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Affiliated Managers Group 4.750% Junior Subordinated Notes Due 2060 trades on the stock market under the symbol MGRB.
As of September 18, 2026, MGRB stock price climbed to $16.15 with 16,821 million shares trading.
MGRB has a beta of 0.40, meaning it tends to be less sensitive to market movements. MGRB has a correlation of 0.23 to the broad based SPY ETF.
MGRB has a market cap of $0.00. This is considered a Sub-Micro Cap stock.
In the last 3 years, MGRB traded as high as $21.00 and as low as $15.81.
MGRB has underperformed the market in the last year with a return of -8.2%, while the SPY ETF gained +16.8%. In the last 3 month period, MGRB fell short of the market, returning -2.4%, while SPY returned +2.3%. However, in the most recent 2 weeks MGRB has outperformed the stock market by returning -0.6%, while SPY returned -0.9%.
MGRB support price is $15.98 and resistance is $16.26 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that MGRB shares will trade within this expected range on the day.
