Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 486,229 | $81,507 | $172.31 | $165.37 - $179.62 |
| Q3 2025 | 371,393 | $63,415 | $160.05 | $148.35 - $170.22 |
| Q2 2025 | 376,534 | $58,028 | $153.12 | $139.28 - $164.72 |
| Q1 2025 | 215,112 | $33,252 | $143.02 | $133.16 - $152.73 |
| Q4 2024 | 215,733 | $30,045 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 228,733 | $31,728 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 214,356 | $25,005 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 218,083 | $25,924 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 210,641 | $24,413 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 214,368 | $22,708 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 202,858 | $23,601 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 217,100 | $24,393 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 205,701 | $23,053 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 206,913 | $21,074 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 212,484 | $23,820 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 174,800 | $20,886 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 168,394 | $17,643 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 163,586 | $14,428 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 161,814 | $15,552 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 155,245 | $15,346 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 173,545 | $16,561 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 177,431 | $16,961 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 186,975 | $18,619 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 176,959 | $17,560 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 174,507 | $19,521 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 178,436 | $20,322 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 176,316 | $18,612 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 377,455 | $38,851 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 739,572 | $68,573 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 763,648 | $71,714 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 855,742 | $77,137 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 652,811 | $54,992 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 674,002 | $57,890 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 653,063 | $54,752 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 510,711 | $42,363 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 468,658 | $37,019 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 647,104 | $47,983 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 706,252 | $52,595 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 754,103 | $61,323 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 530,272 | $39,378 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 330,699 | $20,847 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 322,102 | $18,740 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 303,693 | $15,573 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 294,054 | $16,262 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 285,933 | $15,938 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 275,058 | $13,121 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 262,234 | $14,003 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 362,683 | $17,093 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 1,183,742 | $53,765 | $32.69 | $30.16 - $35.01 |
| Q3 2013 | 1,219,020 | $51,918 | $31.01 | $28.94 - $33.33 |
| Q2 2013 | 853,346 | $35,038 | $31.05 | $27.80 - $33.01 |