Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 106,103 | $17,786 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 102,031 | $17,422 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 98,855 | $15,235 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 96,862 | $14,973 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 107,544 | $14,142 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 117,410 | $16,286 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 116,078 | $13,540 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 115,145 | $13,687 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 114,525 | $13,274 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 168,371 | $17,835 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 157,811 | $18,360 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 174,621 | $19,620 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 190,198 | $21,226 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 175,631 | $18,213 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 237,707 | $27,367 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 450,679 | $40,189 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 535,874 | $56,180 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 419,932 | $37,039 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 396,720 | $38,128 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 375,541 | $37,122 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 336,847 | $32,145 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 260,803 | $24,929 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 332,955 | $33,156 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 305,221 | $30,287 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 632,950 | $70,802 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 365,600 | $41,638 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 372,500 | $39,321 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 318,700 | $32,804 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 96,900 | $8,985 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 99,100 | $9,306 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 99,200 | $8,941 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 102,300 | $8,618 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 108,900 | $7,287 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 29,365 | $2,462 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 29,500 | $2,447 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 35,300 | $2,788 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 29,400 | $2,180 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 117,800 | $8,773 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 121,600 | $9,888 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 233,200 | $17,317 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 340,400 | $21,459 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 417,600 | $24,296 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 29,500 | $1,513 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 29,500 | $1,631 | $42.34 | $39.60 - $45.52 |