Who owns ATMOS ENERGY CORP?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ATO from SEC Form 13F filings across 1,040 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 1,040 institutions disclosed 162.6M shares of ATMOS ENERGY CORP worth $28.02B — about 96.6% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
1,040
13F holders
$28.02B
value, 2026 filers
96.6%
of shares outstanding (162.6M sh)
143
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ATO's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 15.2M | $2.62B | 0.0% | 9.1% | -12.7% |
| 2 | STATE STREET CORP | 11.4M | $1.96B | 0.1% | 6.8% | +0.1% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 10.9M | $1.88B | 0.0% | 6.5% | +1.4% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 9.4M | $1.61B | 0.1% | 5.6% | +0.8% |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | 9.2M | $1.58B | 0.3% | 5.5% | -4.8% |
| 6 | Capital International Investors | 7.5M | $1.29B | 0.3% | 4.4% | +2.1% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 4.5M | $770.3M | 0.0% | 2.7% | +3.5% |
| 8 | BANK OF AMERICA CORP /DE/ | 4.2M | $720.2M | 0.0% | 2.5% | -0.4% |
| 9 | Invesco Ltd. | 3.2M | $546.7M | 0.0% | 1.9% | +5.5% |
| 10 | MORGAN STANLEY | 2.9M | $493.3M | 0.0% | 1.7% | -4.6% |
| 11 | DEUTSCHE BANK AG\ | 2.5M | $431.7M | 0.1% | 1.5% | -1.6% |
| 12 | PRICE T ROWE ASSOCIATES INC /MD/ | 2.5M | $427.5M | 0.0% | 1.5% | -8.6% |
| 13 | AQR CAPITAL MANAGEMENT LLC | 2.4M | $409.0M | 0.1% | 1.4% | +188.5% |
| 14 | GOLDMAN SACHS GROUP INC | 2.2M | $373.1M | 0.0% | 1.3% | +11.9% |
| 15 | Qube Research & Technologies Ltd | 2.1M | $368.1M | 0.3% | 1.3% | +2485.6% |
| 16 | NORGES BANKNEW | 2.1M | $358.2M | 0.0% | 1.2% | new |
| 17 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.8M | $321.4M | 0.1% | 1.1% | +3.9% |
| 18 | Amundi | 1.8M | $314.2M | 0.1% | 1.1% | +40.0% |
| 19 | CITADEL ADVISORS LLC | 1.7M | $299.1M | 0.0% | 1% | +131.0% |
| 20 | Legal & General Group Plc | 1.6M | $276.6M | 0.1% | 1% | -0.7% |
| 21 | Capital Research Global Investors | 1.5M | $259.9M | 0.0% | 0.9% | -62.4% |
| 22 | DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1.5M | $256.9M | 0.2% | 0.9% | +0.1% |
| 23 | NORTHERN TRUST CORP | 1.4M | $240.0M | 0.0% | 0.8% | -10.1% |
| 24 | Point72 Asset Management, L.P.NEW | 1.4M | $234.5M | 0.3% | 0.8% | new |
| 25 | RAYMOND JAMES FINANCIAL INC | 1.3M | $219.0M | 0.1% | 0.8% | +5.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.