Atmos Energy Ownership | Who Owns Atmos Energy?
Atmos Energy Ownership Summary
Atmos Energy is owned by 72.92% institutional investors, 0.40% insiders, and 26.68% retail investors. Vanguard group is the largest institutional shareholder, holding 12.93% of ATO shares. Capital Group American Mutual Comp is the top mutual fund, with 3.27% of its assets in Atmos Energy shares.
ATO Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Atmos Energy | 72.92% | 0.40% | 26.68% |
| Sector | Utilities Stocks | 35.28% | 8.46% | 56.27% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 21.03M | 12.93% | $3.53B |
| Blackrock funding, inc. /de | 17.02M | 10.46% | $2.85B |
| Blackrock | 13.19M | 8.72% | $1.54B |
| Capital investors | 11.89M | 7.31% | $1.99B |
| State street | 10.63M | 6.67% | $1.82B |
| Wellington management group llp | 10.47M | 6.57% | $1.79B |
| Price t rowe associates inc /md/ | 7.82M | 4.91% | $1.33B |
| Aristotle capital management | 7.23M | 4.54% | $1.24B |
| Geode capital management | 4.21M | 2.59% | $703.82M |
| Invesco | 3.10M | 1.95% | $529.22M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sfmg | 1.06M | 11.92% | $177.75M |
| Nilsine partners | 501.18K | 7.28% | $84.01M |
| Meketa investment group inc /adv | 8.16K | 4.62% | $1.37M |
| Paradiem | 85.66K | 3.44% | $14.36M |
| Perpetual | 1.40M | 3.39% | $234.40M |
| Partners group | 241.75K | 2.74% | $40.52M |
| Aventail capital group, lp | 338.10K | 2.68% | $57.73M |
| Pensioenfonds rail & ov | 304.40K | 2.66% | $35.51M |
| Pring turner capital group | 23.34K | 2.42% | $3.91M |
| Aristotle capital management | 7.23M | 2.39% | $1.24B |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | 17.02M | 0.05% | 2.46M |
| Norges bank | 1.98M | 0.04% | 1.98M |
| Northwestern mutual wealth management | 1.03M | 0.07% | 1.03M |
| Capital investors | 11.89M | 0.31% | 927.99K |
| Bank of america corp /de/ | 1.55M | 0.02% | 910.57K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wellington management group llp | 10.47M | 0.31% | -916.09K |
| Aristotle capital management | 7.23M | 2.39% | -385.96K |
| Danske bank | 13.40K | 0.01% | -324.89K |
| Cooke & bieler lp | 640.64K | 1.12% | -296.97K |
| Ubs group | 587.46K | 0.02% | -282.01K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 1.98M | 0.04% | 1.98M | $331.43M |
| Axa investment managers | 64.68K | 0.03% | 64.68K | $11.04M |
| Cibc world markets | 52.23K | 0.04% | 52.23K | $8.76M |
| E fund management (hong kong) | 30.97K | 0.99% | 30.97K | $2.94M |
| Trexquant investment lp | 28.71K | 0.05% | 28.71K | $4.90M |
Sold Out
| Holder | Change |
|---|---|
| Crewe advisors | -2.00 |
| Old second national bank of aurora | -2.00 |
| Gitterman wealth management | -2.00 |
| Palisade asset management | -3.00 |
| Soa wealth advisors, llc. | -3.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 812 | -11.64% | 118,665,736 | -25.58% | 72 | 0.73% | 395 | -17.71% | 264 | - |
| Sep 30, 2025 | 878 | 0.69% | 157,348,917 | -1.72% | 98 | 0.98% | 454 | -0.87% | 255 | -5.56% |
| Jun 30, 2025 | 856 | -1.04% | 160,060,366 | 2.42% | 100 | 1.04% | 454 | -1.73% | 265 | 2.71% |
| Mar 31, 2025 | 11 | -98.65% | 549,695 | -99.65% | - | 0.00% | 4 | -99.05% | 5 | -98.00% |
| Dec 31, 2024 | 793 | 5.87% | 155,771,763 | 5.37% | 99 | 1.06% | 407 | 14.01% | 246 | -4.28% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Capital Group American Mutual Comp | 5.42M | 3.27% | 89.73K |
| American Funds American Mutual A | 5.42M | 3.27% | 89.73K |
| Vanguard US Total Market Shares ETF | 4.90M | 3.09% | 99.50K |
| Vanguard Total Stock Mkt Idx Inv | 5.09M | 3.08% | 9.95K |
| Vanguard Institutional 500 Index Trust | 4.51M | 2.84% | 28.47K |
| Vanguard 500 Index Investor | 4.09M | 2.47% | 25.46K |
| Vanguard Small Cap Index | 3.66M | 2.21% | -841.00 |
| iShares MSCI USA Quality Factor ETF | 3.23M | 1.95% | 1.89M |
| State Street®UtilSelSectSPDR®ETF | 2.65M | 1.60% | - |
| The Utilities Select Sector SPDR® ETF | 2.57M | 1.60% | -2.08K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Dec 03, 2025 | DONOHUE SEAN | - | Sell | $77.02K |
| May 14, 2025 | COCKLIN KIM R | - | Sell | $2.26M |
| Nov 11, 2024 | Geiser Edward | - | Buy | $362.23K |
| May 16, 2024 | WALTERS DIANA J | - | Sell | $47.20K |
| Mar 27, 2024 | COCKLIN KIM R | - | Sell | $1.75M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | - |
| 2025 Q4 | - | 1 |
| 2025 Q3 | - | - |
| 2025 Q2 | - | 1 |
| 2025 Q1 | - | - |
ATO Ownership FAQ
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