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Livermore
Livermore
ZHEN

Sigma Planning Corp

SEC CIK
0001449126
Latest filing
Aug 7, 2026

ATO holding history

Atmos Energy Corp in every 13F filed by Sigma Planning Corp, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ATO overviewAll 13F holders of ATOFull Q2 2026 holdings

Shares (Q2 2026)
3,818
Value
$657.8K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of ATO by Sigma Planning Corp, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20263,818$657.8K<0.1%−16−0.4%ReducedHolders
Q1 20263,834$708.2K<0.1%−5−0.1%ReducedHolders
Q4 20253,839$643.6K<0.1%−13−0.3%ReducedHolders
Q3 20253,852$657.7K<0.1%−142−3.6%ReducedHolders
Q2 20253,994$615.5K<0.1%+31+0.8%AddedHolders
Q1 20253,963$612.7K<0.1%+561+16.5%AddedHolders
Q4 20243,402$473.9K<0.1%−1,778−34.3%ReducedHolders
Q3 20245,180$718.5K<0.1%−332−6.0%ReducedHolders
Q2 20245,512$643.0K<0.1%+1,822+49.4%AddedHolders
Q1 20243,690$438.6K<0.1%+910+32.7%AddedHolders
Q4 20232,780$322.2K<0.1%−821−22.8%ReducedHolders
Q3 20233,601$381.5K<0.1%+160+4.6%AddedHolders
Q2 20233,441$400.3K<0.1%−615−15.2%ReducedHolders
Q1 20234,056$455.8K<0.1%+1,323+48.4%AddedHolders
Q4 20222,733$306.3K<0.1%−224−7.6%ReducedHolders
Q3 20222,957$301.0K<0.1%+168+6.0%AddedHolders
Q2 20222,789$313.0K<0.1%−75−2.6%ReducedHolders
Q1 20222,864$342.0K<0.1%−1,615−36.1%ReducedHolders
Q4 20214,479$469.0K<0.1%−280−5.9%ReducedHolders
Q3 20214,759$420.0K<0.1%+545+12.9%AddedHolders
Q2 20214,214$405.0K<0.1%+1,398+49.6%AddedHolders
Q1 20212,816$278.0K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.