Q4  2018 |
≡ |
Francois Rochon - Giverny Capital |
Reduce 0.56% |
4,518 |
0.12 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 2.61% |
66,488 |
0.11 |
≡ |
Harry Burn - Sound Shore |
Add 1.75% |
5,700 |
0.07 |
≡ |
Thomas Gayner - Markel Group |
Add 0.11% |
1,650 |
0.01 |
≡ |
Torray Funds |
Add 0.19% |
137 |
0.00 |
≡ |
Chuck Akre - Akre Capital Management |
Reduce 0.01% |
30 |
0.00 |
Q3  2018 |
≡ |
Bill & Melinda Gates Foundation Trust |
Add 15.88% |
8,509,002 |
7.06 |
≡ |
Wallace Weitz - Weitz Large Cap Equity Fund |
Reduce 16.67% |
60,000 |
1.74 |
≡ |
Francois Rochon - Giverny Capital |
Add 6.71% |
51,106 |
1.24 |
≡ |
David Rolfe - Wedgewood Partners |
Reduce 9.42% |
85,844 |
0.92 |
≡ |
Bruce Berkowitz - Fairholme Capital |
Buy |
9,600 |
0.34 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 0.95% |
24,097 |
0.04 |
≡ |
Ruane Cunniff - Sequoia Fund |
Reduce 1.86% |
5,978 |
0.03 |
≡ |
Thomas Gayner - Markel Group |
Add 0.14% |
2,065 |
0.01 |
≡ |
Chuck Akre - Akre Capital Management |
Reduce 0.17% |
500 |
0.00 |
Q2  2018 |
≡ |
Bill & Melinda Gates Foundation Trust |
Reduce 8.54% |
5,000,000 |
4.22 |
≡ |
Ruane Cunniff - Sequoia Fund |
Add 253.74% |
230,000 |
1.05 |
≡ |
David Rolfe - Wedgewood Partners |
Reduce 9.66% |
97,470 |
0.92 |
≡ |
Francois Rochon - Giverny Capital |
Add 2.95% |
21,802 |
0.53 |
≡ |
Harry Burn - Sound Shore |
Add 4.08% |
12,750 |
0.12 |
≡ |
Prem Watsa - Fairfax Financial Holdings |
Sell 100.00% |
6,000 |
0.09 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 0.88% |
22,428 |
0.03 |
≡ |
Thomas Gayner - Markel Group |
Add 0.15% |
2,330 |
0.01 |
≡ |
Chuck Akre - Akre Capital Management |
Reduce 0.40% |
1,137 |
0.00 |
Q1  2018 |
≡ |
Bill & Melinda Gates Foundation Trust |
Reduce 7.87% |
5,000,000 |
4.08 |
≡ |
Ruane Cunniff - Sequoia Fund |
Reduce 83.65% |
463,811 |
2.35 |
≡ |
David Rolfe - Wedgewood Partners |
Reduce 11.93% |
136,637 |
1.25 |
≡ |
Francois Rochon - Giverny Capital |
Add 3.27% |
23,412 |
0.63 |
≡ |
Harry Burn - Sound Shore |
Add 4.03% |
12,100 |
0.12 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 2.00% |
50,081 |
0.07 |
≡ |
Prem Watsa - Fairfax Financial Holdings |
Reduce 25.00% |
2,000 |
0.03 |
≡ |
Thomas Gayner - Markel Group |
Add 0.07% |
1,095 |
0.00 |
≡ |
Chuck Akre - Akre Capital Management |
Reduce 0.15% |
424 |
0.00 |
Q4  2017 |
≡ |
Bill & Melinda Gates Foundation Trust |
Reduce 7.29% |
5,000,000 |
3.74 |
≡ |
David Rolfe - Wedgewood Partners |
Reduce 21.56% |
314,826 |
2.53 |
≡ |
Tweedy Browne Co. - Tweedy Browne Value Fund |
Sell 100.00% |
30,626 |
1.05 |
≡ |
Harry Burn - Sound Shore |
Reduce 9.52% |
31,600 |
0.30 |
≡ |
Ruane Cunniff - Sequoia Fund |
Add 3.57% |
19,100 |
0.09 |
≡ |
Prem Watsa - Fairfax Financial Holdings |
Reduce 42.86% |
6,000 |
0.08 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 0.73% |
18,347 |
0.03 |
≡ |
Chuck Akre - Akre Capital Management |
Add 0.26% |
734 |
0.00 |
Q3  2017 |
≡ |
Bill & Melinda Gates Foundation Trust |
Add 15.53% |
9,220,001 |
6.56 |
≡ |
David Rolfe - Wedgewood Partners |
Reduce 16.43% |
287,147 |
1.80 |
≡ |
Chuck Akre - Akre Capital Management |
Reduce 26.49% |
103,571 |
0.28 |
≡ |
Ruane Cunniff - Sequoia Fund |
Reduce 7.69% |
44,600 |
0.22 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 0.34% |
8,624 |
0.01 |
Q2  2017 |
≡ |
Bill & Melinda Gates Foundation Trust |
Reduce 7.77% |
5,000,000 |
3.67 |
≡ |
David Rolfe - Wedgewood Partners |
Reduce 20.00% |
436,936 |
2.27 |
≡ |
Ruane Cunniff - Sequoia Fund |
Reduce 40.07% |
387,800 |
1.73 |
≡ |
Chuck Akre - Akre Capital Management |
Add 1.75% |
6,725 |
0.02 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 0.42% |
10,517 |
0.01 |
Q1  2017 |
≡ |
Bill & Melinda Gates Foundation Trust |
Reduce 7.21% |
5,000,000 |
4.42 |
≡ |
Ruane Cunniff - Sequoia Fund |
Reduce 48.47% |
910,400 |
4.03 |
≡ |
David Rolfe - Wedgewood Partners |
Reduce 12.30% |
306,367 |
1.32 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 2.45% |
62,831 |
0.08 |
≡ |
Prem Watsa - Fairfax Financial Holdings |
Reduce 12.50% |
2,000 |
0.03 |
≡ |
Chuck Akre - Akre Capital Management |
Add 0.09% |
360 |
0.00 |
Q4  2016 |
≡ |
Bill & Melinda Gates Foundation Trust |
Reduce 6.72% |
5,000,000 |
4.28 |
≡ |
David Rolfe - Wedgewood Partners |
Reduce 19.37% |
598,403 |
2.38 |
≡ |
Mohnish Pabrai - Pabrai Investments |
Sell 100.00% |
47,400 |
2.03 |
≡ |
Ruane Cunniff - Sequoia Fund |
Reduce 17.78% |
406,046 |
1.84 |
≡ |
Wallace Weitz - Weitz Large Cap Equity Fund |
Reduce 7.69% |
30,000 |
0.72 |
≡ |
Prem Watsa - Fairfax Financial Holdings |
Reduce 17.95% |
3,500 |
0.05 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 1.14% |
29,469 |
0.04 |
≡ |
Chuck Akre - Akre Capital Management |
Reduce 0.40% |
1,525 |
0.00 |
Q3  2016 |
≡ |
Bill & Melinda Gates Foundation Trust |
Add 15.48% |
9,968,423 |
7.80 |
≡ |
Mohnish Pabrai - Pabrai Investments |
Reduce 34.62% |
25,100 |
1.07 |
≡ |
David Rolfe - Wedgewood Partners |
Reduce 8.52% |
287,829 |
0.87 |
≡ |
Wallace Weitz - Weitz Large Cap Equity Fund |
Reduce 6.02% |
25,000 |
0.51 |
≡ |
Ruane Cunniff - Sequoia Fund |
Reduce 5.31% |
128,100 |
0.45 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 0.27% |
6,992 |
0.01 |
≡ |
Chuck Akre - Akre Capital Management |
Reduce 0.07% |
265 |
0.00 |
Q2  2016 |
≡ |
Bill & Melinda Gates Foundation Trust |
Reduce 7.21% |
5,000,000 |
4.30 |
≡ |
David Rolfe - Wedgewood Partners |
Reduce 10.24% |
385,377 |
1.13 |
≡ |
Ruane Cunniff - Sequoia Fund |
Add 3.05% |
71,500 |
0.25 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 0.24% |
6,095 |
0.01 |
≡ |
Mohnish Pabrai - Pabrai Investments |
Reduce 0.01% |
6 |
0.00 |
≡ |
Chuck Akre - Akre Capital Management |
Reduce 0.28% |
1,066 |
0.00 |
Q1  2016 |
≡ |
Bill & Melinda Gates Foundation Trust |
Reduce 6.72% |
5,000,000 |
4.13 |
≡ |
Harry Burn - Sound Shore |
Buy |
331,800 |
2.58 |
≡ |
David Rolfe - Wedgewood Partners |
Reduce 10.27% |
430,495 |
1.11 |
≡ |
Wallace Weitz - Weitz Large Cap Equity Fund |
Add 10.67% |
40,000 |
0.75 |
≡ |
Bruce Berkowitz - Fairholme Capital |
Sell 100.00% |
135,242 |
0.73 |
≡ |
Mohnish Pabrai - Pabrai Investments |
Reduce 16.67% |
14,500 |
0.60 |
≡ |
Ruane Cunniff - Sequoia Fund |
Reduce 6.73% |
168,977 |
0.52 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 0.40% |
10,347 |
0.01 |
≡ |
Prem Watsa - Fairfax Financial Holdings |
Reduce 4.88% |
1,000 |
0.01 |
≡ |
Chuck Akre - Akre Capital Management |
Add 0.18% |
702 |
0.00 |
Q4  2015 |
≡ |
Bill & Melinda Gates Foundation Trust |
Reduce 6.30% |
5,000,000 |
3.96 |
≡ |
Mohnish Pabrai - Pabrai Investments |
Buy |
87,006 |
3.03 |
≡ |
David Rolfe - Wedgewood Partners |
Reduce 10.20% |
476,286 |
1.08 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 2.72% |
68,215 |
0.08 |
≡ |
Chuck Akre - Akre Capital Management |
Reduce 6.07% |
24,964 |
0.07 |
≡ |
Bruce Berkowitz - Fairholme Capital |
Reduce 6.01% |
8,650 |
0.05 |
≡ |
Prem Watsa - Fairfax Financial Holdings |
Reduce 4.65% |
1,000 |
0.01 |
Q3  2015 |
≡ |
Bill & Melinda Gates Foundation Trust |
Add 15.67% |
10,756,234 |
8.14 |
≡ |
David Rolfe - Wedgewood Partners |
Add 7.72% |
334,720 |
0.64 |
≡ |
Bruce Berkowitz - Fairholme Capital |
Buy |
143,892 |
0.54 |
≡ |
Chuck Akre - Akre Capital Management |
Add 30.72% |
96,589 |
0.30 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 1.60% |
39,506 |
0.05 |