Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 34,150 | $5,725 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 34,244 | $5,847 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 34,084 | $5,253 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 34,110 | $5,273 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 33,609 | $4,681 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 33,932 | $4,707 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 33,282 | $3,882 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 33,293 | $3,958 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 32,727 | $3,793 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 33,568 | $3,556 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 32,839 | $3,820 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 42,315 | $4,755 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 44,815 | $5,022 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 46,463 | $4,732 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 46,086 | $5,166 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 44,873 | $5,362 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 43,879 | $4,597 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 44,914 | $3,961 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 47,800 | $4,594 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 47,803 | $4,725 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 282,238 | $26,934 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 282,217 | $26,977 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 284,798 | $28,360 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 52,463 | $5,206 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 52,451 | $5,867 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 51,762 | $5,895 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 54,558 | $5,759 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 110,734 | $11,398 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 282,653 | $26,208 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 274,913 | $25,817 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 275,025 | $24,791 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 274,710 | $23,142 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 274,504 | $23,577 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 268,061 | $22,474 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 289,740 | $24,034 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 256,689 | $20,276 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 255,162 | $18,920 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 254,729 | $18,970 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 314,145 | $25,546 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 313,860 | $23,307 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 312,701 | $19,713 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 310,825 | $18,084 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 263,217 | $13,498 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 262,927 | $14,540 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 261,408 | $14,571 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 261,408 | $12,469 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 258,423 | $13,800 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 260,656 | $12,285 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 111,118 | $5,047 | $32.69 | $30.16 - $35.01 |
| Q3 2013 | 111,118 | $4,733 | $31.01 | $28.94 - $33.33 |
| Q2 2013 | 166,232 | $6,825 | $31.05 | $27.80 - $33.01 |
| Q1 2013 | 166,131 | $7,092 | $27.73 | $25.08 - $31.01 |