Atmos Energy Ownership | Who Owns Atmos Energy?


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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


TypeName% Inst% Insiders% Retail
StockAtmos Energy98.78%0.34%0.88%
SectorUtilities Stocks39.62%7.97%52.41%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Vanguard group20.76M13.03%$3.54B
Blackrock funding, inc. /de14.56M9.14%$2.49B
Blackrock13.19M8.72%$1.54B
Capital investors10.97M6.88%$1.87B
State street10.63M6.67%$1.82B
Wellington management group llp10.47M6.57%$1.79B
Price t rowe associates inc /md/7.82M4.91%$1.33B
Aristotle capital management7.23M4.54%$1.24B
Geode capital management4.14M2.60%$703.44M
Invesco3.10M1.95%$529.22M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Sfmg1.04M12.34%$177.95M
Nilsine partners523.76K8.04%$89.43M
Meketa investment group inc /adv8.16K4.57%$1.39M
Paradiem86.41K3.44%$14.75M
Perpetual1.48M3.14%$253.28M
Aventail capital group, lp338.10K2.68%$57.73M
Pensioenfonds rail & ov304.40K2.66%$35.51M
Partners group271.69K2.58%$46.39M
Pring turner capital group24.42K2.55%$4.17M
Aristotle capital management7.23M2.39%$1.24B

Top Buyers

HolderShares% AssetsChange
Norges bank1.48M0.03%1.48M
Bank of america corp /de/1.55M0.02%910.57K
Cohen & steers642.00K0.20%642.00K
Morgan stanley2.91M0.03%408.21K
Goldman sachs group1.31M0.03%362.52K

Top Sellers

HolderShares% AssetsChange
Wellington management group llp10.47M0.31%-916.09K
Ubs asset management americas1.01M0.04%-512.60K
Aristotle capital management7.23M2.39%-385.96K
Capital group private client services103.89K0.30%-356.40K
Merewether investment management, lp72.94K0.30%-275.60K

New Positions

HolderShares% AssetsChangeValue
Norges bank1.48M0.03%1.48M$206.54M
Cohen & steers642.00K0.20%642.00K$109.62M
Paradiem86.41K3.44%86.41K$14.75M
Axa investment managers64.68K0.03%64.68K$11.04M
Natixis45.93K0.04%45.93K$7.84M

Sold Out

HolderChange
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


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 20258780.69%157,348,917-1.72%980.98%454-0.87%255-5.56%
Jun 30, 2025856-1.04%160,060,3662.42%1001.04%454-1.73%2652.71%
Mar 31, 202511-98.65%549,695-99.65%-0.00%4-99.05%5-98.00%
Dec 31, 20247935.87%155,771,7635.37%991.06%40714.01%246-4.28%
Sep 30, 20247422.20%146,715,2672.51%951.10%3554.72%253-1.17%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
American Funds American Mutual A5.31M3.34%170.02K
Capital Group American Mutual Comp5.31M3.34%170.02K
Vanguard Total Stock Mkt Idx Inv4.99M3.11%-117.84K
Vanguard US Total Market Shares ETF4.90M3.09%99.50K
Vanguard Institutional 500 Index Trust4.51M2.84%28.47K
Vanguard 500 Index Investor3.93M2.45%-576.12K
Vanguard Small Cap Index3.86M2.40%-25.64K
Vanguard Equity-Income Inv3.00M1.89%-334.89K
The Utilities Select Sector SPDR® ETF2.57M1.60%-2.08K
Vanguard Small Cap Value Index Inv2.35M1.47%4.72K

Recent Insider Transactions


DateNameRoleActivityValue
Dec 03, 2025DONOHUE SEAN-Sell$77.02K
May 14, 2025COCKLIN KIM R-Sell$2.26M
Nov 11, 2024Geiser Edward-Buy$362.23K
May 16, 2024WALTERS DIANA J-Sell$47.20K
Mar 27, 2024COCKLIN KIM R-Sell$1.75M

Insider Transactions Trends


DateBuySell
2025 Q4-1
2025 Q3--
2025 Q2-1
2025 Q1--
2024 Q41-

ATO Ownership FAQ


Who owns the most shares of Atmos Energy?

Atmos Energy’s largest shareholders are Vanguard group (20.76M shares, 13.03%), Blackrock funding, inc. /de (14.56M shares, 9.14%), and Blackrock (13.19M shares, 8.72%). Together, they hold 30.89% of Atmos Energy’s total shares outstanding.

Does Blackrock own Atmos Energy?

Yes, BlackRock owns 8.72% of Atmos Energy, totaling 13.19M shares as of Jun 2024. This represents 0.03% of BlackRock's total assets, with a market value of 1.54B$. In the last quarter, BlackRock increased its holdings by 115.47K shares, a 0.88% change.

Who is Atmos Energy’s biggest shareholder by percentage of total assets invested?

Sfmg is Atmos Energy’s biggest shareholder by percentage of total assets invested, with 12.34% of its assets in 1.04M Atmos Energy shares, valued at 177.95M$.

Who is the top mutual fund holder of Atmos Energy shares?

American Funds American Mutual A is the top mutual fund holder of Atmos Energy shares, with 3.34% of its total shares outstanding invested in 5.31M Atmos Energy shares.

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