Atmos Energy Corporation
MX ˙ BMV ˙ US0495601058
SecurityMX:ATO / Atmos Energy Corporation
InstitutionJustInvest LLC
Latest Disclosed Ownership22,570 shares
Latest Disclosed Value $ 4,169,130
JustInvest LLC reports 1.80% increase in ownership of ATO / Atmos Energy Corporation

On May 14, 2026 - JustInvest LLC filed a 13F-HR form disclosing ownership of 22,570 shares of Atmos Energy Corporation (MX:ATO) valued at $4,169,130 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 22,171 shares of Atmos Energy Corporation. This represents a change in shares of 1.80% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F ATMOS ENERGY COM 049560105 22,570 399 1.80 4,169 12.19 0.0409
2026-02-13 2025-12-31 13F ATMOS ENERGY COM 049560105 22,171 1,283 6.14 3,717 4.21 0.0363
2025-10-31 2025-09-30 13F ATMOS ENERGY COM 049560105 20,888 1,801 9.44 3,567 21.25 0.0365
2025-07-25 2025-06-30 13F ATMOS ENERGY COM 049560105 19,087 1,018 5.63 2,941 5.30 0.0332
2025-05-14 2025-03-31 13F ATMOS ENERGY COM 049560105 18,069 -137 -0.75 2,793 10.18 0.0412
2025-02-10 2024-12-31 13F ATMOS ENERGY COM 049560105 18,206 2,019 12.47 2,536 12.92 0.0383
2024-11-12 2024-09-30 13F ATMOS ENERGY COM 049560105 16,187 1,976 13.90 2,245 35.73 0.0362
2024-08-12 2024-06-30 13F ATMOS ENERGY COM 049560105 14,211 5,809 69.14 1,654 65.73 0.0315
2024-05-09 2024-03-31 13F ATMOS ENERGY COM 049560105 8,402 -1,093 -11.51 999 -9.27 0.0214
2024-02-08 2023-12-31 13F ATMOS ENERGY COM 049560105 9,495 -1,547 -14.01 1,100 -5.90 0.0286
2023-11-08 2023-09-30 13F ATMOS ENERGY COM 049560105 11,042 559 5.33 1,170 -4.10 0.0350
2023-07-28 2023-06-30 13F ATMOS ENERGY COM 049560105 10,483 481 4.81 1,220 8.55 0.0374
2023-05-10 2023-03-31 13F ATMOS ENERGY COM 049560105 10,002 419 4.37 1,124 4.66 0.0390
2023-02-10 2022-12-31 13F ATMOS ENERGY COM 049560105 9,583 -199 -2.03 1,074 7.73 0.0443
2022-11-14 2022-09-30 13F ATMOS ENERGY COM 049560105 9,782 34 0.35 996 -8.87 0.0450
2022-08-12 2022-06-30 13F/A-1 ATMOS ENERGY COM 049560105 9,748 1,211 14.19 1,093 7.16 0.0506
2022-08-09 2022-06-30 13F ATMOS ENERGY COM 049560105 9,748 1,211 1,093 0.0506
2022-05-16 2022-03-31 13F ATMOS ENERGY COM 049560105 8,537 1,251 17.17 1,020 33.68 0.0494
2022-02-23 2021-12-31 13F ATMOS ENERGY COM 049560105 7,286 3,711 103.80 763 142.22 0.0450
2021-11-09 2021-09-30 13F ATMOS ENERGY COM 049560105 3,575 169 4.96 315 -3.67 0.0283
2021-08-11 2021-06-30 13F/A-1 ATMOS ENERGY COM 049560105 3,406 -1,102 -24.45 327 -26.68 0.0342
2021-07-21 2021-06-30 13F ATMOS ENERGY COM 049560105 4,508 0 446 0.0679
2021-04-28 2021-03-31 13F ATMOS ENERGY COM 049560105 4,508 780 20.92 446 25.28 0.0675
2021-01-20 2020-12-31 13F/A-1 ATMOS ENERGY COM 049560105 3,728 303 8.85 356 8.87 0.0774
2020-10-26 2020-09-30 13F ATMOS ENERGY COM 049560105 3,425 373 12.22 327 7.57 0.0918
2020-07-27 2020-06-30 13F ATMOS ENERGY COM 049560105 3,052 17 0.56 304 1.00 0.1379
2020-05-13 2020-03-31 13F ATMOS ENERGY COM 049560105 3,035 3,035 301 0.1755
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.