Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 16,290 | $4,730 | $258.45 | $230.09 - $299.69 |
| Q3 2025 | 2,907 | $693 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 3,256 | $615 | $173.47 | $139.20 - $199.47 |
| Q1 2025 | 2,960 | $547 | $174.30 | $151.61 - $191.09 |
| Q4 2024 | 4,521 | $843 | $186.57 | $173.54 - $199.47 |
| Q3 2024 | 22,471 | $3,995 | $169.81 | $152.32 - $189.75 |
| Q2 2024 | 26,448 | $4,132 | $159.16 | $147.08 - $169.59 |
| Q1 2024 | 22,536 | $3,774 | $155.40 | $145.30 - $167.84 |
| Q4 2023 | 28,966 | $4,386 | $134.30 | $120.16 - $156.31 |
| Q3 2023 | 28,670 | $3,737 | $139.81 | $129.01 - $163.83 |
| Q2 2023 | 28,351 | $4,250 | $143.06 | $135.39 - $151.92 |
| Q1 2023 | 20,351 | $2,398 | $157.88 | $132.31 - $180.50 |
| Q4 2022 | 29,897 | $4,737 | $141.36 | $108.04 - $163.24 |
| Q3 2022 | 21,087 | $2,358 | $125.39 | $109.48 - $141.92 |
| Q2 2022 | 21,277 | $2,480 | $128.58 | $112.28 - $146.71 |
| Q1 2022 | 72,242 | $10,183 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 17,372 | $2,858 | $167.52 | $146.96 - $191.42 |
| Q3 2021 | 11,949 | $1,917 | $163.56 | $146.02 - $180.77 |
| Q2 2021 | 62,337 | $9,613 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 60,760 | $9,055 | $130.58 | $98.76 - $153.37 |
| Q4 2020 | 356,186 | $36,225 | $86.25 | $66.34 - $103.21 |
| Q3 2020 | 721,718 | $49,351 | $69.80 | $62.10 - $75.77 |
| Q2 2020 | 874,598 | $65,210 | $67.48 | $53.23 - $82.32 |
| Q1 2020 | 787,458 | $46,570 | $74.64 | $44.30 - $88.80 |
| Q4 2019 | 1,157,908 | $98,121 | $81.44 | $70.43 - $87.94 |
| Q3 2019 | 1,073,674 | $89,491 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 1,124,809 | $103,640 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 112,299 | $12,029 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 148,218 | $14,442 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 107,415 | $14,686 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 272,058 | $40,447 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 288,013 | $54,601 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 113,960 | $23,391 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 84,618 | $16,063 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 79,549 | $13,194 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 82,806 | $13,576 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 78,817 | $11,452 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 76,942 | $11,133 | $138.59 | $126.84 - $143.96 |
| Q2 2016 | 76,592 | $10,782 | $158.47 | $126.98 - $174.12 |
| Q1 2016 | 88,702 | $14,405 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 93,232 | $14,895 | $166.43 | $137.16 - $184.66 |
| Q3 2015 | 83,902 | $14,347 | $190.37 | $159.30 - $214.73 |
| Q2 2015 | 71,202 | $15,565 | $215.27 | $205.22 - $223.28 |
| Q1 2015 | 73,022 | $15,683 | $204.27 | $185.26 - $214.40 |
| Q4 2014 | 74,152 | $15,738 | $192.32 | $168.87 - $209.59 |
| Q3 2014 | 73,822 | $14,791 | $197.54 | $186.21 - $207.58 |
| Q2 2014 | 110,856 | $22,770 | $187.17 | $171.21 - $199.62 |
| Q1 2014 | 84,570 | $16,918 | $190.16 | $175.09 - $212.40 |
| Q4 2013 | 97,820 | $21,215 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 49,430 | $9,028 | $171.93 | $151.62 - $183.39 |
| Q2 2013 | 57,370 | $9,405 | $153.14 | $138.12 - $166.12 |