| Quarter | Holdings | Value ($000) | Top Holdings | Form Type | Date Filed | Filing ID |
|---|---|---|---|---|---|---|
| Q1 2020 | 16 | 688,038 | BRK-B, CMPR, AN, SPB | 13F-HR | 5/15/2020 | 000160658720000686 |
| Q4 2019 | 15 | 1,471,579 | BRK-B, CMPR, SPB, BFH | 13F-HR | 2/14/2020 | 000160658720000320 |
| Q3 2019 | 15 | 1,529,471 | BRK-B, CMPR, SPB, AN | 13F-HR | 11/14/2019 | 000160658719001030 |
| Q2 2019 | 14 | 1,475,000 | BRK-B, BFH, CMPR, SPB | 13F-HR | 8/14/2019 | 000160658719000793 |
| Q1 2019 | 15 | 1,419,394 | BRK-B, BFH, SPB, CMPR | 13F-HR | 5/14/2019 | 000160658719000541 |
| Q4 2018 | 16 | 1,253,672 | BRK-B, BFH, CMPR, SPB | 13F-HR | 2/14/2019 | 000160658719000261 |
| Q3 2018 | 19 | 1,363,334 | BRK-B, BFH, CMPR, MNRO | 13F-HR | 11/13/2018 | 000160658718000878 |
| Q2 2018 | 21 | 1,275,750 | BFH, CMPR, BRK-B, IBKR | 13F-HR | 8/13/2018 | 000160658718000653 |
| Q1 2018 | 21 | 1,208,387 | CMPR, BRK-B, BFH, IBKR | 13F-HR | 5/14/2018 | 000160658718000440 |
| Q4 2017 | 22 | 1,057,662 | CMPR, BRK-B, IBKR, LUK | 13F-HR | 2/13/2018 | 000160658718000206 |
| Q3 2017 | 25 | 999,512 | CMPR, BRK-B, LUK, AN | 13F-HR | 11/14/2017 | 000160658717000696 |
| Q2 2017 | 24 | 873,633 | CMPR, BRK-B, LUK, AN | 13F-HR | 8/14/2017 | 000160658717000521 |
| Q1 2017 | 21 | 700,755 | BRK-B, CMPR, LUK, IBKR | 13F-HR | 5/15/2017 | 000160658717000351 |
| Q4 2016 | 18 | 727,214 | BRK-B, CMPR, LUK, IBKR | 13F-HR | 2/14/2017 | 000160658717000157 |
| Q3 2016 | 18 | 862,354 | BRK-B, CMPR, LUK, DNOW | 13F-HR | 11/14/2016 | 000160658716000859 |
| Q2 2016 | 21 | 901,962 | BRK-B, CMPR, LUK, DNOW | 13F-HR | 8/15/2016 | 000160658716000759 |
| Q1 2016 | 17 | 817,524 | CMPR, BRK-B, LUK, DNOW | 13F-HR | 5/16/2016 | 000160658716000630 |
| Q4 2015 | 16 | 796,061 | CMPR, BRK-B, DNOW, LUK | 13F-HR | 2/16/2016 | 000160658716000454 |
| Q3 2015 | 17 | 745,404 | CMPR, BRK-B, DNOW, IBKR | 13F-HR | 11/16/2015 | 000160658715000327 |
| Q2 2015 | 14 | 716,126 | CMPR, BAC, OUTR, IBKR | 13F-HR | 8/14/2015 | 000160658715000248 |
| Q1 2015 | 15 | 692,154 | BAC, CMPR, DNOW, SONY | 13F-HR | 5/15/2015 | 000160658715000176 |
| Q4 2014 | 14 | 564,751 | BAC, CMPR, OUTR, SONY | 13F-HR | 2/17/2015 | 000160658715000063 |
| Q3 2014 | 13 | 443,052 | BAC, VPRT, OUTR, SONY | 13F-HR | 11/14/2014 | 000160658714000271 |
| Q2 2014 | 16 | 454,430 | BRK-B, BAC, VPRT, CHRW | 13F-HR | 8/14/2014 | 000160658714000197 |
| Q1 2014 | 11 | 389,109 | BRK-B, VPRT, BAC, CHRW | 13F-HR | 5/14/2014 | 000160658714000094 |
| Q4 2013 | 12 | 348,150 | BRK-B, VPRT, BAC, BRK-A | 13F-HR | 2/14/2014 | 000139834414001024 |