Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 161,651 | $46,601 | $258.45 | $230.09 - $299.69 |
| Q3 2025 | 126,079 | $30,061 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 121,104 | $23,830 | $173.47 | $139.20 - $199.47 |
| Q1 2025 | 113,353 | $19,047 | $174.30 | $151.61 - $191.09 |
| Q4 2024 | 111,925 | $20,697 | $186.57 | $173.54 - $199.47 |
| Q3 2024 | 135,655 | $24,119 | $169.81 | $152.32 - $189.75 |
| Q2 2024 | 186,344 | $29,113 | $159.16 | $147.08 - $169.59 |
| Q1 2024 | 132,011 | $22,108 | $155.40 | $145.30 - $167.84 |
| Q4 2023 | 138,425 | $20,960 | $134.30 | $120.16 - $156.31 |
| Q3 2023 | 167,272 | $21,802 | $139.81 | $129.01 - $163.83 |
| Q2 2023 | 169,566 | $25,416 | $143.06 | $135.39 - $151.92 |
| Q1 2023 | 204,011 | $29,055 | $157.88 | $132.31 - $180.50 |
| Q4 2022 | 208,412 | $33,019 | $141.36 | $108.04 - $163.24 |
| Q3 2022 | 231,082 | $26 | $125.39 | $109.48 - $141.92 |
| Q2 2022 | 262,605 | $31 | $128.58 | $112.28 - $146.71 |
| Q1 2022 | 231,370 | $32,611 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 235,192 | $38,691 | $167.52 | $146.96 - $191.42 |
| Q3 2021 | 198,868 | $30,047 | $163.56 | $146.02 - $180.77 |
| Q2 2021 | 306,488 | $47,263 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 327,130 | $48,752 | $130.58 | $98.76 - $153.37 |
| Q4 2020 | 269,551 | $27,414 | $86.25 | $66.34 - $103.21 |
| Q3 2020 | 287,676 | $19,671 | $69.80 | $62.10 - $75.77 |
| Q2 2020 | 281,217 | $20,968 | $67.48 | $53.23 - $82.32 |
| Q1 2020 | 293,179 | $17,338 | $74.64 | $44.30 - $88.80 |
| Q4 2019 | 460,068 | $38,986 | $81.44 | $70.43 - $87.94 |
| Q3 2019 | 450,610 | $37,558 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 341,221 | $31,440 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 666,754 | $71,416 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 817,471 | $79,655 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 1,119,984 | $153,124 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 1,370,285 | $203,721 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 1,357,802 | $257,411 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 1,443,398 | $296,258 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 1,452,227 | $275,677 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 1,397,324 | $231,760 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 1,379,255 | $226,115 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 1,824,440 | $265,091 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 1,671,763 | $241,905 | $138.59 | $126.84 - $143.96 |
| Q2 2016 | 1,701,003 | $239,451 | $158.47 | $126.98 - $174.12 |
| Q1 2016 | 1,491,212 | $242,172 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 2,137,988 | $341,565 | $166.43 | $137.16 - $184.66 |
| Q3 2015 | 1,457,609 | $249,237 | $190.37 | $159.30 - $214.73 |
| Q2 2015 | 864,814 | $189,048 | $215.27 | $205.22 - $223.28 |
| Q1 2015 | 897,618 | $192,790 | $204.27 | $185.26 - $214.40 |
| Q4 2014 | 827,157 | $175,557 | $192.32 | $168.87 - $209.59 |
| Q3 2014 | 458,003 | $91,766 | $197.54 | $186.21 - $207.58 |
| Q2 2014 | 234,101 | $48,084 | $187.17 | $171.21 - $199.62 |
| Q1 2014 | 170,095 | $34,028 | $190.16 | $175.09 - $212.40 |
| Q4 2013 | 193,262 | $41,915 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 173,445 | $31,678 | $171.93 | $151.62 - $183.39 |
| Q2 2013 | 146,038 | $23,941 | $153.14 | $138.12 - $166.12 |
| Q4 2012 | 102,199 | $13,301 | — | — |
| Q3 2012 | 134,498 | $16,543 | — | — |
| Q2 2012 | 167,419 | $18,324 | — | — |
| Q1 2012 | 120,788 | $13,505 | — | — |