Q1  2018 |
≡ |
Warren Buffett - Berkshire Hathaway |
Add 62.02% |
7,261,387 |
0.45 |
≡ |
Chris Hohn - TCI Fund Management |
Buy |
476,500 |
0.31 |
Q4  2017 |
≡ |
Warren Buffett - Berkshire Hathaway |
Add 31.95% |
2,835,278 |
0.17 |
≡ |
Daniel Loeb - Third Point |
Buy |
200,000 |
0.17 |
Q3  2017 |
≡ |
Warren Buffett - Berkshire Hathaway |
Add 10.34% |
831,685 |
0.06 |
Q1  2017 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Buy |
2,425 |
0.00 |
Q4  2016 |
≡ |
Prem Watsa - Fairfax Financial Holdings |
Buy |
6,200 |
0.06 |
≡ |
Warren Buffett - Berkshire Hathaway |
Buy |
8,041,784 |
0.57 |
≡ |
David Einhorn - Greenlight Capital |
Buy |
410,000 |
0.90 |
Q3  2016 |
≡ |
Daniel Loeb - Third Point |
Add 85.00% |
1,700,000 |
1.51 |
Q2  2016 |
≡ |
Daniel Loeb - Third Point |
Buy |
2,000,000 |
1.99 |
Q1  2016 |
≡ |
Thomas Gayner - Markel Group |
Add 1.20% |
4,700 |
0.01 |
Q4  2015 |
≡ |
Thomas Gayner - Markel Group |
Add 57.43% |
143,000 |
0.38 |
Q3  2015 |
≡ |
Thomas Gayner - Markel Group |
Add 30.37% |
58,000 |
0.13 |
≡ |
Wallace Weitz - Weitz Large Cap Equity Fund |
Add 76.19% |
160,000 |
1.66 |
Q2  2015 |
≡ |
Thomas Gayner - Markel Group |
Add 24.03% |
37,000 |
0.10 |
≡ |
Wallace Weitz - Weitz Large Cap Equity Fund |
Buy |
210,000 |
2.52 |
≡ |
Bill Nygren - Oakmark Select Fund |
Buy |
2,250,000 |
3.98 |
Q1  2015 |
≡ |
Thomas Gayner - Markel Group |
Add 62.11% |
59,000 |
0.17 |
Q4  2014 |
≡ |
Thomas Gayner - Markel Group |
Add 82.69% |
43,000 |
0.14 |
Q3  2014 |
≡ |
Thomas Gayner - Markel Group |
Add 57.58% |
19,000 |
0.06 |
Q2  2014 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Buy |
1,700 |
0.00 |
Q3  2013 |
≡ |
Stephen Mandel - Lone Pine Capital |
Add 50.71% |
3,147,590 |
1.57 |
Q1  2013 |
≡ |
Thomas Gayner - Markel Group |
Add 0.85% |
300 |
0.00 |
≡ |
Stephen Mandel - Lone Pine Capital |
Add 24.34% |
1,304,240 |
0.74 |
Q4  2012 |
≡ |
Kahn Brothers Group |
Add 1.97% |
174 |
0.00 |
≡ |
Thomas Gayner - Markel Group |
Add 13.83% |
4,300 |
0.02 |
Q3  2012 |
≡ |
Thomas Gayner - Markel Group |
Add 19.16% |
5,000 |
0.02 |
Q2  2012 |
≡ |
Stephen Mandel - Lone Pine Capital |
Add 23.82% |
1,550,082 |
0.82 |
≡ |
Thomas Gayner - Markel Group |
Buy |
26,100 |
0.10 |
Q1  2012 |
≡ |
Stephen Mandel - Lone Pine Capital |
Add 9.82% |
582,072 |
0.30 |
Q4  2011 |
≡ |
Stephen Mandel - Lone Pine Capital |
Add 13.53% |
706,048 |
0.38 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 16.48% |
361 |
0.00 |
Q3  2011 |
≡ |
Stephen Mandel - Lone Pine Capital |
Add 2.71% |
137,515 |
0.07 |
Q2  2011 |
≡ |
Meridian Contrarian Fund |
Add 5.29% |
11,200 |
0.10 |
≡ |
Stephen Mandel - Lone Pine Capital |
Add 118.71% |
2,758,530 |
1.55 |
Q1  2011 |
≡ |
Stephen Mandel - Lone Pine Capital |
Buy |
2,323,792 |
1.39 |
Q4  2010 |
≡ |
Meridian Contrarian Fund |
Add 166.54% |
132,400 |
1.04 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Buy |
3,365 |
0.01 |
Q2  2010 |
≡ |
Wallace Weitz - Weitz Large Cap Equity Fund |
Add 200.00% |
300,000 |
1.89 |
≡ |
Bill & Melinda Gates Foundation Trust |
Buy |
500,000 |
0.19 |
≡ |
Meridian Contrarian Fund |
Buy |
94,700 |
0.58 |
Q1  2010 |
≡ |
Wallace Weitz - Weitz Large Cap Equity Fund |
Add 36.36% |
40,000 |
0.37 |
Q4  2009 |
≡ |
Wallace Weitz - Weitz Large Cap Equity Fund |
Buy |
110,000 |
1.22 |
Q3  2009 |
≡ |
Stephen Mandel - Lone Pine Capital |
Add 7.23% |
566,113 |
0.57 |
Q2  2009 |
≡ |
Stephen Mandel - Lone Pine Capital |
Add 79.68% |
3,471,100 |
3.67 |
Q1  2009 |
≡ |
Stephen Mandel - Lone Pine Capital |
Add 2.98% |
126,005 |
0.17 |
Q4  2008 |
≡ |
Stephen Mandel - Lone Pine Capital |
Buy |
4,230,159 |
5.11 |