Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 60,416 | $17,417 | $258.45 | $230.09 - $299.69 |
| Q3 2025 | 9,363 | $2,232 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 9,286 | $1,827 | $173.47 | $139.20 - $199.47 |
| Q1 2025 | 11,987 | $2,014 | $174.30 | $151.61 - $191.09 |
| Q4 2024 | 23,009 | $4,255 | $186.57 | $173.54 - $199.47 |
| Q3 2024 | 22,387 | $3,980 | $169.81 | $152.32 - $189.75 |
| Q2 2024 | 23,094 | $3,608 | $159.16 | $147.08 - $169.59 |
| Q1 2024 | 9,297 | $1,557 | $155.40 | $145.30 - $167.84 |
| Q4 2023 | 11,700 | $1,772 | $134.30 | $120.16 - $156.31 |
| Q3 2023 | 10,662 | $1,390 | $139.81 | $129.01 - $163.83 |
| Q2 2023 | 13,360 | $2,003 | $143.06 | $135.39 - $151.92 |
| Q1 2023 | 13,731 | $1,956 | $157.88 | $132.31 - $180.50 |
| Q4 2022 | 13,696 | $2,170 | $141.36 | $108.04 - $163.24 |
| Q3 2022 | 18,635 | $2,084 | $125.39 | $109.48 - $141.92 |
| Q2 2022 | 17,908 | $2,087 | $128.58 | $112.28 - $146.71 |
| Q1 2022 | 21,366 | $3,012 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 30,179 | $4,965 | $167.52 | $146.96 - $191.42 |
| Q3 2021 | 28,379 | $4,288 | $163.56 | $146.02 - $180.77 |
| Q2 2021 | 36,199 | $5,582 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 51,283 | $7,643 | $130.58 | $98.76 - $153.37 |
| Q4 2020 | 30,747 | $3,127 | $86.25 | $66.34 - $103.21 |
| Q3 2020 | 30,698 | $2,098 | $69.80 | $62.10 - $75.77 |
| Q2 2020 | 30,894 | $2,304 | $67.48 | $53.23 - $82.32 |
| Q1 2020 | 13,197 | $781 | $74.64 | $44.30 - $88.80 |
| Q4 2019 | 14,808 | $1,254 | $81.44 | $70.43 - $87.94 |
| Q3 2019 | 32,746 | $2,728 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 42,311 | $3,898 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 22,079 | $2,364 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 27,529 | $2,682 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 18,883 | $2,581 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 54,440 | $8,093 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 82,767 | $15,692 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 84,865 | $17,418 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 89,836 | $17,054 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 37,155 | $6,163 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 45,105 | $7,395 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 149,229 | $21,683 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 194,489 | $28,143 | $138.59 | $126.84 - $143.96 |
| Q2 2016 | 96,485 | $13,582 | $158.47 | $126.98 - $174.12 |
| Q1 2016 | 7,888 | $1,281 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 6,563 | $1,048 | $166.43 | $137.16 - $184.66 |
| Q3 2015 | 6,979 | $1,194 | $190.37 | $159.30 - $214.73 |
| Q2 2015 | 10,943 | $2,391 | $215.27 | $205.22 - $223.28 |
| Q1 2015 | 11,147 | $2,395 | $204.27 | $185.26 - $214.40 |
| Q4 2014 | 7,683 | $1,630 | $192.32 | $168.87 - $209.59 |
| Q3 2014 | 11,013 | $2,207 | $197.54 | $186.21 - $207.58 |
| Q2 2014 | 29,789 | $6,118 | $187.17 | $171.21 - $199.62 |
| Q1 2014 | 6,070 | $1,215 | $190.16 | $175.09 - $212.40 |
| Q4 2013 | 29,826 | $6,469 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 24,252 | $4,430 | $171.93 | $151.62 - $183.39 |
| Q2 2013 | 20,875 | $3,423 | $153.14 | $138.12 - $166.12 |