Affiliated Managers Group Inc.
AMG | NYSE
$356.08
-$8.58 (-2.35%)
Sep 22, 2026, 10:47 AM ET · Market open
Market Cap History History
Annual Market Cap Change Annual Change
| Date | Market Cap | Change | % Change |
|---|---|---|---|
| Sep 20, 2026 | $9.63B | $1.13B | +13.30% |
| Dec 25, 2025 | $8.5B | $2.85B | +50.45% |
| Dec 26, 2024 | $5.65B | $363.41M | +6.88% |
| Dec 28, 2023 | $5.28B | -$767.47M | -12.68% |
| Dec 29, 2022 | $6.05B | -$627.08M | -9.39% |
| Dec 30, 2021 | $6.68B | $1.85B | +38.26% |
| Dec 30, 2020 | $4.83B | $549.27M | +12.83% |
| Dec 26, 2019 | $4.28B | -$816.65M | -16.02% |
| Dec 27, 2018 | $5.1B | -$6.35B | -55.49% |
| Dec 28, 2017 | $11.45B | $3.62B | +46.24% |
| Dec 29, 2016 | $7.83B | -$779.39M | -9.05% |
| Dec 30, 2015 | $8.61B | -$3.27B | -27.55% |
| Dec 25, 2014 | $11.89B | $453.44M | +3.97% |
| Dec 26, 2013 | $11.43B | $4.83B | +73.10% |
| Dec 27, 2012 | $6.6B | $1.62B | +32.62% |
| Dec 29, 2011 | $4.98B | $273.91M | +5.82% |
| Dec 30, 2010 | $4.71B | $1.92B | +68.83% |
| Dec 30, 2009 | $2.79B | $1.32B | +89.89% |
| Dec 25, 2008 | $1.47B | -$1.98B | -57.43% |
| Dec 27, 2007 | $3.45B | $255.55M | +8.00% |
| Dec 28, 2006 | $3.19B | n/a | n/a |
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