Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 5,509 | $923 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 9,424 | $1,609 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 8,448 | $1,302 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 19,831 | $3,065 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 13,665 | $1,903 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 12,717 | $1,764 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 17,718 | $2,067 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 15,793 | $1,877 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 16,636 | $1,928 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 24,745 | $2,621 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 23,826 | $2,772 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 23,433 | $2,633 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 22,256 | $2,494 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 42,186 | $4,297 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 31,108 | $3,487 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 13,029 | $1,557 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 8,628 | $904 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 8,650 | $763 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 4,707 | $453 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 3,940 | $389 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 929,723 | $88,724 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 998,664 | $95,462 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 506,421 | $50,430 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 429,047 | $42,575 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 98,648 | $11,035 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 41,932 | $4,776 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 346,488 | $36,575 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 390,640 | $40,208 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 386,294 | $35,817 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 378,566 | $35,551 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 321,156 | $28,949 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 286,070 | $24,098 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 222,137 | $19,079 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 212,366 | $17,805 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 204,554 | $16,944 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 260,567 | $20,582 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 269,246 | $19,964 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 377,005 | $28,147 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 395,982 | $32,201 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 425,004 | $31,561 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 374,524 | $23,827 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 364,567 | $21,211 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 316,002 | $16,216 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 246,102 | $13,609 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 41,666 | $2,322 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 1,016 | $48 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 1,016 | $54 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 1,091 | $51 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 1,091 | $50 | $32.69 | $30.16 - $35.01 |