Q3  2015 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 1.76% |
2,880 |
0.00 |
≡ |
Charles Bobrinskoy - Ariel Focus Fund |
Reduce 12.77% |
3,600 |
0.62 |
Q2  2015 |
≡ |
Thomas Gayner - Markel Group |
Add 2.19% |
19,000 |
0.04 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 0.51% |
839 |
0.00 |
≡ |
Richard Pzena - Hancock Classic Value |
Reduce 4.57% |
40,775 |
0.16 |
≡ |
Charles Bobrinskoy - Ariel Focus Fund |
Reduce 5.05% |
1,500 |
0.21 |
≡ |
Robert Olstein - Olstein Capital Management |
Reduce 16.67% |
9,000 |
0.10 |
Q1  2015 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 1.41% |
2,291 |
0.00 |
≡ |
Robert Olstein - Olstein Capital Management |
Reduce 14.29% |
9,000 |
0.10 |
Q4  2014 |
≡ |
Robert Olstein - Olstein Capital Management |
Add 103.23% |
32,000 |
0.43 |
≡ |
Hillman Value Fund |
Add 100.00% |
6,600 |
1.91 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 0.99% |
1,588 |
0.00 |
≡ |
Warren Buffett - Berkshire Hathaway |
Sell 100.00% |
41,129,643 |
3.57 |
≡ |
Bill & Melinda Gates Foundation Trust |
Sell 100.00% |
8,143,858 |
3.53 |
Q3  2014 |
≡ |
Charles Bobrinskoy - Ariel Focus Fund |
Add 7.22% |
2,000 |
0.29 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 4.06% |
6,260 |
0.01 |
Q2  2014 |
≡ |
Richard Pzena - Hancock Classic Value |
Add 27.01% |
189,725 |
0.68 |
≡ |
Kahn Brothers Group |
Reduce 2.90% |
528 |
0.01 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 14.42% |
25,985 |
0.02 |
≡ |
Robert Olstein - Olstein Capital Management |
Reduce 39.22% |
20,000 |
0.32 |
≡ |
Chuck Akre - Akre Capital Management |
Sell 100.00% |
4,446 |
0.01 |
Q1  2014 |
≡ |
Charles Bobrinskoy - Ariel Focus Fund |
Add 35.12% |
7,200 |
1.16 |
≡ |
Kahn Brothers Group |
Add 1.55% |
278 |
0.00 |
≡ |
Chuck Akre - Akre Capital Management |
Buy |
4,446 |
0.01 |
≡ |
Thomas Gayner - Markel Group |
Reduce 0.97% |
8,466 |
0.03 |
≡ |
Richard Pzena - Hancock Classic Value |
Reduce 3.29% |
23,882 |
0.08 |
≡ |
Robert Olstein - Olstein Capital Management |
Reduce 8.93% |
5,000 |
0.08 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 14.59% |
30,767 |
0.03 |
Q4  2013 |
≡ |
Richard Pzena - Hancock Classic Value |
Add 9.83% |
65,000 |
0.24 |
≡ |
Bill & Melinda Gates Foundation Trust |
Add 6.54% |
500,000 |
0.25 |
≡ |
Warren Buffett - Berkshire Hathaway |
Add 2.59% |
1,040,272 |
0.10 |
≡ |
Thomas Gayner - Markel Group |
Add 2.37% |
20,281 |
0.06 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 0.62% |
1,306 |
0.00 |
≡ |
Robert Olstein - Olstein Capital Management |
Reduce 13.85% |
9,000 |
0.15 |
Q3  2013 |
≡ |
Warren Buffett - Berkshire Hathaway |
Add 28.31% |
8,845,261 |
0.83 |
≡ |
Richard Pzena - Hancock Classic Value |
Add 11.90% |
70,325 |
0.26 |
≡ |
Thomas Gayner - Markel Group |
Add 1.34% |
11,302 |
0.03 |
≡ |
Robert Olstein - Olstein Capital Management |
Reduce 2.99% |
2,000 |
0.03 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 6.53% |
14,837 |
0.01 |
Q2  2013 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 40.89% |
65,900 |
0.07 |
≡ |
Thomas Gayner - Markel Group |
Add 2.89% |
23,785 |
0.08 |
≡ |
Warren Buffett - Berkshire Hathaway |
Buy |
31,244,110 |
3.07 |
Q1  2013 |
≡ |
Richard Pzena - Hancock Classic Value |
Add 55.33% |
210,550 |
0.89 |
≡ |
Thomas Gayner - Markel Group |
Reduce 0.03% |
215 |
0.00 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 3.07% |
5,110 |
0.01 |
≡ |
Robert Olstein - Olstein Capital Management |
Reduce 5.63% |
4,000 |
0.07 |
Q4  2012 |
≡ |
Thomas Gayner - Markel Group |
Reduce 0.43% |
3,549 |
0.01 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 3.63% |
6,269 |
0.01 |
≡ |
Robert Olstein - Olstein Capital Management |
Reduce 11.25% |
9,000 |
0.16 |
≡ |
Charles Bobrinskoy - Ariel Focus Fund |
Reduce 11.26% |
2,600 |
0.54 |
Q3  2012 |
≡ |
Thomas Gayner - Markel Group |
Reduce 0.24% |
1,999 |
0.01 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 0.99% |
1,734 |
0.00 |
≡ |
Charles Bobrinskoy - Ariel Focus Fund |
Reduce 4.94% |
1,200 |
0.25 |
≡ |
Robert Olstein - Olstein Capital Management |
Reduce 18.37% |
18,000 |
0.32 |
Q2  2012 |
≡ |
Thomas Gayner - Markel Group |
Add 1.62% |
13,202 |
0.05 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 1.65% |
2,932 |
0.00 |
≡ |
Kahn Brothers Group |
Reduce 1.91% |
350 |
0.01 |
≡ |
Richard Pzena - Hancock Classic Value |
Reduce 40.84% |
262,725 |
1.46 |
≡ |
Chuck Akre - Akre Capital Management |
Sell 100.00% |
2,528 |
0.02 |
Q1  2012 |
≡ |
Thomas Gayner - Markel Group |
Add 0.38% |
3,057 |
0.01 |
≡ |
Richard Pzena - Hancock Classic Value |
Reduce 3.13% |
20,800 |
0.11 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 6.64% |
12,604 |
0.02 |
≡ |
Hillman Value Fund |
Reduce 8.33% |
600 |
0.41 |
≡ |
Charles Bobrinskoy - Ariel Focus Fund |
Reduce 11.96% |
3,300 |
0.62 |
Q4  2011 |
≡ |
Thomas Gayner - Markel Group |
Add 7.12% |
53,926 |
0.24 |
≡ |
Chuck Akre - Akre Capital Management |
Buy |
2,528 |
0.03 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 0.90% |
1,728 |
0.00 |
≡ |
Richard Pzena - Hancock Classic Value |
Reduce 7.13% |
51,000 |
0.28 |
≡ |
Charles Bobrinskoy - Ariel Focus Fund |
Reduce 8.61% |
2,600 |
0.52 |
≡ |
Hillman Value Fund |
Reduce 11.11% |
900 |
0.67 |
≡ |
Robert Olstein - Olstein Capital Management |
Reduce 13.27% |
15,000 |
0.25 |
≡ |
Warren Buffett - Berkshire Hathaway |
Sell 100.00% |
421,800 |
0.05 |
Q3  2011 |
≡ |
Thomas Gayner - Markel Group |
Add 4.63% |
33,502 |
0.15 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 1.98% |
3,874 |
0.01 |
≡ |
Hillman Value Fund |
Reduce 13.83% |
1,300 |
0.87 |
≡ |
Richard Pzena - Hancock Classic Value |
Reduce 30.59% |
315,175 |
1.70 |
≡ |
Chuck Akre - Akre Capital Management |
Sell 100.00% |
2,528 |
0.04 |
Q2  2011 |
≡ |
Robert Olstein - Olstein Capital Management |
Add 2.73% |
3,000 |
0.04 |
≡ |
Thomas Gayner - Markel Group |
Reduce 0.06% |
399 |
0.00 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 0.13% |
249 |
0.00 |
≡ |
Richard Pzena - Hancock Classic Value |
Reduce 21.39% |
280,250 |
1.16 |
≡ |
Charles Bobrinskoy - Ariel Focus Fund |
Reduce 26.16% |
10,700 |
1.76 |
Q1  2011 |
≡ |
Thomas Gayner - Markel Group |
Add 4.14% |
28,801 |
0.13 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Add 1.00% |
1,942 |
0.00 |
≡ |
Chuck Akre - Akre Capital Management |
Buy |
2,528 |
0.04 |
≡ |
Richard Pzena - Hancock Classic Value |
Reduce 1.89% |
25,200 |
0.10 |
≡ |
Charles Bobrinskoy - Ariel Focus Fund |
Reduce 4.22% |
1,800 |
0.28 |
≡ |
Hillman Value Fund |
Reduce 6.00% |
600 |
0.34 |
≡ |
Robert Olstein - Olstein Capital Management |
Reduce 10.57% |
13,000 |
0.18 |
Q4  2010 |
≡ |
Thomas Gayner - Markel Group |
Add 8.64% |
55,326 |
0.23 |
≡ |
Bill & Melinda Gates Foundation Trust |
Add 7.00% |
500,000 |
0.24 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 1.67% |
3,300 |
0.01 |
≡ |
Charles Bobrinskoy - Ariel Focus Fund |
Reduce 7.78% |
3,600 |
0.49 |
≡ |
Richard Pzena - Hancock Classic Value |
Reduce 9.25% |
136,075 |
0.47 |
≡ |
Chuck Akre - Akre Capital Management |
Sell 100.00% |
4,453 |
0.07 |
Q3  2010 |
≡ |
Robert Olstein - Olstein Capital Management |
Add 23.00% |
23,000 |
0.25 |
≡ |
Thomas Gayner - Markel Group |
Add 17.65% |
96,052 |
0.36 |
≡ |
Charles Bobrinskoy - Ariel Focus Fund |
Add 10.24% |
4,300 |
0.50 |
≡ |
Thomas Russo - Gardner Russo & Quinn |
Reduce 1.08% |
2,159 |
0.01 |
≡ |
Richard Pzena - Hancock Classic Value |
Reduce 4.20% |
64,525 |
0.19 |