| Quarter | Holdings | Value ($000) | Top Holdings | Form Type | Date Filed | Filing ID |
|---|---|---|---|---|---|---|
| Q4 2023 | 105 | 301,135 | BRK-B, PXD, FANG, GOOG | 13F-HR | 2/14/2024 | 000139834424002891 |
| Q3 2023 | 105 | 285,362 | BRK-B, PXD, FANG, GOOG | 13F-HR | 11/14/2023 | 000139834423020604 |
| Q2 2023 | 106 | 278,076 | BRK-B, PXD, GOOG, FANG | 13F-HR | 8/14/2023 | 000139834423014725 |
| Q1 2023 | 108 | 268,829 | BRK-B, PXD, GOOG, FANG | 13F-HR | 5/15/2023 | 000139834423009686 |
| Q4 2022 | 108 | 268,343 | BRK-B, PXD, FANG, SLB | 13F-HR | 2/14/2023 | 000139834423003139 |
| Q3 2022 | 81 | 336,921 | PXD, BRK-B, GOOG, ATKR | 13F-HR | 11/14/2022 | 000139834422021953 |
| Q2 2022 | 86 | 374,897 | PXD, BRK-B, GOOG, ATKR | 13F-HR | 8/15/2022 | 000139834422015572 |
| Q1 2022 | 90 | 444,759 | BRK-B, PXD, GOOG, ATKR | 13F-HR | 5/16/2022 | 000139834422009615 |
| Q4 2021 | 77 | 550,857 | BRK-B, PXD, GOOG, ATKR | 13F-HR | 2/14/2022 | 000139834422002950 |
| Q3 2021 | 75 | 510,427 | BRK-B, PXD, GOOG, META | 13F-HR | 11/15/2021 | 000139834421021433 |
| Q2 2021 | 74 | 508,292 | BRK-B, PXD, GOOG, META | 13F-HR | 8/16/2021 | 000139834421016234 |
| Q1 2021 | 69 | 457,216 | BRK-B, PXD, GOOG, META | 13F-HR | 5/14/2021 | 000139834421010699 |
| Q4 2020 | 63 | 397,396 | BRK-B, GOOG, META, SEA.TO | 13F-HR | 2/12/2021 | 000139834421003100 |
| Q3 2020 | 41 | 278,060 | BRK-B, META, SEA.TO, GOOG | 13F-HR | 11/13/2020 | 000139834420022487 |
| Q2 2020 | 33 | 244,498 | BRK-B, GOOG, META, SEA.TO | 13F-HR | 8/4/2020 | 000139834420014948 |
| Q1 2020 | 67 | 371,104 | BRK-B, ABC, CFX, BOOM | 13F-HR | 4/30/2020 | 000139834420008960 |
| Q4 2019 | 65 | 596,198 | BRK-B, BOOM, CFX, WFC | 13F-HR | 2/14/2020 | 000139834420003373 |
| Q3 2019 | 59 | 577,922 | BRK-B, BOOM, ATKR, WFC | 13F-HR | 11/14/2019 | 000139834419020215 |
| Q2 2019 | 61 | 670,776 | BRK-B, BOOM, ATKR, ATI | 13F-HR | 8/14/2019 | 000139834419014229 |
| Q1 2019 | 66 | 727,180 | BRK-B, ATI, BOOM, ATKR | 13F-HR | 5/15/2019 | 000139834419008848 |
| Q4 2018 | 70 | 676,118 | BRK-B, ATI, ATKR, BOOM | 13F-HR | 2/14/2019 | 000139834419002694 |
| Q3 2018 | 78 | 939,166 | BRK-B, VALPQ, ATI, ATKR | 13F-HR | 11/14/2018 | 000139834418016477 |
| Q2 2018 | 82 | 943,948 | BRK-B, VALPQ, ATI, BOOM | 13F-HR | 8/14/2018 | 000139834418011849 |
| Q1 2018 | 79 | 828,882 | BRK-B, ATI, ATKR, CFX | 13F-HR | 5/15/2018 | 000139834418007515 |
| Q4 2017 | 76 | 888,995 | BRK-B, ATI, CFX, VALPQ | 13F-HR | 2/14/2018 | 000139834418002349 |
| Q3 2017 | 82 | 888,489 | ATI, BRK-B, CFX, WFC | 13F-HR | 11/13/2017 | 000139834417014468 |
| Q2 2017 | 80 | 810,951 | BRK-B, ATI, CFX, DISCK | 13F-HR | 8/14/2017 | 000139834417010224 |
| Q1 2017 | 83 | 877,924 | ATI, BRK-B, DISCK, CFX | 13F-HR | 5/10/2017 | 000139834417006156 |
| Q4 2016 | 82 | 842,525 | BRK-B, UNTCQ, ATI, XOP | 13F-HR | 2/9/2017 | 000139834417001673 |
| Q3 2016 | 82 | 810,835 | ATI, BRK-B, DISCK, XOP | 13F-HR | 11/10/2016 | 000139834416020536 |
| Q2 2016 | 82 | 778,165 | BRK-B, GDXJ, DISCK, XOP | 13F-HR | 8/4/2016 | 000139834416016044 |
| Q1 2016 | 80 | 759,527 | BRK-B, DISCK, ATI, GM | 13F-HR | 5/16/2016 | 000139834416013414 |
| Q4 2015 | 78 | 732,729 | BRK-B, DISCK, GM, CBI | 13F-HR | 2/16/2016 | 000139834416009929 |
| Q3 2015 | 84 | 778,245 | BRK-B, DISCK, CBI, WFC | 13F-HR | 11/16/2015 | 000139834415007674 |
| Q2 2015 | 95 | 882,626 | BRK-B, WFC, DISCK, CBI | 13F-HR | 8/14/2015 | 000139834415005284 |
| Q1 2015 | 91 | 959,497 | BRK-B, WFC, CBI, DISCK | 13F-HR | 5/15/2015 | 000139834415003290 |
| Q4 2014 | 104 | 1,111,356 | BRK-B, WFC, GLW, J | 13F-HR | 2/13/2015 | 000139834415000931 |
| Q3 2014 | 101 | 1,285,081 | BRK-B, WFC, J, CSCO | 13F-HR | 11/14/2014 | 000139834414005878 |
| Q2 2014 | 100 | 1,394,897 | BRK-B, WFC, J, GLW | 13F-HR | 8/14/2014 | 000139834414004162 |
| Q1 2014 | 102 | 1,449,186 | GLW, J, LAYN, BRK-B | 13F-HR | 5/15/2014 | 000139834414002789 |
| Q4 2013 | 111 | 1,284,074 | J, GLW, CSCO, LAYN | 13F-HR | 2/14/2014 | 000139834414001033 |