Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 4,242 | $1,239 | $258.45 | $230.09 - $299.69 |
| Q3 2025 | 3,432 | $819 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 3,196 | $629 | $173.47 | $139.20 - $199.47 |
| Q1 2025 | 3,122 | $525 | $174.30 | $151.61 - $191.09 |
| Q4 2024 | 3,326 | $615 | $186.57 | $173.54 - $199.47 |
| Q3 2024 | 2,007 | $357 | $169.81 | $152.32 - $189.75 |
| Q2 2024 | 2,236 | $349 | $159.16 | $147.08 - $169.59 |
| Q1 2024 | 2,423 | $406 | $155.40 | $145.30 - $167.84 |
| Q4 2023 | 2,715 | $411 | $134.30 | $120.16 - $156.31 |
| Q3 2023 | 2,733 | $356 | $139.81 | $129.01 - $163.83 |
| Q2 2023 | 3,041 | $456 | $143.06 | $135.39 - $151.92 |
| Q1 2023 | 3,581 | $510 | $157.88 | $132.31 - $180.50 |
| Q4 2022 | 3,279 | $519 | $141.36 | $108.04 - $163.24 |
| Q3 2022 | 3,279 | $367 | $125.39 | $109.48 - $141.92 |
| Q2 2022 | 3,563 | $415 | $128.58 | $112.28 - $146.71 |
| Q1 2022 | 4,409 | $621 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 5,190 | $854 | $167.52 | $146.96 - $191.42 |
| Q3 2021 | 3,690 | $558 | $163.56 | $146.02 - $180.77 |
| Q2 2021 | 2,190 | $338 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 1,490 | $222 | $130.58 | $98.76 - $153.37 |
| Q4 2020 | 1,790 | $182 | $86.25 | $66.34 - $103.21 |
| Q3 2020 | 2,290 | $157 | $69.80 | $62.10 - $75.77 |
| Q2 2020 | 2,490 | $186 | $67.48 | $53.23 - $82.32 |
| Q1 2020 | 2,490 | $147 | $74.64 | $44.30 - $88.80 |
| Q4 2019 | 2,490 | $211 | $81.44 | $70.43 - $87.94 |
| Q3 2019 | 2,448 | $204 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 2,397 | $221 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 2,397 | $256 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 2,297 | $223 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 2,274 | $310 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 1,865 | $277 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 1,865 | $354 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 1,865 | $382 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 1,765 | $336 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 1,465 | $244 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 1,330 | $218 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 1,565 | $227 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 1,490 | $216 | $138.59 | $126.84 - $143.96 |
| Q2 2016 | 1,290 | $182 | $158.47 | $126.98 - $174.12 |
| Q1 2016 | 1,590 | $258 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 1,590 | $254 | $166.43 | $137.16 - $184.66 |
| Q3 2015 | 1,590 | $272 | $190.37 | $159.30 - $214.73 |
| Q2 2015 | 1,490 | $326 | $215.27 | $205.22 - $223.28 |
| Q1 2015 | 1,190 | $256 | $204.27 | $185.26 - $214.40 |
| Q4 2014 | 1,090 | $231 | $192.32 | $168.87 - $209.59 |
| Q3 2014 | 1,090 | $218 | $197.54 | $186.21 - $207.58 |
| Q2 2014 | 1,190 | $244 | $187.17 | $171.21 - $199.62 |
| Q1 2014 | 1,090 | $218 | $190.16 | $175.09 - $212.40 |
| Q4 2013 | 390 | $85 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 290 | $53 | $171.93 | $151.62 - $183.39 |
| Q2 2013 | 190 | $31 | $153.14 | $138.12 - $166.12 |