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  • IMMUNOGEN INC Average Monthly Returns

Some investors consider seasonal performance when purchasing or selling stocks. This chart illustrates the average monthly return for the past 5 years. Users often also consider the number of times a stock increases or decreases for any given month. Mouse-over the chart to view 5 years of history for each month.

  • Seasonality Performance Chart: IMGN

  • Seasonal Performance Data: IMGN

    Returns Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Avg.

    Returns %    		 -13.91 -3.19 15.75 -1.68 14.10 -10.02 11.67 1.45 3.72 -6.10 13.31 -0.74
    #Times IMGN Stock Price Increased 41 44 47 48 54 53 56 54 52 48 54 42
    #Times IMGN Stock Price Unchanged 4 4 4 6 2 2 1 2 5 4 4 5
    #Times IMGN Stock Price Decreased 56 48 58 49 50 53 48 55 45 59 45 58
    2009 % -2.79 -2.63 74.88 -2.10 19.28 3.98 0.81 -16.10 11.25 -17.50 — —
    2008 % -16.13 -14.65 20.54 -10.05 39.86 -32.04 50.33 16.96 -8.73 -5.69 -17.48 12.30
    2007 % -7.68 2.99 -0.61 13.15 3.87 -1.41 -14.04 -6.28 4.03 4.09 -0.82 -13.53
    2006 % -21.82 13.97 -5.02 -5.98 -10.53 -17.80 0.33 21.93 -3.53 12.71 37.59 -7.64
    2005 % -21.14 -15.63 -11.04 -3.43 18.02 -2.84 20.90 -9.28 15.59 -24.10 0.00 -7.89
    2004 % — — — — — — — — — — 47.27 13.04