Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,040,001 | $174,335 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 1,238,547 | $211,482 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 1,347,171 | $207,613 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 1,464,818 | $226,432 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 1,741,198 | $242,497 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 2,104,642 | $291,935 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 2,642,667 | $308,267 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 2,667,759 | $317,117 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 3,087,042 | $357,788 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 3,398,644 | $360,018 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 3,685,905 | $428,818 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 3,542,396 | $398,023 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 3,056,493 | $342,541 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 3,330,480 | $339,209 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 3,498,866 | $392,223 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 3,956,607 | $472,775 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 5,296,448 | $554,909 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 5,474,953 | $482,891 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 5,419,138 | $520,833 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 5,452,312 | $538,961 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 5,351,227 | $510,668 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 4,050,745 | $387,211 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 3,684,592 | $366,912 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 3,323,611 | $329,802 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 3,397,704 | $380,067 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 3,409,351 | $388,291 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 3,389,555 | $357,801 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 3,346,085 | $344,413 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 3,186,854 | $295,485 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 2,818,645 | $264,699 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 2,845,068 | $256,454 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 2,933,738 | $247,138 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 2,568,326 | $220,594 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 2,663,516 | $223,309 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 2,663,556 | $220,942 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 2,738,696 | $216,330 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 2,312,710 | $171,487 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 2,025,120 | $150,811 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 1,951,877 | $158,727 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 1,909,051 | $141,766 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 1,558,069 | $98,221 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 1,575,731 | $91,676 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 1,637,127 | $83,952 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 1,625,926 | $89,914 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 1,747,905 | $97,428 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 1,130,666 | $53,933 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 1,169,410 | $62,446 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 294,521 | $13,881 | $34.39 | $32.86 - $35.99 |