Atmos Energy Corporation (ATO) Institutional Ownership & Insider Trading

1,039 institutions reported holding Atmos Energy Corporation shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 2 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

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Market cap: 29.1B
P/E TTM: 20.5
Dividend yield: 2.2%
52-week: —
Next earnings: 4 Nov, in 11 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

1,039 institutions held 96.5% of the shares. Across filers that reported both quarters, shares held changed +0.1%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	1,039	163	+0.1%	357	95	289	75
Mar 26	1,007	160	-1.3%	358	100	256	61
Dec 25	961	161	-0.7%	303	68	260	45
Sep 25	885	160	+0.8%	290	83	213	44
Jun 25	854	160	+1.3%	302	62	234	53
Mar 25	838	156	+1.0%	296	85	217	42
Dec 24	786	156	+4.0%	252	59	211	35
Sep 24	733	148	+3.2%	232	58	214	43

Atmos Energy Corporation — questions

Who owns Atmos Energy Corporation stock?: 1,039 institutions reported Atmos Energy Corporation shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (9.0%), STATE STREET CORP (6.7%), VANGUARD CAPITAL MANAGEMENT LLC (6.4%).
Are Atmos Energy Corporation insiders buying or selling?: 2 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Atmos Energy Corporation's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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