| Quarter | Holdings | Value, Excl. Options ($000) | Top Holdings | Form Type | Date Filed | Filing ID |
|---|---|---|---|---|---|---|
| Q2 2015 | 17 | 36,546 | BRK-B, GNTX, TRV, WMT | 13F-HR | 8/13/2015 | 000114036115031517 |
| Q1 2015 | 15 | 35,316 | BRK-B, GNTX, TRV, WMT | 13F-HR | 5/19/2015 | 000114036115020823 |
| Q4 2014 | 15 | 38,751 | BRK-B, GNTX, TRV, WMT | 13F-HR | 2/17/2015 | 000114036115006838 |
| Q3 2014 | 12 | 27,100 | BRK-B, GNTX, TRV, WMT | 13F-HR | 11/12/2014 | 000114036114041264 |
| Q2 2014 | 13 | 31,301 | BRK-B, GNTX, TRV, WMT | 13F-HR | 8/13/2014 | 000114036114032163 |
| Q1 2014 | 13 | 35,138 | BRK-B, GNTX, WMT, TRV | 13F-HR | 5/12/2014 | 000114036114020099 |
| Q4 2013 | 13 | 37,427 | GNTX, BRK-B, WMT, TRV | 13F-HR | 2/13/2014 | 000114036114006974 |