Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2025 | 87,601 | $20,887 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 89,470 | $17,605 | $173.47 | $139.20 - $199.47 |
| Q1 2025 | 88,070 | $14,798 | $174.30 | $151.61 - $191.09 |
| Q4 2024 | 88,596 | $16,383 | $186.57 | $173.54 - $199.47 |
| Q3 2024 | 102,546 | $18,233 | $169.81 | $152.32 - $189.75 |
| Q2 2024 | 103,646 | $16,193 | $159.16 | $147.08 - $169.59 |
| Q1 2024 | 107,446 | $17,994 | $155.40 | $145.30 - $167.84 |
| Q4 2023 | 109,816 | $16,628 | $134.30 | $120.16 - $156.31 |
| Q3 2023 | 109,766 | $14,307 | $139.81 | $129.01 - $163.83 |
| Q2 2023 | 108,650 | $16,286 | $143.06 | $135.39 - $151.92 |
| Q1 2023 | 108,750 | $15,488 | $157.88 | $132.31 - $180.50 |
| Q4 2022 | 110,200 | $17,459 | $141.36 | $108.04 - $163.24 |
| Q3 2022 | 113,194 | $12,716 | $125.39 | $109.48 - $141.92 |
| Q2 2022 | 114,384 | $13,337 | $128.58 | $112.28 - $146.71 |
| Q1 2022 | 143,096 | $20,169 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 157,376 | $25,890 | $167.52 | $146.96 - $191.42 |
| Q3 2021 | 114,584 | $17,312 | $163.56 | $146.02 - $180.77 |
| Q2 2021 | 115,084 | $17,747 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 118,158 | $17,609 | $130.58 | $98.76 - $153.37 |
| Q4 2020 | 124,363 | $12,648 | $86.25 | $66.34 - $103.21 |
| Q3 2020 | 133,963 | $9,161 | $69.80 | $62.10 - $75.77 |
| Q2 2020 | 140,763 | $10,495 | $67.48 | $53.23 - $82.32 |
| Q1 2020 | 160,000 | $9,463 | $74.64 | $44.30 - $88.80 |
| Q4 2019 | 158,400 | $13,422 | $81.44 | $70.43 - $87.94 |
| Q3 2019 | 43,400 | $3,617 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 43,350 | $3,994 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 118,065 | $12,646 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 120,649 | $11,756 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 123,600 | $16,899 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 122,539 | $18,217 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 122,657 | $23,254 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 143,668 | $29,314 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 147,687 | $28,036 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 150,267 | $24,924 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 241,091 | $39,524 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 215,686 | $31,339 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 274,008 | $39,649 | $138.59 | $126.84 - $143.96 |
| Q2 2016 | 479,614 | $67,516 | $158.47 | $126.98 - $174.12 |
| Q1 2016 | 505,511 | $82,095 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 438,068 | $69,985 | $166.43 | $137.16 - $184.66 |
| Q3 2015 | 415,503 | $71,047 | $190.37 | $159.30 - $214.73 |
| Q2 2015 | 417,503 | $91,266 | $215.27 | $205.22 - $223.28 |
| Q1 2015 | 429,657 | $92,282 | $204.27 | $185.26 - $214.40 |
| Q4 2014 | 541,514 | $114,931 | $192.32 | $168.87 - $209.59 |
| Q3 2014 | 550,687 | $110,336 | $197.54 | $186.21 - $207.58 |
| Q2 2014 | 609,189 | $125,127 | $187.17 | $171.21 - $199.62 |
| Q1 2014 | 902,277 | $180,500 | $190.16 | $175.09 - $212.40 |
| Q4 2013 | 896,724 | $194,481 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 1,204,114 | $219,920 | $171.93 | $151.62 - $183.39 |
| Q2 2013 | 1,180,619 | $193,551 | $153.14 | $138.12 - $166.12 |