Security Snapshot

ATMOS ENERGY CORP - Common Stock (ATO) Institutional Ownership

CUSIP: 049560105

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

993

Shares (Excl. Options)

153,862,154

Price

$184.72

Save this security page for your next review

Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.

Type / Class
Equity / Common Stock
Symbol
ATO on NYSE
Shares outstanding
164,681,340
Price per share
$187.81
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
153,862,154
Total reported value
$28,413,392,417
% of total 13F portfolios
0.02%
Share change
-4,183,031
Value change
-$723,450,889
Number of holders
993
Price from insider filings
$187.81
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • ATO - ATMOS ENERGY CORP - Common Stock is tracked under CUSIP 049560105.
  • 993 institutions reported positions in Q1 2026.
  • 7 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 971 to 993 between Q4 2025 and Q1 2026.
  • Reported value moved from $27,133,622,048 to $28,413,392,417.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 993 institutions filings for Q1 2026.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 049560105?
CUSIP 049560105 identifies ATO - ATMOS ENERGY CORP - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q1 2026 holders report and the ownership history table below.

Significant Owners of ATMOS ENERGY CORP - Common Stock (ATO) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 10% $2,847,928,748 16,204,431 BlackRock, Inc. 30 Nov 2025
VANGUARD CAPITAL MANAGEMENT LLC 7.5% $2,303,127,751 12,468,210 Vanguard Capital Management 31 Mar 2026
WELLINGTON MANAGEMENT GROUP LLP 6.5% -16% $1,787,384,363 -$316,599,186 10,467,844 -15% Wellington Management Group LLP 30 Sep 2025
VANGUARD PORTFOLIO MANAGEMENT LLC 5.6% $1,718,824,218 9,305,025 Vanguard Portfolio Management 31 Mar 2026
Aristotle Capital Management, LLC 4.9% $1,245,219,504 7,797,730 Aristotle Capital Management, LLC 31 Mar 2025
PRICE T ROWE ASSOCIATES INC /MD/ 4.9% -2% $1,177,266,359 -$21,239,235 7,745,683 -1.8% T. Rowe Price Associates, Inc. 30 Jun 2025
Capital International Investors 4.7% -27% $1,429,737,049 -$516,203,180 7,740,023 -27% Capital International Investors 31 Mar 2026

As of 31 Mar 2026, 993 institutional investors reported holding 153,862,154 shares of ATMOS ENERGY CORP - Common Stock (ATO). This represents 93% of the company’s total 164,681,340 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of ATMOS ENERGY CORP - Common Stock (ATO) together control 65% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 11% 17,451,963 +2.5% 0.06% $3,223,726,654
STATE STREET CORP 6.9% 11,372,750 +5.4% 0.07% $2,100,774,380
VANGUARD CAPITAL MANAGEMENT LLC 6.5% 10,735,547 0% 0.05% $1,983,070,242
WELLINGTON MANAGEMENT GROUP LLP 5.9% 9,651,472 -3.6% 0.33% $1,782,819,908
VANGUARD PORTFOLIO MANAGEMENT LLC 5.6% 9,285,633 0% 0.09% $1,715,242,128
Capital International Investors 4.4% 7,326,778 -38% 0.32% $1,353,494,702
Aristotle Capital Management, LLC 3% 4,866,481 -24% 1.9% $898,951,044
GEODE CAPITAL MANAGEMENT, LLC 2.6% 4,336,996 +2.9% 0.05% $798,060,550
Capital Research Global Investors 2.4% 4,010,550 0.11% $740,838,082
Invesco Ltd. 1.8% 3,007,306 -0.21% 0.09% $555,509,593
MORGAN STANLEY 1.8% 3,001,186 +8.9% 0.03% $554,379,427
PRICE T ROWE ASSOCIATES INC /MD/ 1.6% 2,715,107 -59% 0.06% $501,535,000
DEUTSCHE BANK AG\ 1.5% 2,547,037 -12% 0.16% $470,488,674
GOLDMAN SACHS GROUP INC 1.2% 1,935,162 +55% 0.05% $357,463,124
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1.1% 1,770,291 -10% 0.12% $330,630,128
Legal & General Group Plc 0.98% 1,616,380 +2.3% 0.07% $298,577,708
NORTHERN TRUST CORP 0.94% 1,549,694 +2.5% 0.04% $286,259,475
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.91% 1,490,653 +18% 0.25% $275,353,422
WELLS FARGO & COMPANY/MN 0.81% 1,329,328 -1.5% 0.05% $245,553,394
Perpetual Ltd 0.75% 1,240,469 -11% 3.6% $229,139,434
RAYMOND JAMES FINANCIAL INC 0.73% 1,206,752 +8.6% 0.07% $222,920,455
Pictet Asset Management Holding SA 0.71% 1,175,415 +11% 0.23% $217,124,143
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.65% 1,063,678 +3.3% 0.04% $196,482,600
SFMG, LLC 0.64% 1,058,545 -0.17% 13% $195,534,483
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.63% 1,036,621 +5.7% 0.03% $191,484,631

Institutional Holders of ATMOS ENERGY CORP - Common Stock (ATO) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 153,862,154 $28,413,392,417 -$723,450,889 $184.72 993
2025 Q4 161,914,417 $27,133,622,048 +$211,885,839 $167.63 971
2025 Q3 159,426,160 $27,216,074,675 -$50,535,049 $170.75 905
2025 Q2 160,330,798 $24,698,790,280 +$614,379,560 $154.11 860
2025 Q1 156,480,678 $24,185,957,388 +$195,514,059 $154.58 853
2024 Q4 156,326,935 $21,769,631,849 +$729,058,833 $139.27 808
2024 Q3 149,409,670 $20,720,110,686 +$885,627,481 $138.71 747
2024 Q2 143,140,063 $16,693,701,589 +$559,579,026 $116.65 725
2024 Q1 138,771,933 $16,486,002,262 +$319,367,873 $118.87 720
2023 Q4 135,950,560 $15,754,278,651 +$35,534,765 $115.90 719
2023 Q3 135,610,788 $14,367,750,703 -$12,091,784 $105.93 665
2023 Q2 135,678,615 $15,780,650,380 +$547,206,286 $116.34 666
2023 Q1 131,031,927 $14,720,109,507 +$9,102,292 $112.36 657
2022 Q4 130,455,121 $14,619,296,897 +$240,692,004 $112.07 657
2022 Q3 128,396,470 $13,079,784,135 +$152,117,111 $101.85 619
2022 Q2 126,325,808 $14,159,605,495 +$250,214,757 $112.10 605
2022 Q1 124,605,227 $14,884,680,441 +$757,432,515 $119.49 595
2021 Q4 118,485,972 $12,406,004,102 +$603,364,203 $104.77 558
2021 Q3 112,576,735 $9,923,323,999 +$300,600,941 $88.20 526
2021 Q2 109,153,370 $10,485,537,993 +$74,387,019 $96.11 541
2021 Q1 108,137,258 $10,674,531,150 -$5,988,388 $98.85 539
2020 Q4 107,900,498 $10,276,853,106 -$136,937,447 $95.43 548
2020 Q3 109,198,435 $10,424,675,874 +$7,647,378 $95.59 526
2020 Q2 108,764,307 $10,822,932,032 +$476,721,243 $99.58 526
2020 Q1 104,057,105 $10,328,355,131 +$100,549,000 $99.23 541
2019 Q4 102,923,942 $11,502,745,573 +$301,874,495 $111.86 555
2019 Q3 99,777,605 $11,356,422,267 +$70,439,372 $113.89 522
2019 Q2 98,725,732 $10,418,900,045 +$265,178,545 $105.56 493
2019 Q1 96,949,757 $9,972,355,587 +$423,333,610 $102.93 497
2018 Q4 92,984,355 $8,615,553,679 +$884,303,153 $92.72 463
2018 Q3 83,359,404 $7,820,966,794 -$3,060,306 $93.91 446
2018 Q2 83,512,700 $7,522,889,435 +$154,378,415 $90.14 432
2018 Q1 81,769,735 $6,881,832,694 +$66,497,665 $84.24 408
2017 Q4 80,974,637 $6,948,575,981 +$429,175,917 $85.89 424
2017 Q3 75,678,181 $6,345,928,236 -$25,928,375 $83.84 396
2017 Q2 76,010,204 $6,305,387,187 +$61,685,001 $82.95 384
2017 Q1 75,372,015 $5,954,053,580 +$692,887,981 $78.99 378
2016 Q4 75,272,407 $5,577,783,160 +$124,778,621 $74.15 397
2016 Q3 73,508,321 $5,467,967,322 -$4,632,161 $74.47 374
2016 Q2 73,799,040 $5,991,406,547 +$108,281,233 $81.32 392
2016 Q1 72,365,091 $5,366,772,888 +$87,799,703 $74.26 376
2015 Q4 71,305,794 $4,493,896,719 +$48,198,495 $63.04 335
2015 Q3 70,306,034 $4,087,364,533 +$91,766,339 $58.18 310
2015 Q2 68,820,729 $3,531,571,745 -$29,084,182 $51.28 309
2015 Q1 70,476,654 $3,897,985,913 +$55,167,841 $55.30 313
2014 Q4 68,375,364 $3,810,179,479 -$61,921,051 $55.74 305
2014 Q3 69,437,226 $3,312,156,512 -$927,950 $47.70 301
2014 Q2 69,308,855 $3,699,632,865 +$115,539,069 $53.40 298
2014 Q1 67,389,036 $3,178,375,348 +$376,562,997 $47.13 296
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .