Ticker: AMG CUSIP: 008252108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,023 | $295 | $258.45 | $230.09 - $299.69 |
| Q3 2025 | 1,023 | $244 | $220.39 | $194.74 - $250.14 |
| Q2 2025 | 1,023 | $201 | $173.47 | $139.20 - $199.47 |
| Q1 2022 | 1,692 | $238 | $143.53 | $121.29 - $171.22 |
| Q4 2021 | 1,692 | $278 | $167.52 | $146.96 - $191.42 |
| Q3 2021 | 1,666 | $252 | $163.56 | $146.02 - $180.77 |
| Q2 2021 | 1,661 | $256 | $159.33 | $147.97 - $176.63 |
| Q1 2021 | 1,661 | $248 | $130.58 | $98.76 - $153.37 |
| Q4 2019 | 2,385 | $202 | $81.44 | $70.43 - $87.94 |
| Q3 2019 | 4,875 | $406 | $82.65 | $73.22 - $92.84 |
| Q2 2019 | 5,002 | $461 | $96.65 | $82.01 - $113.84 |
| Q1 2019 | 5,117 | $548 | $104.33 | $93.26 - $110.96 |
| Q4 2018 | 4,939 | $481 | $110.59 | $86.74 - $136.36 |
| Q3 2018 | 5,045 | $690 | $144.30 | $133.37 - $159.64 |
| Q2 2018 | 5,094 | $757 | $160.74 | $145.08 - $182.71 |
| Q1 2018 | 5,039 | $955 | $189.64 | $169.45 - $211.08 |
| Q4 2017 | 5,315 | $1,091 | $188.42 | $173.99 - $202.01 |
| Q3 2017 | 5,301 | $1,006 | $172.79 | $161.15 - $186.54 |
| Q2 2017 | 5,122 | $850 | $154.87 | $144.44 - $164.19 |
| Q1 2017 | 5,069 | $831 | $153.31 | $135.07 - $166.39 |
| Q4 2016 | 5,114 | $743 | $140.58 | $126.32 - $157.66 |
| Q3 2016 | 4,977 | $720 | $138.59 | $126.84 - $143.96 |
| Q2 2016 | 5,401 | $760 | $158.47 | $126.98 - $174.12 |
| Q1 2016 | 5,324 | $865 | $135.06 | $112.27 - $159.84 |
| Q4 2015 | 5,082 | $812 | $166.43 | $137.16 - $184.66 |
| Q3 2015 | 5,401 | $924 | $190.37 | $159.30 - $214.73 |
| Q2 2015 | 5,339 | $1,167 | $215.27 | $205.22 - $223.28 |
| Q1 2015 | 4,900 | $1,052 | $204.27 | $185.26 - $214.40 |
| Q4 2014 | 4,875 | $1,035 | $192.32 | $168.87 - $209.59 |
| Q3 2014 | 6,026 | $1,207 | $197.54 | $186.21 - $207.58 |
| Q1 2014 | 2,174 | $435 | $190.16 | $175.09 - $212.40 |
| Q4 2013 | 1,426 | $309 | $193.15 | $175.92 - $210.55 |
| Q3 2013 | 1,412 | $258 | $171.93 | $151.62 - $183.39 |
| Q2 2013 | 1,418 | $232 | $153.14 | $138.12 - $166.12 |