Atmos Energy Corp
ATO- Exchange
- NYSE
- Industry
- Natural Gas Distribution
- SEC CIK
- 0000731802
No open-market purchases or sales by Atmos Energy Corp insiders were filed in the last 90 days; 1,047 institutions reported holding it in 13F filings for Q2 2026, worth $28.0B in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 10, 2026
- $29.6B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +35 vs. previous quarter
- 1,047
- 13F valueReported value at the end of Q2 2026
- $28.0B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $4.70B
- +12.9% year over year
- Net income, FY2025
- $1.20B
- +14.9% year over year
- Free cash flow, FY2025
- -$1.51B
- No comparable prior period
- Revenue, Q3 FY2026
- $879.1M
- +4.8% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 4.11M
- Shares sold short
- Change
- −433.8K
- −9.6% vs. previous
- Days to cover
- 4.24
- At average daily volume
Superinvestors holding ATO, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding ATO at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Atmos Energy Corp insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 12, 2026 (view filing)10:54 AM ET | Aug 11 | 1 day | Ware William JamesDirector | PPurchase | +300 | $167.59 | +$50.3K | +159.6%488 after | |
| Dec 4, 2025 (view filing) | Dec 3 | 1 day | Donohue SeanDirector | SSale | −450 | $171.15 | −$77.0K | −33.9%876.6 after | |
| May 15, 2025 (view filing) | May 14 | 1 day | Cocklin Kim RDirector | SSale | −15.0K | $150.98 | −$2.26M | −8.0%172.6K after | 10b5-1 |
| Nov 12, 2024 (view filing) | Nov 11 | 1 day | Geiser EdwardDirector | PPurchase | +2.50K | $144.89 | +$362.2K | +2,451.0%2.60K after | |
| May 16, 2024 (view filing) | May 16 | Same day | Walters Diana JDirector | SSale | −400 | $118.00 | −$47.2K | −10.1%3.55K after | |
| Mar 28, 2024 (view filing) | Mar 27 | 1 day | Cocklin Kim RDirector | SSale | −15.0K | $116.46 | −$1.75M | −7.5%186.3K after | 10b5-1 |
| Nov 17, 2023 (view filing) | Nov 17 | Same day | Thomas Richard MVICE PRESIDENT & CONTROLLER | SSale | −1.75K | $114.20 | −$199.8K | −39.8%2.65K after | |
| Nov 8, 2023 (view filing) | Nov 6 | 2 days | Cocklin Kim RDirector | SSale | −12.5K | $110.99 | −$1.39M | −5.9%200.0K after | 10b5-1 |
| Aug 8, 2023 (view filing) | Aug 7 | 1 day | Cocklin Kim RDirector | SSale | −12.5K | $117.44 | −$1.47M | −5.6%212.5K after | |
| May 5, 2023 (view filing) | May 5 | Same day | Walters Diana JDirector | SSale | −390 | $117.50 | −$45.8K | −13.1%2.58K after |
Top 10 13F holders, Q2 2026
See all 1,047 holdersThe largest institutional positions in Atmos Energy Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15,237,564 | $2.62B | 0.04% | −2,214,399−12.7% | Reduced |
| State Street Corp | 11,380,060 | $1.96B | 0.06% | +7,310+0.1% | Added |
| Vanguard Capital Management LLC | 10,885,153 | $1.88B | 0.04% | +149,606+1.4% | Added |
| Vanguard Portfolio Management LLC | 9,360,135 | $1.61B | 0.07% | +74,502+0.8% | Added |
| Wellington Management Group LLP | 9,185,788 | $1.58B | 0.27% | −465,684−4.8% | Reduced |
| Capital International Investors | 7,483,012 | $1.29B | 0.27% | +156,234+2.1% | Added |
| Geode Capital Management, LLC | 4,489,277 | $770.3M | 0.04% | +152,281+3.5% | Added |
| Bank of America Corp | 4,180,718 | $720.2M | 0.05% | −18,715−0.4% | Reduced |
| Invesco Ltd. | 3,173,775 | $546.7M | 0.04% | +166,469+5.5% | Added |
| Morgan Stanley | 2,863,719 | $493.3M | 0.03% | −137,467−4.6% | Reduced |
Holders of 5% or more of ATO
See all 4 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Atmos Energy Corp.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 8.70%14.5M shares | −1.30 ppfrom 10.00% | Dec 4, 20252 filings | Jul 27, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 7.53%12.5M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.62%9.31M shares | New | Apr 28, 20261 filing | Apr 28, 2026 | SEC |
| Wellington Management Group LLP | 13G/A | 5.50%9.19M shares | −1.00 ppfrom 6.50% | Feb 6, 20236 filings | Aug 13, 2026 | SEC |
Politician trades
All politician trades in ATO7 members of Congress reported 13 trades in Atmos Energy Corp since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Jul 13, 2026 |  John Boozman Senate · AR | Sell (full) | $1K-$15K |
| Jan 16, 2026 |  Jared Moskowitz House · FL | Buy | $1K-$15K |
| Sep 12, 2025 |  Rick W. Allen House · GA | Buy | $15K-$50K |
| Jul 9, 2025 | John Boozman Senate · AR | Buy | $1K-$15K |
| Dec 9, 2024 | Jared Moskowitz House · FL | Buy | $1K-$15K |
Senate · AR · Jul 13, 2026
Sell (full)$1K-$15K
House · FL · Jan 16, 2026
Buy$1K-$15K
House · GA · Sep 12, 2025
Buy$15K-$50K
Senate · AR · Jul 9, 2025
Buy$1K-$15K
House · FL · Dec 9, 2024
Buy$1K-$15K