Atmos Energy Ownership | Who Owns Atmos Energy?
Atmos Energy Ownership Summary
Atmos Energy is owned by 31.91% institutional investors, 0.40% insiders, and 67.68% retail investors. Vanguard group is the largest institutional shareholder, holding 12.93% of ATO shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.18% of its assets in Atmos Energy shares.
ATO Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Atmos Energy | 31.91% | 0.40% | 67.68% |
| Sector | Utilities Stocks | 42.97% | 8.04% | 49.00% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 21.03M | 12.93% | $3.53B |
| Blackrock funding, inc. /de | 17.45M | 10.72% | $3.22B |
| Blackrock | 13.19M | 8.72% | $1.54B |
| State street | 11.37M | 6.99% | $2.10B |
| Wellington management group llp | 9.65M | 5.93% | $1.78B |
| Capital investors | 7.33M | 4.50% | $1.35B |
| Aristotle capital management | 4.87M | 2.99% | $898.95M |
| Geode capital management | 4.34M | 2.67% | $798.06M |
| Capital research global investors | 4.01M | 2.46% | $740.84M |
| Invesco | 3.01M | 1.85% | $555.51M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sfmg | 1.06M | 13.24% | $195.53M |
| Nilsine partners | 491.33K | 7.13% | $91.20M |
| Versus capital advisors | 26.86K | 6.57% | $4.96M |
| Meketa investment group inc /adv | 8.16K | 4.62% | $1.37M |
| Gallo partners, lp | 10.67K | 3.77% | $1.97M |
| Paradiem | 87.12K | 3.54% | $16.09M |
| Perpetual | 1.24M | 3.51% | $229.14M |
| Partners group | 238.21K | 3.26% | $44.00M |
| Pensioenfonds rail & ov | 304.40K | 2.66% | $35.51M |
| Pring turner capital group | 23.34K | 2.36% | $3.91M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Capital research global investors | 4.01M | 0.11% | 4.01M |
| Norges bank | 1.98M | 0.04% | 1.98M |
| Vanguard fiduciary trust | 930.64K | 0.04% | 930.64K |
| Bank of america corp /de/ | 1.55M | 0.02% | 910.57K |
| Goldman sachs group | 1.94M | 0.04% | 688.61K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Capital investors | 7.33M | 0.32% | -4.57M |
| Price t rowe associates inc /md/ | 2.72M | 0.06% | -3.88M |
| Aristotle capital management | 4.87M | 1.88% | -1.50M |
| Cooke & bieler lp | 2.94K | 0.01% | -637.70K |
| Wellington management group llp | 9.65M | 0.33% | -359.04K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Capital research global investors | 4.01M | 0.11% | 4.01M | $740.84M |
| Norges bank | 1.98M | 0.04% | 1.98M | $331.43M |
| Vanguard fiduciary trust | 930.64K | 0.04% | 930.64K | $171.91M |
| Vanguard global advisers | 360.84K | 0.04% | 360.84K | $66.66M |
| Vanguard asset management | 303.71K | 0.05% | 303.71K | $56.10M |
Sold Out
| Holder | Change |
|---|---|
| Luken investment analytics | -1.00 |
| Atlantic private wealth | -2.00 |
| Gitterman wealth management | -2.00 |
| Old second national bank of aurora | -2.00 |
| Crewe advisors | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 631 | -35.87% | 51,932,187 | -67.93% | 31 | 0.32% | 325 | -34.74% | 178 | -42.21% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 5.25M | 3.18% | 146.81K |
| Vanguard US Total Market Shares ETF | 4.90M | 3.09% | 99.50K |
| Vanguard Institutional 500 Index Trust | 4.51M | 2.84% | 28.47K |
| Vanguard 500 Index Investor | 4.21M | 2.55% | 85.75K |
| Vanguard Small Cap Index | 3.82M | 2.31% | 147.13K |
| iShares MSCI USA Quality Factor ETF | 3.18M | 1.91% | - |
| American Funds Fundamental Invs A | 3.05M | 1.84% | 2.85M |
| Capital Group Fundamental Invtrs Comp | 3.05M | 1.84% | 2.85M |
| State Street®UtilSelSectSPDR®ETF | 2.74M | 1.66% | -2.40K |
| 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 Q2 | - | - |
| 2026 Q1 | - | - |
| 2025 Q4 | - | 1 |
| 2025 Q3 | - | - |
| 2025 Q2 | - | 1 |
ATO Ownership FAQ
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