阿特莫斯能源公司
MX ˙ BMV ˙ US0495601058
SecurityMX:ATO / Atmos Energy Corporation
InstitutionDearborn Partners Llc
Latest Disclosed Ownership188,269 shares
Latest Disclosed Value $ 34,777,049
Dearborn Partners Llc reports 8.63% decrease in ownership of ATO / Atmos Energy Corporation

On May 12, 2026 - Dearborn Partners Llc filed a 13F-HR form disclosing ownership of 188,269 shares of Atmos Energy Corporation (MX:ATO) valued at $34,777,049 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 206,052 shares of Atmos Energy Corporation. This represents a change in shares of -8.63% 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)
2026-05-12 2026-03-31 13F Atmos Energy COM 049560105 188,269 -17,783 -8.63 34,777 0.69 1.8191
2026-02-11 2025-12-31 13F Atmos Energy COM 049560105 206,052 -8,004 -3.74 34,540 -5.50 1.7249
2025-11-10 2025-09-30 13F Atmos Energy COM 049560105 214,056 -1,038 -0.48 36,550 10.26 1.7138
2025-08-14 2025-06-30 13F Atmos Energy COM 049560105 215,094 1,363 0.64 33,148 0.33 1.5691
2025-05-08 2025-03-31 13F Atmos Energy COM 049560105 213,731 -55,706 -20.67 33,038 -11.96 1.5860
2025-02-07 2024-12-31 13F Atmos Energy COM 049560105 269,437 -4,848 -1.77 37,525 -1.37 1.5723
2024-11-06 2024-09-30 13F Atmos Energy COM 049560105 274,285 -6,082 -2.17 38,046 16.33 1.5443
2024-07-26 2024-06-30 13F Atmos Energy COM 049560105 280,367 2,921 1.05 32,705 -0.83 1.4141
2024-05-08 2024-03-31 13F Atmos Energy COM 049560105 277,446 -97,659 -26.04 32,980 -24.14 1.4158
2024-01-26 2023-12-31 13F Atmos Energy COM 049560105 375,105 -7,393 -1.93 43,475 7.30 1.5836
2023-11-01 2023-09-30 13F Atmos Energy COM 049560105 382,498 1,116 0.29 40,518 -8.68 1.5900
2023-08-03 2023-06-30 13F Atmos Energy COM 049560105 381,382 357 0.09 44,370 3.64 1.6978
2023-05-04 2023-03-31 13F Atmos Energy COM 049560105 381,025 -1,884 -0.49 42,812 -0.24 1.6842
2023-02-02 2022-12-31 13F Atmos Energy COM 049560105 382,909 -6,709 -1.72 42,913 8.14 1.7320
2022-11-21 2022-09-30 13F/A-1 Atmos Energy COM 049560105 389,618 1,742 0.45 39,683 -8.73 1.7504
2022-10-25 2022-09-30 13F Atmos Energy COM 049560105 389,618 1,742 39,683 1.6361
2022-07-20 2022-06-30 13F Atmos Energy COM 049560105 387,876 -989 -0.25 43,481 -6.42 1.8366
2022-05-04 2022-03-31 13F Atmos Energy COM 049560105 388,865 13,984 3.73 46,466 18.31 1.7622
2022-01-28 2021-12-31 13F Atmos Energy COM 049560105 374,881 374,881 39,276 1.4240
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.