Ticker · CUSIP 049560105

ATO

ATMOS ENERGY CORP
Utilities·Utilities - Regulated Gas
···Share
Holders (tracked)
15
Combined shares
19,876,181
Combined value
$2.23B
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
15122024Q12025Q4

SEC event timeline

22 events
  1. Ken Griffin (Citadel Advisors) added2026-02-17
    +381,226 shares · 2025Q4
    13F
  2. Two Sigma Investments trimmed2026-02-17
    −43,960 shares · 2025Q4
    13F
  3. D.E. Shaw & Co. added2026-02-17
    +63,204 shares · 2025Q4
    13F
  4. Izzy Englander (Millennium Mgmt) added2026-02-17
    +6,559 shares · 2025Q4
    13F
  5. Wellington Management trimmed2026-02-17
    −457,320 shares · 2025Q4
    13F
  6. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +17,439 shares · 2025Q4
    13F
  7. T. Rowe Price trimmed2026-02-17
    −1,220,132 shares · 2025Q4
    13F
  8. AQR Capital Management added2026-02-17
    +18,423 shares · 2025Q4
    13F
  9. Renaissance Technologies trimmed2026-02-12
    −21,400 shares · 2025Q4
    13F
  10. Norges Bank (Norway SWF) opened position2026-02-10
    +1,977,131 shares · 2025Q4
    13F
  11. Ken Fisher (Fisher Asset Mgmt) added2026-02-09
    +1,281 shares · 2025Q4
    13F
  12. Paul Tudor Jones (Tudor Investment) exited2025-12-09
    −4,932 shares · 2025Q3
    13F
  13. AQR Capital Management added2025-11-14
    +41,440 shares · 2025Q3
    13F
  14. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −31,118 shares · 2025Q3
    13F
  15. T. Rowe Price added2025-11-14
    +73,421 shares · 2025Q3
    13F
  16. Wellington Management trimmed2025-11-14
    −916,094 shares · 2025Q3
    13F
  17. Two Sigma Investments trimmed2025-11-14
    −18,741 shares · 2025Q3
    13F
  18. D.E. Shaw & Co. trimmed2025-11-14
    −22,487 shares · 2025Q3
    13F
  19. Renaissance Technologies added2025-11-13
    +52,900 shares · 2025Q3
    13F
  20. Norges Bank (Norway SWF) exited2025-11-13
    −1,833,019 shares · 2025Q3
    13F
  21. Norges Bank (Norway SWF) trimmed2025-11-12
    −289,082 shares · 2024Q3
    13F
  22. Ken Fisher (Fisher Asset Mgmt) opened position2025-11-12
    +6,753 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for ATO →

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions2
Added to5
Trimmed4
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
11
$15.58B
2022Q2
11
$5.43B
2022Q3
13
$7.9M
2022Q4
16
$2.49B
2023Q1
11
$2.70B
2023Q2
12
$3.21B
2023Q3
9
$2.04B
2023Q4
9
$1.81B
2024Q1
12
$3.09B
2024Q2
12
$3.31B
2024Q3
11
$2.25B
2024Q4
12
$405.1M
2025Q1
11
$2.06B
2025Q2
15
$2.17B
2025Q3
12
$1.94B
2025Q4
15
$2.23B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-12-02Jared MoskowitzBuy$1K – $15KPDF ↗

Who owns ATO

15 super-investors · 2025Q4
Tracked stake
19.88M
shares
Combined value
$2.23B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added7Trim4
#ManagerSharesValue
1Wellington Management10.01M$1.68B
2Norges Bank
Norway SWF
1.98M$331M
3Ken Griffin
Citadel Advisors
531.8K$89M
4AQR Capital Management506.6K$85M
5D.E. Shaw & Co.73.3K$12M
6Izzy Englander
Millennium Mgmt
67.0K$11M
7Renaissance Technologies52.0K$9M
8Ken Griffin
Citadel Advisors
24.9K$4M
9Paul Tudor Jones
Tudor Investment
17.4K$3M
10Ken Fisher
Fisher Asset Mgmt
8.0K$1M
11T. Rowe Price6.60M$1M
12Two Sigma Investments3.6K$604K
13Ken Griffin
Citadel Advisors
3.5K$587K
14Paul Tudor Jones
Tudor Investment
1.7K$285K
15Paul Tudor Jones
Tudor Investment
1.5K$251K

Recent moves

20 transactions
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