Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 4,938 | $1 | $258.45 | $230.09 - $299.69 |
| Q3 2025 | 5,990 | $1 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 6,486 | $1 | $173.47 | $139.20 - $199.47 |
| Q1 2025 | 6,723 | $1 | $174.30 | $151.61 - $191.09 |
| Q4 2024 | 7,177 | $1 | $186.57 | $173.54 - $199.47 |
| Q3 2024 | 7,322 | $1 | $169.81 | $152.32 - $189.75 |
| Q2 2024 | 2,720 | $0 | $159.16 | $147.08 - $169.59 |
| Q1 2024 | 2,500 | $0 | $155.40 | $145.30 - $167.84 |
| Q4 2023 | 2,452 | $0 | $134.30 | $120.16 - $156.31 |
| Q3 2023 | 2,613 | $0 | $139.81 | $129.01 - $163.83 |
| Q2 2023 | 2,433 | $0 | $143.06 | $135.39 - $151.92 |
| Q1 2023 | 2,452 | $0 | $157.88 | $132.31 - $180.50 |
| Q4 2022 | 2,487 | $0 | $141.36 | $108.04 - $163.24 |
| Q3 2022 | 2,457 | $275 | $125.39 | $109.48 - $141.92 |
| Q2 2022 | 2,284 | $266 | $128.58 | $112.28 - $146.71 |
| Q1 2022 | 1,909 | $269 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 1,028 | $169 | $167.52 | $146.96 - $191.42 |
| Q2 2021 | 183 | $28 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 183 | $28 | $130.58 | $98.76 - $153.37 |
| Q4 2020 | 183 | $28 | $86.25 | $66.34 - $103.21 |
| Q3 2020 | 183 | $28 | $69.80 | $62.10 - $75.77 |
| Q2 2020 | 183 | $28 | $67.48 | $53.23 - $82.32 |
| Q1 2020 | 183 | $28 | $74.64 | $44.30 - $88.80 |
| Q4 2019 | 183 | $28 | $81.44 | $70.43 - $87.94 |
| Q3 2019 | 183 | $28 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 183 | $28 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 183 | $28 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 46 | $4 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 195 | $27 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 190 | $28 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 143 | $27 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 125 | $26 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 145 | $28 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 20 | $3 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 20 | $3 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 133 | $19 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 84 | $12 | $138.59 | $126.84 - $143.96 |
| Q1 2016 | 107 | $17 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 1,074 | $172 | $166.43 | $137.16 - $184.66 |
| Q4 2013 | 42 | $9 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 45 | $8 | $171.93 | $151.62 - $183.39 |