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

Q4 2025

Institutions Reporting

967

Shares (Excl. Options)

161,898,705

Price

$167.63

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Type / Class
Equity / Common Stock
Symbol
ATO on NYSE
Shares outstanding
162,044,310
Price per share
$184.72
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
161,898,705
Total reported value
$27,130,987,982
% of total 13F portfolios
0.01%
Share change
+1,273,381
Value change
+$212,150,213
Number of holders
967
Price from insider filings
$184.72
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.
  • 967 institutions reported positions in Q4 2025.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 967 to 139 between Q4 2025 and Q1 2026.
  • Reported value moved from $27,130,987,982 to $454,729,720.

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 967 institutions filings for Q4 2025.

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 Q4 2025 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
Capital International Investors 6.6% +18% $1,682,260,693 +$305,646,181 10,534,540 +22% Capital International Investors 31 Mar 2025
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
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

As of 31 Dec 2025, 967 institutional investors reported holding 161,898,705 shares of ATMOS ENERGY CORP - Common Stock (ATO). This represents 100% of the company’s total 162,044,310 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of ATMOS ENERGY CORP - Common Stock (ATO) together control 73% 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
VANGUARD GROUP INC 13% 21,032,554 +1.3% 0.05% $3,525,687,026
BlackRock, Inc. 11% 17,023,479 +17% 0.05% $2,853,645,863
Capital International Investors 7.3% 11,893,826 +8.5% 0.31% $1,993,968,145
STATE STREET CORP 6.7% 10,786,358 +1.5% 0.06% $1,808,117,192
WELLINGTON MANAGEMENT GROUP LLP 6.2% 10,010,508 -4.4% 0.29% $1,678,061,457
PRICE T ROWE ASSOCIATES INC /MD/ 4.1% 6,597,064 -16% 0.12% $1,105,867,000
Aristotle Capital Management, LLC 3.9% 6,370,129 -12% 2.1% $1,067,836,362
GEODE CAPITAL MANAGEMENT, LLC 2.6% 4,214,985 +1.9% 0.04% $703,823,595
BANK OF AMERICA CORP /DE/ 2.3% 3,782,500 +1.2% 0.05% $634,060,468
Invesco Ltd. 1.9% 3,013,774 -2.8% 0.08% $505,198,870
DEUTSCHE BANK AG\ 1.8% 2,887,367 +1.7% 0.16% $484,009,330
MORGAN STANLEY 1.7% 2,755,913 -5.2% 0.03% $461,974,033
NORGES BANK 1.2% 1,977,131 0.04% $331,426,470
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1.2% 1,975,460 +1.3% 0.11% $331,146,361
Legal & General Group Plc 0.98% 1,580,574 +0.11% 0.06% $264,951,617
NORTHERN TRUST CORP 0.93% 1,511,339 -0.54% 0.03% $253,345,756
Perpetual Ltd 0.86% 1,398,334 -5.7% 3.4% $234,402,728
WELLS FARGO & COMPANY/MN 0.83% 1,349,049 +5.8% 0.04% $226,141,162
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.78% 1,267,928 +2.2% 0.19% $212,542,771
GOLDMAN SACHS GROUP INC 0.77% 1,246,554 -4.9% 0.03% $208,959,773
RAYMOND JAMES FINANCIAL INC 0.69% 1,111,320 -5.5% 0.06% $186,290,495
SFMG, LLC 0.65% 1,060,389 +1.8% 12% $177,753,063
Pictet Asset Management Holding SA 0.65% 1,059,841 -2.7% 0.17% $177,666,753
AMERICAN CENTURY COMPANIES INC 0.64% 1,040,001 -16% 0.09% $174,335,496
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.64% 1,029,303 +2.1% 0.04% $172,542,061

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 2,460,812 $454,729,720 -$33,960,501 $184.72 139
2025 Q4 161,898,705 $27,130,987,982 +$212,150,213 $167.63 967
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