Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,477 | $426 | $258.45 | $230.09 - $299.69 |
| Q3 2025 | 1,477 | $352 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 1,477 | $291 | $173.47 | $139.20 - $199.47 |
| Q1 2025 | 1,600 | $269 | $174.30 | $151.61 - $191.09 |
| Q4 2024 | 1,600 | $296 | $186.57 | $173.54 - $199.47 |
| Q3 2024 | 1,700 | $302 | $169.81 | $152.32 - $189.75 |
| Q2 2024 | 1,700 | $266 | $159.16 | $147.08 - $169.59 |
| Q1 2024 | 1,900 | $318 | $155.40 | $145.30 - $167.84 |
| Q4 2023 | 6,080 | $921 | $134.30 | $120.16 - $156.31 |
| Q3 2023 | 6,080 | $792 | $139.81 | $129.01 - $163.83 |
| Q2 2023 | 6,080 | $911 | $143.06 | $135.39 - $151.92 |
| Q1 2023 | 6,580 | $937 | $157.88 | $132.31 - $180.50 |
| Q4 2022 | 6,580 | $1,042 | $141.36 | $108.04 - $163.24 |
| Q3 2022 | 6,880 | $770 | $125.39 | $109.48 - $141.92 |
| Q2 2022 | 6,880 | $802 | $128.58 | $112.28 - $146.71 |
| Q1 2022 | 7,180 | $1,012 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 7,380 | $1,214 | $167.52 | $146.96 - $191.42 |
| Q3 2021 | 7,380 | $1,115 | $163.56 | $146.02 - $180.77 |
| Q2 2021 | 7,880 | $1,215 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 8,580 | $1,279 | $130.58 | $98.76 - $153.37 |
| Q4 2020 | 8,980 | $913 | $86.25 | $66.34 - $103.21 |
| Q3 2020 | 8,880 | $607 | $69.80 | $62.10 - $75.77 |
| Q2 2020 | 8,980 | $669 | $67.48 | $53.23 - $82.32 |
| Q1 2020 | 9,380 | $555 | $74.64 | $44.30 - $88.80 |
| Q4 2019 | 9,380 | $795 | $81.44 | $70.43 - $87.94 |
| Q3 2019 | 9,580 | $798 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 9,680 | $892 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 9,890 | $1,060 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 9,849 | $959 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 9,849 | $1,347 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 10,049 | $1,494 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 10,249 | $1,943 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 10,249 | $2,104 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 10,349 | $1,965 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 10,249 | $1,700 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 10,349 | $1,697 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 9,949 | $1,446 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 9,949 | $1,439 | $138.59 | $126.84 - $143.96 |
| Q2 2016 | 9,949 | $1,401 | $158.47 | $126.98 - $174.12 |
| Q1 2016 | 9,949 | $1,615 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 9,849 | $1,573 | $166.43 | $137.16 - $184.66 |
| Q3 2015 | 9,849 | $1,684 | $190.37 | $159.30 - $214.73 |
| Q2 2015 | 9,849 | $2,153 | $215.27 | $205.22 - $223.28 |
| Q1 2015 | 9,949 | $2,137 | $204.27 | $185.26 - $214.40 |
| Q4 2014 | 9,549 | $2,027 | $192.32 | $168.87 - $209.59 |
| Q3 2014 | 9,549 | $1,914 | $197.54 | $186.21 - $207.58 |
| Q2 2014 | 9,649 | $1,982 | $187.17 | $171.21 - $199.62 |
| Q1 2014 | 9,449 | $1,890 | $190.16 | $175.09 - $212.40 |
| Q4 2013 | 9,349 | $2,028 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 9,549 | $1,744 | $171.93 | $151.62 - $183.39 |
| Q2 2013 | 9,549 | $1,566 | $153.14 | $138.12 - $166.12 |