ATO (ATMOS ENERGY CORP) is held by 294 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($2.6B), STATE STREET CORP ($2B), VANGUARD CAPITAL MANAGEMENT LLC ($1.9B). Net institutional sentiment: Mixed. In Q2 2026, 3 members of Congress and 170 funds bought ATO.
294
Holders
(21 Elite)
$25.4B
Total Value
57% (296)
Consensus
170 buying - 126 selling
13F: Insider & Congress: Updated regularly
Who's Trading
Source dates: Price Oct 15, 2026 · Insiders Oct 5, 2026 · Activists Aug 13, 2026 · Congress Jul 13, 2026
InsiderGGGARZA RAFAEL GVest 77 shOct 1, 2026
InsiderRMROBBINS J MATTGift 2K shSep 15, 2026
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Top Holders
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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer