Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 9,349 | $2,695 | $258.45 | $230.09 - $299.69 |
| Q3 2025 | 7,377 | $1,759 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 6,913 | $1,360 | $173.47 | $139.20 - $199.47 |
| Q1 2025 | 6,913 | $1,162 | $174.30 | $151.61 - $191.09 |
| Q4 2024 | 7,390 | $1,367 | $186.57 | $173.54 - $199.47 |
| Q3 2024 | 7,008 | $1,246 | $169.81 | $152.32 - $189.75 |
| Q2 2024 | 7,008 | $1,095 | $159.16 | $147.08 - $169.59 |
| Q1 2024 | 6,491 | $1,087 | $155.40 | $145.30 - $167.84 |
| Q4 2023 | 7,633 | $1,156 | $134.30 | $120.16 - $156.31 |
| Q3 2023 | 6,840 | $892 | $139.81 | $129.01 - $163.83 |
| Q2 2023 | 6,024 | $903 | $143.06 | $135.39 - $151.92 |
| Q1 2023 | 5,756 | $820 | $157.88 | $132.31 - $180.50 |
| Q4 2022 | 5,442 | $862 | $141.36 | $108.04 - $163.24 |
| Q3 2022 | 4,812 | $538 | $125.39 | $109.48 - $141.92 |
| Q2 2022 | 4,812 | $561 | $128.58 | $112.28 - $146.71 |
| Q1 2022 | 5,506 | $776 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 5,950 | $979 | $167.52 | $146.96 - $191.42 |
| Q3 2021 | 4,413 | $667 | $163.56 | $146.02 - $180.77 |
| Q2 2021 | 4,413 | $681 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 4,530 | $675 | $130.58 | $98.76 - $153.37 |
| Q4 2020 | 5,852 | $595 | $86.25 | $66.34 - $103.21 |
| Q3 2020 | 5,852 | $400 | $69.80 | $62.10 - $75.77 |
| Q2 2020 | 5,414 | $404 | $67.48 | $53.23 - $82.32 |
| Q1 2020 | 3,927 | $232 | $74.64 | $44.30 - $88.80 |
| Q4 2019 | 3,604 | $305 | $81.44 | $70.43 - $87.94 |
| Q3 2019 | 11,121 | $927 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 10,929 | $1,007 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 10,929 | $1,171 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 10,929 | $1,065 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 8,329 | $1,139 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 9,664 | $1,437 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 9,664 | $1,832 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 9,664 | $1,984 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 10,797 | $2,050 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 9,901 | $1,642 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 14,400 | $2,361 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 17,700 | $2,572 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 11,818 | $1,710 | $138.59 | $126.84 - $143.96 |
| Q2 2016 | 7,743 | $1,090 | $158.47 | $126.98 - $174.12 |
| Q1 2016 | 7,526 | $1,222 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 9,633 | $1,539 | $166.43 | $137.16 - $184.66 |
| Q3 2015 | 10,211 | $1,746 | $190.37 | $159.30 - $214.73 |
| Q2 2015 | 9,518 | $2,081 | $215.27 | $205.22 - $223.28 |
| Q1 2015 | 11,333 | $2,434 | $204.27 | $185.26 - $214.40 |
| Q4 2014 | 4,945 | $1,050 | $192.32 | $168.87 - $209.59 |
| Q3 2014 | 4,045 | $810 | $197.54 | $186.21 - $207.58 |
| Q2 2014 | 3,792 | $779 | $187.17 | $171.21 - $199.62 |
| Q1 2014 | 3,414 | $683 | $190.16 | $175.09 - $212.40 |
| Q4 2013 | 3,076 | $667 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 2,655 | $485 | $171.93 | $151.62 - $183.39 |
| Q2 2013 | 2,655 | $435 | $153.14 | $138.12 - $166.12 |
| Q1 2013 | 2,355 | $362 | $141.17 | $128.74 - $151.12 |
| Q4 2012 | 2,024 | $263 | — | — |
| Q3 2012 | 1,852 | $228 | — | — |
| Q2 2012 | 1,727 | $189 | — | — |