ATMOS ENERGY CORP (ATO) Institutional Ownership and Insiders Activity

ATMOS ENERGY CORP (ATO) is widely held by institutional investors, with 1022 firms reporting positions valued at approximately $27.62B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $2.62B in ATO holdings in its latest filing.

Recent insider activity includes 3 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.