Atmos Energy Ownership | Who Owns Atmos Energy?
Atmos Energy Ownership Summary
Atmos Energy is owned by 98.78% institutional investors, 0.34% insiders, and 0.88% retail investors. Vanguard group is the largest institutional shareholder, holding 13.03% of ATO shares. American Funds American Mutual A is the top mutual fund, with 3.34% of its assets in Atmos Energy shares.
ATO Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Atmos Energy | 98.78% | 0.34% | 0.88% |
| Sector | Utilities Stocks | 39.62% | 7.97% | 52.41% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 20.76M | 13.03% | $3.54B |
| Blackrock funding, inc. /de | 14.56M | 9.14% | $2.49B |
| Blackrock | 13.19M | 8.72% | $1.54B |
| Capital investors | 10.97M | 6.88% | $1.87B |
| 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 | 4.14M | 2.60% | $703.44M |
| Invesco | 3.10M | 1.95% | $529.22M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sfmg | 1.04M | 12.34% | $177.95M |
| Nilsine partners | 523.76K | 8.04% | $89.43M |
| Meketa investment group inc /adv | 8.16K | 4.57% | $1.39M |
| Paradiem | 86.41K | 3.44% | $14.75M |
| Perpetual | 1.48M | 3.14% | $253.28M |
| Aventail capital group, lp | 338.10K | 2.68% | $57.73M |
| Pensioenfonds rail & ov | 304.40K | 2.66% | $35.51M |
| Partners group | 271.69K | 2.58% | $46.39M |
| Pring turner capital group | 24.42K | 2.55% | $4.17M |
| Aristotle capital management | 7.23M | 2.39% | $1.24B |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 1.48M | 0.03% | 1.48M |
| Bank of america corp /de/ | 1.55M | 0.02% | 910.57K |
| Cohen & steers | 642.00K | 0.20% | 642.00K |
| Morgan stanley | 2.91M | 0.03% | 408.21K |
| Goldman sachs group | 1.31M | 0.03% | 362.52K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wellington management group llp | 10.47M | 0.31% | -916.09K |
| Ubs asset management americas | 1.01M | 0.04% | -512.60K |
| Aristotle capital management | 7.23M | 2.39% | -385.96K |
| Capital group private client services | 103.89K | 0.30% | -356.40K |
| Merewether investment management, lp | 72.94K | 0.30% | -275.60K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 1.48M | 0.03% | 1.48M | $206.54M |
| Cohen & steers | 642.00K | 0.20% | 642.00K | $109.62M |
| Paradiem | 86.41K | 3.44% | 86.41K | $14.75M |
| Axa investment managers | 64.68K | 0.03% | 64.68K | $11.04M |
| Natixis | 45.93K | 0.04% | 45.93K | $7.84M |
Sold Out
| Holder | Change |
|---|---|
| Crewe advisors | -2.00 |
| Gitterman wealth management | -2.00 |
| Old second national bank of aurora | -2.00 |
| Soa wealth advisors, llc. | -3.00 |
| Reston wealth management | -3.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Sep 30, 2024 | 742 | 2.20% | 146,715,267 | 2.51% | 95 | 1.10% | 355 | 4.72% | 253 | -1.17% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| American Funds American Mutual A | 5.31M | 3.34% | 170.02K |
| Capital Group American Mutual Comp | 5.31M | 3.34% | 170.02K |
| Vanguard Total Stock Mkt Idx Inv | 4.99M | 3.11% | -117.84K |
| 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 | 3.93M | 2.45% | -576.12K |
| Vanguard Small Cap Index | 3.86M | 2.40% | -25.64K |
| Vanguard Equity-Income Inv | 3.00M | 1.89% | -334.89K |
| The Utilities Select Sector SPDR® ETF | 2.57M | 1.60% | -2.08K |
| Vanguard Small Cap Value Index Inv | 2.35M | 1.47% | 4.72K |
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 |
|---|---|---|
| 2025 Q4 | - | 1 |
| 2025 Q3 | - | - |
| 2025 Q2 | - | 1 |
| 2025 Q1 | - | - |
| 2024 Q4 | 1 | - |
ATO Ownership FAQ
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