Thomas Gayner - Markel Asset Management

Holding/activity history for  3M Co. (MMM)

PeriodShares% of PortfolioActivity% Change to PortfolioReported Price
2016   Q3 204,000 0.93 $176.23
2016   Q2 204,000 0.94 $175.12
2016   Q1 204,000 0.91 $166.63
2015   Q4 204,000 0.83 $150.64
2015   Q3 204,000 0.76 $141.77
2015   Q2 204,000 0.79 $154.30
2015   Q1 204,000 0.85 $164.95
2014   Q4 204,000 0.88 $164.32
2014   Q3 204,000 0.82 $141.68
2014   Q2 204,000 0.83 $143.24
2014   Q1 204,000 0.85 Reduce 0.83% 0.01 $135.66
2013   Q4 205,700 0.91 $140.25
2013   Q3 205,700 0.84 Reduce 0.05% 0.00 $119.41
2013   Q2 205,800 0.80 $109.35
2013   Q1 205,800 0.81 Add 1.50% 0.01 $106.31
2012   Q4 202,750 0.78 Reduce 0.17% 0.00 $92.85
2012   Q3 203,100 0.80 Reduce 0.10% 0.00 $92.42
2012   Q2 203,300 0.83 Reduce 0.25% 0.00 $89.60
2012   Q1 203,800 0.84 Add 8.93% 0.07 $89.21
2011   Q4 187,100 0.81 Add 18.57% 0.13 $81.73
2011   Q3 157,800 0.69 $71.79
2011   Q2 157,800 0.79 $94.85
2011   Q1 157,800 0.80 Add 1.94% 0.02 $93.50
2010   Q4 154,800 0.75 Add 3.48% 0.03 $86.30
2010   Q3 149,600 0.78 Add 11.64% 0.08 $86.71
2010   Q2 134,000 0.72 Add 7.54% 0.05 $78.99
2010   Q1 124,600 0.64 Add 44.21% 0.20 $83.57
2009   Q4 86,400 0.51 $82.67
2009   Q3 86,400 0.48 Add 6.14% 0.03 $73.80
2009   Q2 81,400 0.44 Add 13.53% 0.05 $60.10
2009   Q1 71,700 0.36 Add 0.42% 0.00 $49.72
2008   Q4 71,400 0.36 $57.54
2008   Q3 71,400 0.32 $68.32
2008   Q2 71,400 0.33 $69.58
2008   Q1 71,400 0.31 Add 1.56% 0.00 $79.15
2007   Q4 70,300 0.30 $84.31
2007   Q3 70,300 0.33 Add 16.39% 0.05 $93.58
2007   Q2 60,400 0.27 Add 498.02% 0.22 $86.79
2007   Q1 10,100 0.04 Buy 0.04 $76.44