Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 26,765 | $7,716 | $258.45 | $230.09 - $299.69 |
| Q3 2025 | 27,453 | $6,546 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 27,452 | $5,402 | $173.47 | $139.20 - $199.47 |
| Q1 2025 | 27,544 | $4,628 | $174.30 | $151.61 - $191.09 |
| Q4 2024 | 27,855 | $5,151 | $186.57 | $173.54 - $199.47 |
| Q3 2024 | 30,561 | $5,434 | $169.81 | $152.32 - $189.75 |
| Q2 2024 | 32,055 | $5,008 | $159.16 | $147.08 - $169.59 |
| Q1 2024 | 34,196 | $5,727 | $155.40 | $145.30 - $167.84 |
| Q4 2023 | 37,388 | $5,661 | $134.30 | $120.16 - $156.31 |
| Q3 2023 | 40,214 | $5,241 | $139.81 | $129.01 - $163.83 |
| Q2 2023 | 44,069 | $6,606 | $143.06 | $135.39 - $151.92 |
| Q1 2023 | 47,422 | $6,754 | $157.88 | $132.31 - $180.50 |
| Q4 2022 | 48,616 | $7,702 | $141.36 | $108.04 - $163.24 |
| Q3 2022 | 48,857 | $5,465 | $125.39 | $109.48 - $141.92 |
| Q2 2022 | 50,897 | $5,935 | $128.58 | $112.28 - $146.71 |
| Q1 2022 | 52,410 | $7,387 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 57,452 | $9,451 | $167.52 | $146.96 - $191.42 |
| Q3 2021 | 69,815 | $10,548 | $163.56 | $146.02 - $180.77 |
| Q2 2021 | 71,010 | $10,950 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 78,699 | $11,729 | $130.58 | $98.76 - $153.37 |
| Q4 2020 | 78,943 | $8,029 | $86.25 | $66.34 - $103.21 |
| Q3 2020 | 81,867 | $5,598 | $69.80 | $62.10 - $75.77 |
| Q2 2020 | 81,348 | $6,065 | $67.48 | $53.23 - $82.32 |
| Q1 2020 | 83,781 | $4,955 | $74.64 | $44.30 - $88.80 |
| Q4 2019 | 77,907 | $6,602 | $81.44 | $70.43 - $87.94 |
| Q3 2019 | 84,466 | $7,040 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 84,475 | $7,784 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 86,907 | $9,309 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 88,518 | $8,625 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 91,218 | $12,471 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 92,523 | $13,755 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 93,977 | $17,816 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 96,990 | $19,907 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 98,337 | $18,667 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 107,025 | $17,750 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 107,327 | $17,595 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 112,327 | $16,321 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 115,227 | $16,673 | $138.59 | $126.84 - $143.96 |
| Q2 2016 | 114,327 | $16,094 | $158.47 | $126.98 - $174.12 |
| Q1 2016 | 116,249 | $18,879 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 101,406 | $16,201 | $166.43 | $137.16 - $184.66 |
| Q3 2015 | 99,746 | $17,056 | $190.37 | $159.30 - $214.73 |
| Q2 2015 | 99,946 | $21,848 | $215.27 | $205.22 - $223.28 |
| Q1 2015 | 101,325 | $21,763 | $204.27 | $185.26 - $214.40 |
| Q4 2014 | 103,025 | $21,866 | $192.32 | $168.87 - $209.59 |
| Q3 2014 | 102,089 | $20,455 | $197.54 | $186.21 - $207.58 |
| Q2 2014 | 102,500 | $21,054 | $187.17 | $171.21 - $199.62 |
| Q1 2014 | 95,910 | $19,187 | $190.16 | $175.09 - $212.40 |
| Q4 2013 | 95,510 | $20,714 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 94,810 | $17,316 | $171.93 | $151.62 - $183.39 |
| Q2 2013 | 91,900 | $15,066 | $153.14 | $138.12 - $166.12 |
| Q1 2013 | 89,283 | $13,711 | $141.17 | $128.74 - $151.12 |