Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 896,218 | $150,233 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 899,374 | $153,568 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 886,767 | $136,660 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 928,863 | $143,584 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 932,324 | $129,845 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 930,746 | $129,104 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 947,316 | $110,504 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 959,607 | $114,069 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 1,027,468 | $119,084 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 1,254,886 | $132,930 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 1,275,896 | $148,438 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 1,275,018 | $143,261 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 1,275,437 | $142,938 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 1,529,395 | $155,770 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 1,498,255 | $167,955 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 1,427,698 | $170,594 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 1,462,276 | $153,203 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 1,187,537 | $104,739 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 958,054 | $92,079 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 942,031 | $93,120 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 949,917 | $90,651 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 1,057,603 | $101,098 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 1,032,718 | $102,838 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 1,069,499 | $106,125 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 1,088,396 | $121,747 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 1,070,937 | $121,969 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 1,047,387 | $110,563 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 987,104 | $101,604 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 1,371,087 | $127,127 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 1,392,219 | $130,743 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 1,386,857 | $125,011 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 1,359,135 | $114,494 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 1,360,157 | $116,823 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 1,362,708 | $114,249 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 1,376,644 | $114,193 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 1,353,213 | $106,891 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 1,277,176 | $94,703 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 1,262,845 | $94,045 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 1,242,561 | $101,045 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 1,271,101 | $94,390 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 1,197,835 | $75,512 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 1,257,679 | $73,173 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 1,279,446 | $65,609 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 1,349,121 | $74,608 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 1,697,944 | $94,644 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 1,327,256 | $63,310 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 1,365,791 | $72,933 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 1,393,857 | $65,692 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 1,016,791 | $46,182 | $32.69 | $30.16 - $35.01 |
| Q3 2013 | 1,038,570 | $44,234 | $31.01 | $28.94 - $33.33 |
| Q2 2013 | 1,132,676 | $46,507 | $31.05 | $27.80 - $33.01 |