| Quarter | Holdings | Value ($000) | Top Holdings | Form Type | Date Filed | Filing ID |
|---|---|---|---|---|---|---|
| Q2 2026 | 199 | 697,119 | BRK-B, FRFHF, WTM, WRB | 13F-HR | 7/16/2026 | 000121465926008633 |
| Q1 2026 | 190 | 678,245 | BRK-B, FRFHF, WTM, WRB | 13F-HR | 5/5/2026 | 000121465926005580 |
| Q4 2025 | 192 | 673,024 | BRK-B, FRFHF, WTM, WRB | 13F-HR | 2/6/2026 | 000121465926001286 |
| Q3 2025 | 188 | 641,981 | BRK-B, FRFHF, WRB, WTM | 13F-HR | 11/6/2025 | 000121465925016025 |
| Q2 2025 | 191 | 623,451 | BRK-B, FRFHF, WRB, WTM | 13F-HR | 7/22/2025 | 000121465925010775 |
| Q1 2025 | 170 | 581,956 | BRK-B, WRB, FRFHF, WTM | RESTATEMENT | 7/24/2025 | 000121465925010859 |
| Q4 2024 | 166 | 561,320 | BRK-B, JEF, FRFHF, WTM | RESTATEMENT | 7/24/2025 | 000121465925010858 |
| Q3 2024 | 167 | 552,942 | BRK-B, FRFHF, WRB, WTM | RESTATEMENT | 7/24/2025 | 000121465925010857 |
| Q2 2024 | 168 | 486,693 | BRK-B, WTM, WRB, ESGR | RESTATEMENT | 7/24/2025 | 000121465925010856 |
| Q1 2024 | 178 | 529,132 | BRK-B, WTM, WRB, FRFHF | RESTATEMENT | 7/24/2025 | 000121465925010855 |
| Q4 2023 | 178 | 477,381 | BRK-B, WTM, WRB, ESGR | RESTATEMENT | 7/24/2025 | 000121465925010854 |
| Q3 2023 | 174 | 443,766 | BRK-B, WTM, WRB, FRFHF | RESTATEMENT | 7/24/2025 | 000121465925010853 |
| Q2 2023 | 182 | 425,618 | BRK-B, WTM, WRB, MKL | RESTATEMENT | 7/24/2025 | 000121465925010852 |
| Q1 2023 | 177 | 406,415 | BRK-B, WTM, WRB, MKL | RESTATEMENT | 7/24/2025 | 000121465925010851 |
| Q4 2022 | 170 | 424,365 | BRK-B, FRFHF, WTM, WRB | 13F-HR | 1/12/2023 | 000121465923000555 |
| Q3 2022 | 165 | 372,448 | BRK-B, WTM, WRB, Y | 13F-HR | 10/25/2022 | 000121465922012619 |
| Q2 2022 | 170 | 389,195 | BRK-B, WTM, WRB, MKL | 13F-HR | 7/27/2022 | 000121465922009223 |
| Q1 2022 | 173 | 420,572 | BRK-B, Y, WTM, WRB | 13F-HR | 4/22/2022 | 000121465922005658 |
| Q4 2021 | 173 | 389,329 | BRK-B, WTM, JEF, Y | 13F-HR | 1/14/2022 | 000121465922000717 |
| Q3 2021 | 172 | 366,064 | BRK-B, WTM, JEF, MKL | 13F-HR | 11/8/2021 | 000121465921011252 |
| Q2 2021 | 175 | 368,888 | BRK-B, WTM, Y, MKL | 13F-HR | 8/3/2021 | 000121465921008108 |
| Q1 2021 | 171 | 343,985 | BRK-B, WTM, Y, ESGR | 13F-HR | 4/26/2021 | 000121465921004500 |
| Q4 2020 | 160 | 300,956 | BRK-B, WTM, Y, WRB | 13F-HR | 2/11/2021 | 000121465921001545 |
| Q3 2020 | 161 | 268,823 | BRK-B, WTM, Y, WRB | 13F-HR | 11/3/2020 | 000121465920009110 |
| Q2 2020 | 153 | 269,115 | BRK-B, WTM, Y, WRB | 13F-HR | 7/29/2020 | 000121465920006576 |
| Q1 2020 | 159 | 254,432 | BRK-B, WTM, Y, MKL | 13F-HR | 5/6/2020 | 000121465920004114 |
| Q4 2019 | 169 | 350,414 | BRK-B, WTM, Y, MKL | 13F-HR | 2/10/2020 | 000121465920001127 |
| Q3 2019 | 167 | 336,163 | BRK-B, Y, WTM, WRB | 13F-HR | 11/12/2019 | 000121465919006979 |
| Q2 2019 | 165 | 336,415 | BRK-B, WTM, Y, MKL | 13F-HR | 8/2/2019 | 000121465919004947 |
| Q1 2019 | 161 | 321,901 | BRK-B, WTM, Y, MKL | 13F-HR | 5/8/2019 | 000121465919003276 |
| Q4 2018 | 154 | 302,012 | BRK-B, WTM, Y, MKL | 13F-HR | 2/11/2019 | 000121465919000965 |
| Q3 2018 | 164 | 337,367 | BRK-B, WTM, Y, MKL | 13F-HR | 11/14/2018 | 000121465918007068 |
| Q2 2018 | 164 | 330,476 | BRK-B, WTM, Y, MKL | 13F-HR | 8/14/2018 | 000121465918005461 |
| Q1 2018 | 153 | 315,963 | BRK-B, WTM, Y, MKL | 13F-HR | 5/14/2018 | 000121465918003672 |
| Q4 2017 | 155 | 326,228 | BRK-B, WTM, Y, MKL | 13F-HR | 2/5/2018 | 000121465918000886 |
| Q3 2017 | 151 | 316,223 | BRK-B, WTM, Y, MKL | 13F-HR | 11/6/2017 | 000121465917006389 |
| Q2 2017 | 159 | 321,363 | BRK-B, WTM, Y, MKL | 13F-HR | 7/27/2017 | 000121465917004590 |
| Q1 2017 | 155 | 320,210 | BRK-B, WTM, Y, MKL | 13F-HR | 5/5/2017 | 000121465917003018 |
| Q4 2016 | 160 | 318,911 | BRK-B, WTM, Y, MKL | 13F-HR | 1/31/2017 | 000121465917000559 |
| Q3 2016 | 157 | 292,845 | BRK-B, WTM, Y, MKL | 13F-HR | 11/7/2016 | 000122107316000214 |
| Q2 2016 | 154 | 285,740 | BRK-B, WTM, Y, MKL | 13F-HR | 7/26/2016 | 000122107316000180 |
| Q1 2016 | 156 | 271,815 | BRK-B, WTM, Y, MKL | RESTATEMENT | 7/26/2016 | 000122107316000179 |
| Q4 2015 | 148 | 262,382 | BRK-B, WTM, Y, MKL | 13F-HR | 2/11/2016 | 000122107316000134 |
| Q3 2015 | 146 | 252,736 | BRK-B, WTM, Y, MKL | 13F-HR | 11/16/2015 | 000122107315000116 |
| Q2 2015 | 147 | 266,476 | BRK-B, WTM, Y, MKL | 13F-HR | 8/10/2015 | 000122107315000085 |
| Q1 2015 | 147 | 267,053 | BRK-B, WTM, Y, MKL | 13F-HR | 5/11/2015 | 000122107315000056 |
| Q4 2014 | 150 | 264,660 | BRK-B, WTM, Y, WRB | RESTATEMENT | 3/2/2015 | 000122107315000042 |
| Q3 2014 | 147 | 259,707 | BRK-B, WTM, Y, WRB | 13F-HR | 11/14/2014 | 000122107314000089 |
| Q2 2014 | 145 | 258,139 | BRK-B, WTM, Y, L | 13F-HR | 8/11/2014 | 000122107314000064 |
| Q1 2014 | 143 | 239,165 | BRK-B, WTM, Y, L | 13F-HR | 5/9/2014 | 000122107314000038 |
| Q4 2013 | 137 | 224,166 | BRK-B, WTM, Y, L | 13F-HR | 2/13/2014 | 000122107314000012 |