Ticker: ATO CUSIP: 049560105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,977,131 | $331,426 | $172.31 | $165.37 - $179.62 |
| Q2 2025 | 1,833,019 | $282,487 | $153.12 | $139.28 - $164.72 |
| Q4 2024 | 1,483,003 | $206,538 | $138.63 | $132.87 - $149.29 |
| Q3 2024 | 1,127,166 | $156,349 | $124.46 | $109.64 - $135.08 |
| Q2 2024 | 1,416,248 | $165,205 | $112.11 | $106.47 - $116.56 |
| Q1 2024 | 1,347,519 | $160,180 | $109.59 | $105.24 - $114.22 |
| Q4 2023 | 1,188,581 | $137,757 | $106.01 | $95.54 - $112.68 |
| Q3 2023 | 747,679 | $79,202 | $110.00 | $99.68 - $117.75 |
| Q2 2023 | 644,574 | $74,990 | $108.41 | $103.17 - $111.81 |
| Q1 2023 | 677,381 | $76,111 | $105.88 | $98.79 - $112.70 |
| Q4 2022 | 268,384 | $30,078 | $101.69 | $90.11 - $112.36 |
| Q3 2022 | 54,449 | $5,546 | $105.33 | $93.67 - $111.79 |
| Q2 2022 | 31,492 | $3,530 | $104.70 | $93.56 - $112.06 |
| Q1 2022 | 114,463 | $13,677 | $99.21 | $90.38 - $110.22 |
| Q4 2021 | 73,797 | $7,732 | $85.46 | $78.93 - $95.35 |
| Q3 2021 | 108,798 | $9,596 | $86.62 | $77.13 - $91.37 |
| Q2 2021 | 263,938 | $25,367 | $89.25 | $85.46 - $93.19 |
| Q1 2021 | 479,209 | $47,370 | $80.51 | $75.08 - $88.10 |
| Q4 2020 | 175,961 | $16,792 | $84.69 | $79.43 - $90.82 |
| Q3 2020 | 356,921 | $34,118 | $87.17 | $79.28 - $93.24 |
| Q2 2020 | 352,417 | $35,094 | $87.57 | $79.06 - $96.43 |
| Q1 2020 | 774,259 | $76,830 | $94.97 | $67.49 - $104.36 |
| Q4 2019 | 755,268 | $84,484 | $94.23 | $90.61 - $97.90 |
| Q3 2019 | 755,268 | $86,018 | $93.46 | $88.89 - $98.75 |
| Q2 2019 | 755,268 | $79,726 | $87.10 | $83.76 - $92.55 |
| Q1 2019 | 678,927 | $69,882 | $82.49 | $75.32 - $88.35 |
| Q4 2018 | 634,324 | $58,814 | $80.45 | $74.21 - $84.63 |
| Q3 2018 | 584,169 | $54,859 | $77.27 | $74.53 - $79.98 |
| Q2 2018 | 564,227 | $50,860 | $72.10 | $68.34 - $76.14 |
| Q1 2018 | 493,382 | $41,562 | $67.40 | $63.14 - $71.11 |
| Q4 2017 | 452,740 | $38,886 | $72.39 | $68.66 - $77.26 |
| Q3 2017 | 495,608 | $41,552 | $70.65 | $67.11 - $73.09 |
| Q2 2017 | 573,727 | $47,591 | $66.84 | $63.72 - $70.25 |
| Q1 2017 | 537,238 | $42,436 | $62.15 | $58.60 - $65.46 |
| Q4 2016 | 665,533 | $49,349 | $58.13 | $55.00 - $60.79 |
| Q3 2016 | 752,538 | $53,526 | $61.59 | $57.49 - $65.43 |
| Q2 2016 | 739,423 | $60,130 | $59.01 | $55.88 - $64.94 |
| Q1 2016 | 774,423 | $57,508 | $54.32 | $47.33 - $59.20 |
| Q4 2015 | 1,072,152 | $67,588 | $48.30 | $44.95 - $51.11 |
| Q3 2015 | 1,092,553 | $63,565 | $42.88 | $39.71 - $45.70 |
| Q2 2015 | 1,093,053 | $56,052 | $41.53 | $39.55 - $43.78 |
| Q1 2015 | 842,053 | $46,566 | $42.34 | $39.60 - $45.52 |
| Q4 2014 | 801,083 | $44,653 | $40.22 | $35.95 - $44.62 |
| Q3 2014 | 782,405 | $37,321 | $37.83 | $35.35 - $40.41 |
| Q2 2014 | 746,217 | $39,848 | $38.03 | $34.82 - $40.36 |
| Q1 2014 | 746,217 | $35,170 | $34.39 | $32.86 - $35.99 |
| Q4 2013 | 746,217 | $33,893 | $32.69 | $30.16 - $35.01 |
| Q3 2013 | 746,217 | $31,781 | $31.01 | $28.94 - $33.33 |
| Q2 2013 | 746,217 | $30,639 | $31.05 | $27.80 - $33.01 |
| Q1 2013 | 746,217 | $31,856 | $27.73 | $25.08 - $31.01 |
| Q3 2012 | 717,944 | $25,695 | — | — |
| Q2 2012 | 717,944 | $25,738 | — | — |