Ticker · CUSIP 049560105

ATO

ATMOS ENERGY CORP
Utilities·Utilities - Regulated Gas
···Share
Holders (tracked)
15
Combined shares
19,876,181
Combined value
$3.33B
Last close
$186.54
Quarter
2025Q4
Price · 1Y$186.54+32.43 (+21.04%)H $192.29 · L $148.94 · Avg Vol 1.0M
Congress buy
$150.00$160.00$170.00$180.00$190.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
15122024Q12025Q4
Price is +11.3% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

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

Insider activity

No insider transactions in the last 30 days.
View full insider history for ATO →
Follow-the-investor returns
If you'd copied each holder of ATO…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Wellington Management2016Q1$110.80+68.4%$1.87B
T. Rowe Price2016Q1$125.42+48.7%$1.23B
AQR Capital Management2016Q1$133.53+39.7%$94.5M
Two Sigma Investments2017Q4$137.50+35.7%$672K
Ken Fisher (Fisher Asset Mgmt)2021Q4$145.71+28.0%$1.5M
D.E. Shaw & Co.2016Q1$161.05+15.8%$13.7M
Izzy Englander (Millennium Mgmt)2016Q1$164.01+13.7%$12.5M
Renaissance Technologies2016Q1$164.35+13.5%$9.7M
Paul Tudor Jones (Tudor Investment)2016Q4$165.37+12.8%$317K
Paul Tudor Jones (Tudor Investment)2016Q4$165.37+12.8%$317K
Paul Tudor Jones (Tudor Investment)2016Q4$165.37+12.8%$317K
Ken Griffin (Citadel Advisors)2016Q3$167.72+11.2%$653K
Ken Griffin (Citadel Advisors)2016Q3$167.72+11.2%$653K
Ken Griffin (Citadel Advisors)2016Q3$167.72+11.2%$653K
Norges Bank (Norway SWF)2016Q1$640.87-70.9%$368.8M

Who moved on this name in 2025Q4

Position changes 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
$2.41B
2022Q4
16
$2.66B
2023Q1
11
$2.89B
2023Q2
12
$3.36B
2023Q3
9
$2.17B
2023Q4
9
$1.95B
2024Q1
12
$3.23B
2024Q2
12
$3.78B
2024Q3
11
$3.46B
2024Q4
12
$1.59B
2025Q1
11
$3.28B
2025Q2
15
$3.36B
2025Q3
12
$3.27B
2025Q4
15
$3.33B
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
$3.33B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added7Trim4
#ManagerSharesValue
1Wellington Management10.01M$1.68B
2T. Rowe Price6.60M$1.11B
3Norges Bank
Norway SWF
1.98M$331M
4Ken Griffin
Citadel Advisors
531.8K$89M
5AQR Capital Management506.6K$85M
6D.E. Shaw & Co.73.3K$12M
7Izzy Englander
Millennium Mgmt
67.0K$11M
8Renaissance Technologies52.0K$9M
9Ken Griffin
Citadel Advisors
24.9K$4M
10Paul Tudor Jones
Tudor Investment
17.4K$3M
11Ken Fisher
Fisher Asset Mgmt
8.0K$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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