Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 91,538 | $26,389 | $258.45 | $230.09 - $299.69 |
| Q3 2025 | 124,562 | $29,699 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 126,415 | $24,875 | $173.47 | $139.20 - $199.47 |
| Q1 2025 | 125,970 | $21,167 | $174.30 | $151.61 - $191.09 |
| Q4 2024 | 192,524 | $35,602 | $186.57 | $173.54 - $199.47 |
| Q3 2024 | 185,147 | $32,919 | $169.81 | $152.32 - $189.75 |
| Q2 2024 | 173,582 | $27,119 | $159.16 | $147.08 - $169.59 |
| Q1 2024 | 171,690 | $28,753 | $155.40 | $145.30 - $167.84 |
| Q4 2023 | 161,375 | $24,435 | $134.30 | $120.16 - $156.31 |
| Q3 2023 | 36,504 | $4,758 | $139.81 | $129.01 - $163.83 |
| Q2 2023 | 41,770 | $6,261 | $143.06 | $135.39 - $151.92 |
| Q1 2023 | 42,366 | $6,034 | $157.88 | $132.31 - $180.50 |
| Q4 2022 | 43,870 | $6,950 | $141.36 | $108.04 - $163.24 |
| Q3 2022 | 43,882 | $4,908 | $125.39 | $109.48 - $141.92 |
| Q2 2022 | 46,622 | $5,436 | $128.58 | $112.28 - $146.71 |
| Q1 2022 | 55,191 | $7,779 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 52,678 | $8,666 | $167.52 | $146.96 - $191.42 |
| Q3 2021 | 52,820 | $7,981 | $163.56 | $146.02 - $180.77 |
| Q2 2021 | 52,468 | $8,091 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 56,668 | $8,445 | $130.58 | $98.76 - $153.37 |
| Q4 2020 | 65,468 | $6,658 | $86.25 | $66.34 - $103.21 |
| Q3 2020 | 70,968 | $4,853 | $69.80 | $62.10 - $75.77 |
| Q2 2020 | 80,668 | $6,015 | $67.48 | $53.23 - $82.32 |
| Q1 2020 | 93,200 | $5,512 | $74.64 | $44.30 - $88.80 |
| Q4 2019 | 94,900 | $8,042 | $81.44 | $70.43 - $87.94 |
| Q3 2019 | 98,100 | $8,177 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 97,600 | $8,993 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 102,600 | $10,989 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 104,200 | $10,153 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 108,900 | $14,889 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 123,574 | $18,372 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 137,574 | $26,081 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 141,959 | $29,137 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 145,350 | $27,592 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 139,989 | $23,219 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 151,606 | $24,854 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 171,510 | $24,920 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 183,400 | $26,538 | $138.59 | $126.84 - $143.96 |
| Q2 2016 | 190,760 | $26,853 | $158.47 | $126.98 - $174.12 |
| Q1 2016 | 160,135 | $26,006 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 166,635 | $26,622 | $166.43 | $137.16 - $184.66 |
| Q3 2015 | 182,637 | $31,229 | $190.37 | $159.30 - $214.73 |
| Q2 2015 | 206,784 | $45,203 | $215.27 | $205.22 - $223.28 |
| Q1 2015 | 241,395 | $51,847 | $204.27 | $185.26 - $214.40 |
| Q4 2014 | 222,714 | $47,269 | $192.32 | $168.87 - $209.59 |
| Q3 2014 | 211,235 | $42,323 | $197.54 | $186.21 - $207.58 |
| Q2 2014 | 216,900 | $44,551 | $187.17 | $171.21 - $199.62 |
| Q1 2014 | 195,964 | $39,203 | $190.16 | $175.09 - $212.40 |
| Q4 2013 | 191,664 | $41,568 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 191,664 | $35,006 | $171.93 | $151.62 - $183.39 |
| Q2 2013 | 195,089 | $31,983 | $153.14 | $138.12 - $166.12 |