| Q1  2026 |
| ≡ |
John Rogers - Ariel Investments |
Add 38.53% |
27,513 |
0.11 |
| ≡ |
Viking Global Investors |
Buy |
1,932,165 |
1.93 |
| Q4  2025 |
| ≡ |
Lee Ainslie - Maverick Capital |
Add 67.96% |
10,125 |
0.03 |
| Q3  2025 |
| ≡ |
Lee Ainslie - Maverick Capital |
Add 59.71% |
5,570 |
0.02 |
| ≡ |
Dodge & Cox Funds |
Add 12.03% |
1,742,666 |
0.22 |
| ≡ |
David Katz - Matrix Asset Advisors |
Add 1.49% |
817 |
0.02 |
| ≡ |
John Rogers - Ariel Investments |
Buy |
75,869 |
0.19 |
| Q2  2025 |
| ≡ |
David Katz - Matrix Asset Advisors |
Add 12.44% |
6,049 |
0.14 |
| ≡ |
Dodge & Cox Funds |
Add 4.69% |
649,426 |
0.08 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 3.23% |
1,000 |
0.04 |
| ≡ |
Lee Ainslie - Maverick Capital |
Buy |
9,328 |
0.03 |
| Q1  2025 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 10.71% |
3,000 |
0.13 |
| ≡ |
Thomas Gayner - Markel Group |
Add 3.15% |
6,500 |
0.01 |
| Q4  2024 |
| ≡ |
Harry Burn - Sound Shore |
Add 12.82% |
27,444 |
0.25 |
| ≡ |
Thomas Gayner - Markel Group |
Add 5.90% |
11,500 |
0.03 |
| ≡ |
Dodge & Cox Funds |
Add 5.58% |
734,268 |
0.12 |
| Q3  2024 |
| ≡ |
Bill & Melinda Gates Foundation Trust |
Add 65.17% |
1,000,000 |
0.61 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 14.55% |
4,000 |
0.19 |
| ≡ |
Thomas Gayner - Markel Group |
Add 7.73% |
14,000 |
0.03 |
| ≡ |
David Katz - Matrix Asset Advisors |
Add 0.43% |
216 |
0.01 |
| Q2  2024 |
| ≡ |
Thomas Gayner - Markel Group |
Add 7.74% |
13,000 |
0.04 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 1.85% |
500 |
0.03 |
| Q1  2024 |
| ≡ |
David Katz - Matrix Asset Advisors |
Add 28.10% |
11,046 |
0.38 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 20.00% |
4,500 |
0.21 |
| ≡ |
Thomas Gayner - Markel Group |
Add 7.35% |
11,500 |
0.03 |
| Q4  2023 |
| ≡ |
Lee Ainslie - Maverick Capital |
Add 121.62% |
7,725 |
0.04 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 28.57% |
5,000 |
0.21 |
| ≡ |
Thomas Gayner - Markel Group |
Add 7.93% |
11,500 |
0.03 |
| Q3  2023 |
| ≡ |
Lee Ainslie - Maverick Capital |
Add 162.81% |
3,935 |
0.02 |
| ≡ |
Thomas Gayner - Markel Group |
Add 9.02% |
12,000 |
0.04 |
| Q2  2023 |
| ≡ |
David Tepper - Appaloosa Management |
Add 85.71% |
300,000 |
1.38 |
| ≡ |
Harry Burn - Sound Shore |
Add 15.93% |
44,589 |
0.41 |
| ≡ |
Thomas Gayner - Markel Group |
Add 10.83% |
13,000 |
0.04 |
| Q1  2023 |
| ≡ |
Harry Burn - Sound Shore |
Add 153.31% |
169,443 |
1.46 |
| ≡ |
Thomas Gayner - Markel Group |
Add 12.15% |
13,000 |
0.04 |
| ≡ |
David Tepper - Appaloosa Management |
Buy |
350,000 |
4.32 |
| ≡ |
Lee Ainslie - Maverick Capital |
Buy |
2,496 |
0.01 |
| Q4  2022 |
| ≡ |
Thomas Gayner - Markel Group |
Add 22.29% |
19,500 |
0.05 |
| ≡ |
Harry Burn - Sound Shore |
Add 2.67% |
2,870 |
0.06 |
| Q3  2022 |
| ≡ |
Bill & Melinda Gates Foundation Trust |
Add 187.14% |
1,000,000 |
0.44 |
| ≡ |
Thomas Gayner - Markel Group |
Add 19.86% |
14,500 |
0.03 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 9.30% |
4,000 |
0.10 |
| ≡ |
David Katz - Matrix Asset Advisors |
Add 1.76% |
1,033 |
0.03 |
| Q2  2022 |
| ≡ |
Thomas Gayner - Markel Group |
Add 24.79% |
14,500 |
0.05 |
| ≡ |
Harry Burn - Sound Shore |
Buy |
107,655 |
2.52 |
| Q1  2022 |
| ≡ |
Thomas Gayner - Markel Group |
Add 234.29% |
41,000 |
0.11 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 0.94% |
500 |
0.01 |
| ≡ |
David Katz - Matrix Asset Advisors |
Add 0.55% |
329 |
0.01 |
| Q4  2021 |
| ≡ |
David Katz - Matrix Asset Advisors |
Add 17.62% |
8,937 |
0.30 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 1.92% |
1,000 |
0.03 |
| ≡ |
Viking Global Investors |
Buy |
655,242 |
0.49 |
| ≡ |
Thomas Gayner - Markel Group |
Buy |
17,500 |
0.05 |
| Q3  2021 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 57.58% |
19,000 |
0.51 |
| ≡ |
David Katz - Matrix Asset Advisors |
Add 4.97% |
2,399 |
0.07 |
| ≡ |
Lee Ainslie - Maverick Capital |
Buy |
8,705 |
0.02 |
| Q1  2021 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 37.25% |
9,500 |
0.38 |
| ≡ |
Lee Ainslie - Maverick Capital |
Buy |
6,728 |
0.02 |
| Q4  2020 |
| ≡ |
Greenhaven Associates |
Buy |
2,500 |
0.01 |
| Q3  2020 |
| ≡ |
Lee Ainslie - Maverick Capital |
Add 56.25% |
4,595 |
0.02 |
| Q2  2020 |
| ≡ |
Third Avenue Management |
Add 0.34% |
242 |
0.00 |
| ≡ |
Greenhaven Associates |
Buy |
804,960 |
2.50 |
| ≡ |
Lee Ainslie - Maverick Capital |
Buy |
8,169 |
0.02 |
| Q1  2020 |
| ≡ |
David Katz - Matrix Asset Advisors |
Add 409.56% |
44,233 |
1.22 |
| ≡ |
Third Avenue Management |
Buy |
71,511 |
1.28 |
| Q4  2019 |
| ≡ |
David Katz - Matrix Asset Advisors |
Add 56.52% |
3,900 |
1.05 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 5.08% |
3,000 |
0.07 |
| ≡ |
ValueAct Capital |
Buy |
590,000 |
0.90 |
| Q3  2019 |
| ≡ |
David Katz - Matrix Asset Advisors |
Add 115.63% |
3,700 |
1.02 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 5.36% |
3,000 |
0.07 |
| Q2  2019 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 16.67% |
8,000 |
0.21 |
| ≡ |
Michael Burry - Scion Asset Management |
Buy |
60,000 |
10.53 |
| ≡ |
David Katz - Matrix Asset Advisors |
Buy |
3,200 |
0.98 |
| Q4  2018 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 65.52% |
19,000 |
0.50 |
| Q1  2018 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 7.41% |
2,000 |
0.06 |
| Q4  2017 |
| ≡ |
Thomas Russo - Gardner Russo & Quinn |
Buy |
370 |
0.00 |
| Q2  2017 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 27.36% |
5,800 |
0.16 |
| Q1  2017 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 92.73% |
10,200 |
0.25 |
| Q1  2016 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Buy |
14,000 |
0.38 |
| Q4  2015 |
| ≡ |
Thomas Gayner - Markel Group |
Add 113.33% |
17,000 |
0.07 |
| Q3  2015 |
| ≡ |
Thomas Gayner - Markel Group |
Buy |
15,000 |
0.06 |
| Q2  2015 |
| ≡ |
Daniel Loeb - Third Point |
Add 11.11% |
100,000 |
0.17 |
| Q1  2015 |
| ≡ |
Daniel Loeb - Third Point |
Buy |
900,000 |
1.49 |
| ≡ |
Lee Ainslie - Maverick Capital |
Buy |
1,440 |
0.00 |
| Q4  2013 |
| ≡ |
Daniel Loeb - Third Point |
Add 25.00% |
500,000 |
1.36 |
| Q3  2013 |
| ≡ |
Daniel Loeb - Third Point |
Buy |
2,000,000 |
5.59 |
| Q2  2013 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 17.65% |
9,000 |
0.16 |
| Q4  2011 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 2.86% |
2,000 |
0.03 |
| Q3  2011 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 32.08% |
17,000 |
0.24 |
| ≡ |
Thomas Russo - Gardner Russo & Quinn |
Buy |
240 |
0.00 |
| Q2  2011 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 10.42% |
5,000 |
0.08 |
| Q4  2010 |
| ≡ |
Bill & Melinda Gates Foundation Trust |
Add 19.80% |
500,000 |
0.31 |
| Q2  2010 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Add 11.76% |
6,000 |
0.08 |
| Q1  2010 |
| ≡ |
Bill & Melinda Gates Foundation Trust |
Add 65.57% |
999,999 |
0.74 |
| Q1  2009 |
| ≡ |
Robert Olstein - Olstein Capital Management |
Buy |
90,200 |
0.91 |
| Q2  2008 |
| ≡ |
Bill & Melinda Gates Foundation Trust |
Add 19.61% |
250,000 |
0.21 |
| Q4  2007 |
| ≡ |
Bill & Melinda Gates Foundation Trust |
Add 10.87% |
125,000 |
0.11 |