Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 35,748 | $10 | $258.45 | $230.09 - $299.69 |
| Q3 2025 | 36,566 | $9 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 36,813 | $7 | $173.47 | $139.20 - $199.47 |
| Q1 2025 | 37,098 | $6 | $174.30 | $151.61 - $191.09 |
| Q4 2024 | 41,198 | $8 | $186.57 | $173.54 - $199.47 |
| Q3 2024 | 46,009 | $8 | $169.81 | $152.32 - $189.75 |
| Q2 2024 | 48,728 | $8 | $159.16 | $147.08 - $169.59 |
| Q1 2024 | 51,901 | $9 | $155.40 | $145.30 - $167.84 |
| Q4 2023 | 52,201 | $8 | $134.30 | $120.16 - $156.31 |
| Q3 2023 | 53,120 | $7 | $139.81 | $129.01 - $163.83 |
| Q2 2023 | 56,339 | $8 | $143.06 | $135.39 - $151.92 |
| Q1 2023 | 58,635 | $8 | $157.88 | $132.31 - $180.50 |
| Q4 2022 | 59,019 | $9 | $141.36 | $108.04 - $163.24 |
| Q3 2022 | 59,023 | $6,602 | $125.39 | $109.48 - $141.92 |
| Q2 2022 | 59,347 | $6,920 | $128.58 | $112.28 - $146.71 |
| Q1 2022 | 59,948 | $8,450 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 59,848 | $9,846 | $167.52 | $146.96 - $191.42 |
| Q3 2021 | 55,345 | $8,362 | $163.56 | $146.02 - $180.77 |
| Q2 2021 | 53,358 | $8,228 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 50,263 | $7,491 | $130.58 | $98.76 - $153.37 |
| Q4 2020 | 50,979 | $5,185 | $86.25 | $66.34 - $103.21 |
| Q3 2020 | 53,979 | $3,691 | $69.80 | $62.10 - $75.77 |
| Q2 2020 | 47,079 | $3,510 | $67.48 | $53.23 - $82.32 |
| Q1 2020 | 40,879 | $2,418 | $74.64 | $44.30 - $88.80 |
| Q4 2019 | 40,879 | $3,464 | $81.44 | $70.43 - $87.94 |
| Q3 2019 | 44,019 | $3,669 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 54,953 | $5,063 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 55,106 | $5,902 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 62,304 | $6,071 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 76,151 | $10,411 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 82,140 | $12,212 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 88,407 | $16,760 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 89,974 | $18,467 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 91,898 | $17,445 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 93,637 | $15,531 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 88,444 | $14,500 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 88,727 | $12,892 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 89,861 | $13,003 | $138.59 | $126.84 - $143.96 |
| Q2 2016 | 97,686 | $13,751 | $158.47 | $126.98 - $174.12 |
| Q1 2016 | 97,703 | $15,867 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 98,607 | $15,753 | $166.43 | $137.16 - $184.66 |
| Q3 2015 | 98,631 | $16,865 | $190.37 | $159.30 - $214.73 |
| Q2 2015 | 98,672 | $21,570 | $215.27 | $205.22 - $223.28 |
| Q1 2015 | 101,860 | $21,877 | $204.27 | $185.26 - $214.40 |
| Q4 2014 | 102,052 | $21,660 | $192.32 | $168.87 - $209.59 |
| Q3 2014 | 102,050 | $20,447 | $197.54 | $186.21 - $207.58 |
| Q2 2014 | 102,024 | $20,956 | $187.17 | $171.21 - $199.62 |
| Q1 2014 | 100,328 | $20,071 | $190.16 | $175.09 - $212.40 |
| Q4 2013 | 102,728 | $22,280 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 105,528 | $19,274 | $171.93 | $151.62 - $183.39 |
| Q2 2013 | 106,728 | $17,497 | $153.14 | $138.12 - $166.12 |