Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 94,501 | $27,243 | $258.45 | $230.09 - $299.69 |
| Q3 2025 | 134,456 | $32,058 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 107,345 | $21,122 | $173.47 | $139.20 - $199.47 |
| Q1 2025 | 134,816 | $22,653 | $174.30 | $151.61 - $191.09 |
| Q4 2024 | 118,627 | $21,937 | $186.57 | $173.54 - $199.47 |
| Q3 2024 | 113,191 | $20,125 | $169.81 | $152.32 - $189.75 |
| Q2 2024 | 99,407 | $15,530 | $159.16 | $147.08 - $169.59 |
| Q1 2024 | 39,748 | $6,657 | $155.40 | $145.30 - $167.84 |
| Q4 2023 | 38,844 | $5,882 | $134.30 | $120.16 - $156.31 |
| Q3 2023 | 38,141 | $4,971 | $139.81 | $129.01 - $163.83 |
| Q2 2023 | 38,862 | $5,825 | $143.06 | $135.39 - $151.92 |
| Q1 2023 | 34,494 | $4,913 | $157.88 | $132.31 - $180.50 |
| Q4 2022 | 24,944 | $3,952 | $141.36 | $108.04 - $163.24 |
| Q3 2022 | 363,477 | $40,655 | $125.39 | $109.48 - $141.92 |
| Q2 2022 | 363,039 | $42,330 | $128.58 | $112.28 - $146.71 |
| Q1 2022 | 362,125 | $45,472 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 360,570 | $59,317 | $167.52 | $146.96 - $191.42 |
| Q3 2021 | 363,453 | $54,914 | $163.56 | $146.02 - $180.77 |
| Q2 2021 | 364,341 | $56,185 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 362,263 | $53,988 | $130.58 | $98.76 - $153.37 |
| Q4 2020 | 360,501 | $36,663 | $86.25 | $66.34 - $103.21 |
| Q3 2020 | 365,654 | $25,003 | $69.80 | $62.10 - $75.77 |
| Q2 2020 | 366,874 | $27,354 | $67.48 | $53.23 - $82.32 |
| Q1 2020 | 13,259 | $784 | $74.64 | $44.30 - $88.80 |
| Q3 2019 | 683 | $57 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 900 | $83 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 80,158 | $8,586 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 89,160 | $8,688 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 80,782 | $11,044 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 413,950 | $61,542 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 428,124 | $81,164 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 442,574 | $90,839 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 491,102 | $93,226 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 511,005 | $84,755 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 548,396 | $89,905 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 808,201 | $117,432 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 633,453 | $91,661 | $138.59 | $126.84 - $143.96 |
| Q2 2016 | 659,675 | $92,863 | $158.47 | $126.98 - $174.12 |
| Q1 2016 | 744,679 | $120,936 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 836,747 | $133,678 | $166.43 | $137.16 - $184.66 |
| Q3 2015 | 904,129 | $154,597 | $190.37 | $159.30 - $214.73 |
| Q2 2015 | 943,674 | $206,291 | $215.27 | $205.22 - $223.28 |
| Q4 2014 | 1,054,860 | $223,882 | $192.32 | $168.87 - $209.59 |
| Q3 2014 | 208,385 | $41,753 | $197.54 | $186.21 - $207.58 |
| Q2 2014 | 303,652 | $62,372 | $187.17 | $171.21 - $199.62 |
| Q1 2014 | 329,288 | $65,874 | $190.16 | $175.09 - $212.40 |
| Q4 2013 | 244,295 | $52,982 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 488,073 | $89,141 | $171.93 | $151.62 - $183.39 |