long-Short Equity Fund
Fund S000041116 · Registered fund · Jun 30, 2026
AQR Funds, not summed
184,923
19.2
AQR Equity Market Neutral Fund
Fund S000046740 · Registered fund · Jun 30, 2026
AQR Funds, not summed
56,752
19.3
AQR Large Cap Defensive Style Fund
Fund S000037429 · Registered fund · Jun 30, 2026
AQR Funds, not summed
31,064
19.4
AQR Managed Futures Strategy Fund
Fund S000027214 · Registered fund · Jun 30, 2026
AQR Funds, not summed
21,089
19.5
AQR Large Cap Momentum Style Fund
Fund S000025643 · Registered fund · Mar 31, 2026
AQR Funds, not summed
5,400
20
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
2,165,784
20.1
Goldman Sachs ActiveBeta(R) U.S. Large Cap Equity ETF
Fund S000048295 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
96,147
20.2
Goldman Sachs Multi-Manager Real Assets Strategy Fund
Fund S000049147 · Registered fund · Jul 31, 2026
Goldman Sachs Trust II, not summed
93,717
20.3
Goldman Sachs Mid Cap Value Fund
Fund S000009320 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
56,635
20.4
Goldman Sachs Variable Insurance Trust Mid Cap Value Fund
Fund S000009358 · Registered fund · Jun 30, 2026
Goldman Sachs Variable Insurance Trust, not summed
23,591
20.5
Goldman Sachs Equal Weight U.S. Large Cap Equity ETF
Fund S000058070 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
18,882
21
Qube Research & Technologies Ltd
13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,136,532
22
NORGES BANK
13F CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
2,079,227
23
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F CIK 912938 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,842,583
23.1
MFS Mid Cap Value Fund
Fund S000002499 · Registered fund · Jun 30, 2026
MFS SERIES TRUST XI, not summed
652,915
23.2
MFS Utilities Fund
Fund S000002470 · Registered fund · Jul 31, 2026
MFS Series Trust VI, not summed
262,017
23.3
MFS Utilities Series
Fund S000002671 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST, not summed
121,154
23.4
MFS Blended Research Mid Cap Equity Fund
Fund S000054892 · Registered fund · May 31, 2026
MFS Series Trust X, not summed
58,780
23.5
MFS Diversified Income Fund
Fund S000012219 · Registered fund · May 31, 2026
MFS Series Trust XIII, not summed
38,354
24
Amundi
13F CIK 1330387 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,823,714
25
CITADEL ADVISORS LLC
13F CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,736,405
26
Capital Income Builder
Fund S000009000 · Registered fund · Jul 31, 2026
Capital Income Builder, not summed
1,653,667
27
Legal & General Group Plc
13F CIK 764068 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,605,373
28
Capital Research Global Investors
13F CIK 1422848 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,508,563
29
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main
13F CIK 1694217 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,491,483
30
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,393,267
30.1
Stock Index Fund
Fund S000001247 · Registered fund · Jun 30, 2026
Northern Funds, not summed
49,354
30.2
World Selection Index Fund
Fund S000019579 · Registered fund · Jun 30, 2026
Northern Funds, not summed
7,699
30.3
Multi-Manager Global Listed Infrastructure Fund
Fund S000037667 · Registered fund · Jun 30, 2026
Northern Funds, not summed
5,426
30.4
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
3,002
31
Point72 Asset Management, L.P.
13F CIK 1603466 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,361,162
32
Investment Co of America
Fund S000009597 · Registered fund · Jun 30, 2026
Investment Co of America, not summed
1,315,930
33
RAYMOND JAMES FINANCIAL INC
13F CIK 720005 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,271,473
33.1
Carillon Scout Mid Cap Fund
Fund S000058963 · Registered fund · Jun 30, 2026
Carillon Series Trust, not summed
305,578
34
Pictet Asset Management Holding SA
13F CIK 1993888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,270,400
35
WELLS FARGO & COMPANY/MN
13F CIK 72971 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,204,326
36
GQG Partners LLC
13F CIK 1697233 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,175,136
37
Washington Mutual Investors Fund
Fund S000009388 · Registered fund · Jul 31, 2026
Washington Mutual Investors Fund, not summed
1,174,133
38
Perpetual Ltd
13F CIK 1647273 · Investment adviser · Sep 30, 2026
1,132,448
39
VANGUARD UTILITIES INDEX FUND
Fund S000004445 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
1,125,860
40
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F CIK 861177 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,098,374
40.1
UBS U.S. Allocation Fund
Fund S000002487 · Registered fund · May 31, 2026
UBS INVESTMENT TRUST, not summed
234
40.2
UBS GLOBAL ALLOCATION FUND
Fund S000002979 · Registered fund · Jun 30, 2026
UBS FUNDS, not summed
93
41
SFMG, LLC
13F CIK 1512026 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,060,369
42
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,059,660
42.1
Schwab S&P 500 Index Fund
Fund S000005911 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
372,399
42.2
Schwab U.S. Large-Cap ETF
Fund S000026632 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
176,516
42.3
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
101,307
42.4
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
98,254
42.5
Schwab U.S. Large-Cap Value ETF
Fund S000026634 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
83,499
43
CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC
13F CIK 1033984 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
999,550
44
AMERICAN CENTURY COMPANIES INC
13F CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
998,021
44.1
Equity Income Fund
Fund S000005776 · Registered fund · Jun 30, 2026
American Century Capital Portfolios, Inc., not summed
397,967
44.2
Focused Large Cap Value Fund
Fund S000005778 · Registered fund · Jun 30, 2026
American Century Capital Portfolios, Inc., not summed
257,911
44.3
Utilities Fund
Fund S000005982 · Registered fund · Jun 30, 2026
American Century Quantitative Equity Funds, Inc., not summed
29,555
45
VANGUARD DIVIDEND APPRECIATION INDEX FUND
Fund S000011322 · Registered fund · Jul 31, 2026
VANGUARD SPECIALIZED FUNDS, not summed
944,417
46
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
936,822
47
ProShare Advisors LLC
13F CIK 1357955 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
924,825
47.1
ProShares S&P 500 Dividend Aristocrats ETF
Fund S000042349 · Registered fund · May 31, 2026
ProShares Trust, not summed
886,863
47.2
ProShares Ultra S&P500
Fund S000006821 · Registered fund · May 31, 2026
ProShares Trust, not summed
13,985
47.3
ProShares DJ Brookfield Global Infrastructure ETF
Fund S000040181 · Registered fund · May 31, 2026
ProShares Trust, not summed
13,254
47.4
ProShares UltraPro S&P500
Fund S000024919 · Registered fund · May 31, 2026
ProShares Trust, not summed
6,365
47.5
ProShares S&P 500 High Income ETF
Fund S000081387 · Registered fund · May 31, 2026
ProShares Trust, not summed
2,812
48
VANGUARD INSTITUTIONAL INDEX FUND
Fund S000002853 · Registered fund · Jun 30, 2026
VANGUARD INSTITUTIONAL INDEX FUNDS, not summed
905,403
49
Nuveen, LLC
13F CIK 1871926 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
896,066
49.1
College Retirement Equities Fund - Responsible Balanced Account
Fund S000005086 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
258,306
49.2
Nuveen Large Cap Responsible Equity Fund
Fund S000005371 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
178,008
49.3
Nuveen Equity Index Fund
Fund S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
134,472
49.4
Nuveen ESG Large-Cap Value ETF
Fund S000055812 · Registered fund · Jul 31, 2026
NuShares ETF Trust, not summed
101,838
49.5
College Retirement Equities Fund - S&P 500 Index Account
Fund S000005083 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
72,849
50
PNC FINANCIAL SERVICES GROUP, INC.
13F CIK 713676 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
884,648

142 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

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Key facts CIK 731802 CUSIP 049560105 13F (30d) 236 filings 225 filers Visit website Investor relations