Atmos Energy Corporation
MX ˙ BMV ˙ US0495601058
SecurityMX:ATO / Atmos Energy Corporation
InstitutionWaterloo Capital, L.P.
Latest Disclosed Ownership28,594 shares
Latest Disclosed Value $ 5,281,803
Waterloo Capital, L.P. reports 0.55% decrease in ownership of ATO / Atmos Energy Corporation

On May 12, 2026 - Waterloo Capital, L.P. filed a 13F-HR form disclosing ownership of 28,594 shares of Atmos Energy Corporation (MX:ATO) valued at $5,281,803 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 28,752 shares of Atmos Energy Corporation. This represents a change in shares of -0.55% 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.

Upgrade to unlock premium data and export to Excel .

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 CORP COM COM 049560105 28,594 -158 -0.55 5,282 9.59 0.3708
2026-02-10 2025-12-31 13F ATMOS ENERGY CORP COM COM 049560105 28,752 4,330 17.73 4,820 15.59 0.3471
2025-11-05 2025-09-30 13F ATMOS ENERGY CORP COM COM 049560105 24,422 1,438 6.26 4,170 17.70 0.3101
2025-08-12 2025-06-30 13F ATMOS ENERGY CORP COM COM 049560105 22,984 5,088 28.43 3,542 28.05 0.2861
2025-05-12 2025-03-31 13F ATMOS ENERGY CORP COM COM 049560105 17,896 1,637 10.07 2,766 22.17 0.2572
2025-02-13 2024-12-31 13F ATMOS ENERGY CORP COM COM 049560105 16,259 2,075 14.63 2,264 15.10 0.2386
2024-11-14 2024-09-30 13F ATMOS ENERGY CORP COM COM 049560105 14,184 14,184 1,967 0.2147
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.