Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 70,655 | $11,844 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 70,703 | $12,073 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 73,486 | $11,325 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 77,252 | $11,942 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 71,729 | $9,990 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 87,748 | $12,172 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 88,146 | $10,282 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 97,986 | $11,647 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 91,225 | $10,573 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 97,452 | $10,323 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 85,481 | $9,945 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 82,994 | $9,325 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 95,286 | $10,679 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 98,000 | $9,981 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 82,181 | $9,213 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 826,958 | $98,836 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 2,070,427 | $216,919 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 2,037,709 | $179,726 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 1,424,308 | $136,891 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 1,253,311 | $120,001 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 145,843 | $13,918 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 171,956 | $16,437 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 175,658 | $17,491 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 196,692 | $19,518 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 189,572 | $21,205 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 153,294 | $17,483 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 137,805 | $14,446 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 158,818 | $16,276 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 152,583 | $14,147 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 98,611 | $9,261 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 232,063 | $20,918 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 226,296 | $19,063 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 227,253 | $19,519 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 227,619 | $19,084 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 230,288 | $19,102 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 218,553 | $17,264 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 218,590 | $16,208 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 224,110 | $16,689 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 220,282 | $17,913 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 214,147 | $15,903 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 12,015 | $757 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 10,337 | $601 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 9,813 | $503 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 10,055 | $556 | $42.34 | $39.60 - $45.52 |