Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 9,406 | $1,580 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 9,189 | $1,568 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 7,951 | $1,217 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 6,819 | $1,056 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 6,774 | $941 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 6,774 | $936 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 6,774 | $786 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 6,774 | $805 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 6,774 | $786 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 7,037 | $747 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 6,002 | $697 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 5,420 | $607 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 5,420 | $616 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 5,420 | $564 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 5,420 | $601 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 6,636 | $801 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 6,636 | $693 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 6,636 | $590 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 6,636 | $638 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 5,396 | $530 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 5,396 | $515 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 5,396 | $514 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 11,380 | $1,124 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 5,690 | $571 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 5,393 | $597 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 5,553 | $636 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 5,700 | $602 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 14,725 | $1,516 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 4,722 | $438 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 4,722 | $444 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 4,722 | $426 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 4,722 | $398 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 4,722 | $406 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 4,511 | $378 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 4,511 | $374 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 2,256 | $178 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 2,147 | $159 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 2,147 | $160 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 2,147 | $175 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 2,000 | $149 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 113,434 | $7,151 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 1,177,950 | $68,533 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 1,188,438 | $60,943 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 1,222,050 | $67,579 | $42.34 | $39.60 - $45.52 |
| Q3 2013 | 985,872 | $41,988 | $31.01 | $28.94 - $33.33 |
| Q2 2013 | 899,357 | $36,928 | $31.05 | $27.80 - $33.01 |