Affiliated Managers Group (AMG) Stock Chart & Stock Price History $226.80 -0.99 (-0.44%) Closing price 03:59 PM EasternExtended Trading$227.38 +0.58 (+0.25%) As of 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Affiliated Managers Group Stock Price Performance The Affiliated Managers Group (AMG) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 32.41%, with a year-to-date return of 22.65%. In the past month, the stock has increased 6.79%, reflecting recent market activity. As of the latest close, Affiliated Managers Group traded at $227.99 with a market cap of $6.48 billion and volume of 189,589 shares. Five years ago, the stock traded at $70.60, representing a 221.25% increase over that period. At the time, it had a market cap of $3.29 billion and a volume of 246,121 shares. Receive AMG Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Affiliated Managers Group and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. 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Read our full terms of service and privacy policy. 5 Day Performance+1.00%1 Month Performance+6.79%3 Month Performance+30.39%Year-To-Date Performance+22.65%1 Year Performance+32.41%5 Year Performance+221.25% AMG Stock Chart for Thursday, August, 28, 2025 AMG Chart by TradingView Affiliated Managers Group Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization08/28/2025$227.99$226.80-0.52%$228.68$225.30174,343 shs$6.44 billion08/27/2025$226.83$227.99+0.51%$229.40$224.76189,589 shs$6.48 billion08/26/2025$224.50$226.83+1.04%$226.85$224.06190,029 shs$6.44 billion08/25/2025$224.55$224.50-0.02%$226.18$223.66146,651 shs$6.38 billion08/22/2025$217.82$224.55+3.09%$225.98$218.22217,039 shs$6.38 billion08/21/2025$216.96$217.82+0.40%$219.09$215.6092,748 shs$6.19 billion08/20/2025$217.50$216.96-0.25%$218.86$215.00145,704 shs$6.16 billion08/19/2025$219.19$217.50-0.77%$220.31$216.42201,196 shs$6.18 billion08/18/2025$218.69$219.19+0.23%$219.79$215.85258,850 shs$6.23 billion08/15/2025$223.12$218.69-1.98%$222.94$218.30129,889 shs$6.21 billion Get the Latest News and Ratings for AMG and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Affiliated Managers Group and its competitors with MarketBeat's FREE daily newsletter. 08/14/2025$223.56$223.12-0.20%$224.30$220.01136,838 shs$6.34 billion08/13/2025$219.41$223.56+1.89%$223.97$218.69221,201 shs$6.35 billion08/12/2025$214.06$219.41+2.50%$219.89$215.56151,910 shs$6.24 billion08/11/2025$211.58$214.06+1.17%$214.68$211.71110,410 shs$6.09 billion08/08/2025$209.30$211.58+1.09%$214.33$210.87102,738 shs$6.01 billion08/07/2025$213.60$209.30-2.02%$216.78$208.34183,273 shs$5.95 billion08/06/2025$213.11$213.60+0.23%$214.69$211.53148,709 shs$6.07 billion08/05/2025$214.07$213.11-0.45%$214.15$208.22132,018 shs$6.06 billion08/04/2025$206.83$214.07+3.50%$217.12$209.51235,342 shs$6.09 billion08/01/2025$209.87$206.83-1.45%$207.57$200.00197,074 shs$5.88 billion07/31/2025$209.98$209.87-0.05%$220.00$208.38281,836 shs$5.97 billion07/30/2025$211.30$209.98-0.63%$212.87$208.67127,347 shs$5.97 billion07/29/2025$212.37$211.30-0.50%$214.46$210.04115,460 shs$6.01 billion07/28/2025$216.06$212.37-1.71%$216.32$211.79168,554 shs$6.04 billion Related Companies SEI Investments Stock Chart Ameriprise Financial Stock Chart Artisan Partners Asset Management Stock Chart Franklin Resources Stock Chart BlackRock Stock Chart Evercore Stock Chart Invesco Stock Chart Janus Henderson Group Stock Chart Stifel Financial Stock Chart Northern Trust Stock Chart Receive AMG Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Affiliated Managers Group and its competitors with MarketBeat's FREE daily newsletter. 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