Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 10,935 | $3,158 | $258.45 | $230.09 - $299.69 |
| Q3 2025 | 1,470 | $350 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 1,438 | $283 | $173.47 | $139.20 - $199.47 |
| Q1 2025 | 1,518 | $255 | $174.30 | $151.61 - $191.09 |
| Q4 2024 | 3,655 | $676 | $186.57 | $173.54 - $199.47 |
| Q3 2024 | 8,664 | $1,533 | $169.81 | $152.32 - $189.75 |
| Q2 2024 | 39,405 | $6,154 | $159.16 | $147.08 - $169.59 |
| Q1 2024 | 13,407 | $2,245 | $155.40 | $145.30 - $167.84 |
| Q4 2023 | 31,831 | $4,853 | $134.30 | $120.16 - $156.31 |
| Q3 2023 | 20,366 | $2,682 | $139.81 | $129.01 - $163.83 |
| Q2 2023 | 28,127 | $4,250 | $143.06 | $135.39 - $151.92 |
| Q1 2023 | 19,250 | $2,711 | $157.88 | $132.31 - $180.50 |
| Q4 2022 | 8,104 | $1,279 | $141.36 | $108.04 - $163.24 |
| Q3 2022 | 22,364 | $2,541 | $125.39 | $109.48 - $141.92 |
| Q2 2022 | 8,667 | $1,022 | $128.58 | $112.28 - $146.71 |
| Q1 2022 | 4,998 | $719 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 6,429 | $1,072 | $167.52 | $146.96 - $191.42 |
| Q3 2021 | 4,728 | $722 | $163.56 | $146.02 - $180.77 |
| Q2 2021 | 20,249 | $3,122 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 2,985 | $445 | $130.58 | $98.76 - $153.37 |
| Q4 2020 | 3,948 | $400 | $86.25 | $66.34 - $103.21 |
| Q3 2020 | 8,985 | $621 | $69.80 | $62.10 - $75.77 |
| Q2 2020 | 7,345 | $548 | $67.48 | $53.23 - $82.32 |
| Q1 2020 | 14,837 | $877 | $74.64 | $44.30 - $88.80 |
| Q4 2019 | 28,133 | $2,374 | $81.44 | $70.43 - $87.94 |
| Q3 2019 | 39,216 | $3,268 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 41,383 | $3,813 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 37,191 | $3,983 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 43,378 | $4,227 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 55,280 | $7,558 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 109,969 | $16,350 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 81,402 | $15,433 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 111,184 | $22,821 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 84,030 | $15,951 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 78,976 | $13,099 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 84,968 | $13,929 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 68,915 | $10,014 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 112,711 | $16,260 | $138.59 | $126.84 - $143.96 |
| Q2 2016 | 119,676 | $16,829 | $158.47 | $126.98 - $174.12 |
| Q1 2016 | 127,548 | $20,730 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 216,560 | $34,624 | $166.43 | $137.16 - $184.66 |
| Q3 2015 | 118,623 | $20,203 | $190.37 | $159.30 - $214.73 |
| Q2 2015 | 121,793 | $26,636 | $215.27 | $205.22 - $223.28 |
| Q1 2015 | 118,547 | $25,472 | $204.27 | $185.26 - $214.40 |
| Q4 2014 | 117,886 | $25,027 | $192.32 | $168.87 - $209.59 |
| Q3 2014 | 107,661 | $21,572 | $197.54 | $186.21 - $207.58 |
| Q2 2014 | 79,171 | $16,254 | $187.17 | $171.21 - $199.62 |
| Q1 2014 | 72,682 | $14,540 | $190.16 | $175.09 - $212.40 |
| Q4 2013 | 80,774 | $17,512 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 72,660 | $13,275 | $171.93 | $151.62 - $183.39 |
| Q2 2013 | 55,476 | $9,094 | $153.14 | $138.12 - $166.12 |
| Q1 2013 | 20,333 | $3,122 | $141.17 | $128.74 - $151.12 |
| Q3 2012 | 20,208 | $2,482 | — | — |
| Q2 2012 | 18,232 | $1,995 | — | — |