Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 2,887,367 | $484,009 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 2,839,507 | $484,846 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 2,862,853 | $441,194 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 2,891,902 | $447,030 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 3,078,424 | $428,732 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 3,020,033 | $418,909 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 2,889,819 | $337,097 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 3,091,415 | $367,477 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 3,141,149 | $364,059 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 3,384,450 | $358,515 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 3,964,094 | $461,183 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 4,209,667 | $472,998 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 4,538,712 | $508,653 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 4,905,283 | $499,604 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 4,917,780 | $551,284 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 4,280,971 | $511,534 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 3,884,420 | $406,971 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 2,963,181 | $261,351 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 2,144,774 | $206,135 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 471,030 | $46,561 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 790,615 | $75,448 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 1,067,183 | $102,012 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 1,575,083 | $156,847 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 1,576,747 | $156,460 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 1,460,846 | $163,405 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 1,479,617 | $168,508 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 1,971,500 | $208,106 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 1,644,784 | $169,292 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 914,149 | $84,757 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 578,713 | $54,343 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 369,565 | $33,308 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 182,040 | $15,331 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 853,459 | $73,298 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 183,903 | $15,416 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 155,873 | $12,929 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 165,819 | $13,096 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 211,003 | $15,644 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 246,970 | $18,389 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 197,188 | $16,034 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 210,140 | $15,602 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 87,023 | $5,484 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 107,208 | $6,236 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 46,756 | $2,395 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 1,676,825 | $92,725 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 1,543,265 | $86,020 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 142,132 | $6,778 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 95,981 | $5,124 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 136,983 | $6,454 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 178,354 | $8,099 | $32.69 | $30.16 - $35.01 |
| Q3 2013 | 138,848 | $5,911 | $31.01 | $28.94 - $33.33 |