Thomas Gayner - Markel Asset Management
Holding/activity history for Northern Trust Corp. (NTRS)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
| 2014 Q3 | 0 | 0 | Sell 100.00% | 0.26 | |
| 2014 Q2 | 140,000 | 0.26 | $64.21 | ||
| 2014 Q1 | 140,000 | 0.28 | $65.56 | ||
| 2013 Q4 | 140,000 | 0.27 | $61.89 | ||
| 2013 Q3 | 140,000 | 0.26 | $54.38 | ||
| 2013 Q2 | 140,000 | 0.29 | $57.90 | ||
| 2013 Q1 | 140,000 | 0.28 | $54.56 | ||
| 2012 Q4 | 140,000 | 0.29 | $50.16 | ||
| 2012 Q3 | 140,000 | 0.28 | $46.41 | ||
| 2012 Q2 | 140,000 | 0.29 | $46.02 | ||
| 2012 Q1 | 140,000 | 0.31 | $47.45 | ||
| 2011 Q4 | 140,000 | 0.29 | $39.66 | ||
| 2011 Q3 | 140,000 | 0.30 | $34.98 | ||
| 2011 Q2 | 140,000 | 0.34 | $45.96 | ||
| 2011 Q1 | 140,000 | 0.38 | $50.75 | ||
| 2010 Q4 | 140,000 | 0.43 | $55.41 | ||
| 2010 Q3 | 140,000 | 0.41 | $48.24 | ||
| 2010 Q2 | 140,000 | 0.45 | $46.70 | ||
| 2010 Q1 | 140,000 | 0.48 | $55.26 | ||
| 2009 Q4 | 140,000 | 0.52 | $52.40 | ||
| 2009 Q3 | 140,000 | 0.61 | $58.16 | ||
| 2009 Q2 | 140,000 | 0.68 | $53.68 | ||
| 2009 Q1 | 140,000 | 0.84 | $59.82 | ||
| 2008 Q4 | 140,000 | 0.65 | $52.14 | ||
| 2008 Q3 | 140,000 | 0.66 | $72.20 | ||
| 2008 Q2 | 140,000 | 0.63 | $68.56 | ||
| 2008 Q1 | 140,000 | 0.51 | $66.46 | ||
| 2007 Q4 | 140,000 | 0.55 | Add 7.69% | 0.04 | $76.59 |
| 2007 Q3 | 130,000 | 0.44 | $66.27 | ||
| 2007 Q2 | 130,000 | 0.43 | Add 18.18% | 0.07 | $64.24 |
| 2007 Q1 | 110,000 | 0.35 | $60.14 | ||
| 2006 Q4 | 110,000 | 0.35 | $60.69 |