| Q3 2025 | 51 | 696,024 | BRK-B, NEM, XOM, TECK-B.TO | 13F-HR | 10/14/2025 | 000117923225000010 | 
        
          | Q2 2025 | 50 | 646,664 | BRK-B, XOM, NEM, TECK-B.TO | 13F-HR | 7/14/2025 | 000117923225000003 | 
        
          | Q1 2025 | 50 | 634,392 | BRK-B, XOM, CVX, TECK-B.TO | 13F-HR | 4/14/2025 | 000117923225000002 | 
        
          | Q4 2024 | 52 | 598,720 | XOM, BRK-B, TECK-B.TO, CVX | 13F-HR | 1/14/2025 | 000117923225000001 | 
        
          | Q3 2024 | 52 | 646,897 | TECK-B.TO, XOM, BRK-B, NEM | 13F-HR | 10/10/2024 | 000117923224000006 | 
        
          | Q2 2024 | 52 | 625,941 | XOM, TECK-B.TO, BRK-B, CVX | 13F-HR | 7/10/2024 | 000117923224000003 | 
        
          | Q1 2024 | 52 | 636,616 | XOM, TECK-B.TO, BRK-B, COP | 13F-HR | 4/11/2024 | 000117923224000002 | 
        
          | Q4 2023 | 52 | 627,818 | TECK-B.TO, XOM, BRK-B, CVX | 13F-HR | 1/10/2024 | 000117923224000001 | 
        
          | Q3 2023 | 52 | 602,439 | XOM, TECK-B.TO, CVX, COP | 13F-HR | 10/10/2023 | 000117923223000004 | 
        
          | Q2 2023 | 51 | 600,455 | XOM, TECK-B.TO, CVX, BRK-B | 13F-HR | 7/12/2023 | 000117923223000003 | 
        
          | Q1 2023 | 52 | 603,783 | XOM, TECK-B.TO, CVX, NEM | 13F-HR | 4/11/2023 | 000117923223000002 | 
        
          | Q4 2022 | 53 | 604,323 | XOM, CVX, TECK-B.TO, COP | 13F-HR | 1/12/2023 | 000117923223000001 | 
        
          | Q3 2022 | 51 | 525,999 | XOM, CVX, TECK-B.TO, COP | 13F-HR | 10/13/2022 | 000117923222000005 | 
        
          | Q2 2022 | 52 | 560,887 | XOM, NEM, LUMN, CVX | 13F-HR | 7/15/2022 | 000117923222000004 | 
        
          | Q1 2022 | 52 | 648,127 | NEM, TECK-B.TO, MOS, CVX | 13F-HR | 4/12/2022 | 000117923222000003 | 
        
          | Q4 2021 | 51 | 514,210 | NEM, BRK-B, TECK-B.TO, LUMN | RESTATEMENT | 1/21/2022 | 000117923222000002 | 
        
          | Q3 2021 | 50 | 443,358 | NEM, BRK-B, TECK-B.TO, LUMN | 13F-HR | 10/12/2021 | 000117923221000004 | 
        
          | Q2 2021 | 50 | 445,520 | NEM, BRK-B, LUMN, XOM | 13F-HR | 7/13/2021 | 000117923221000003 | 
        
          | Q1 2021 | 51 | 420,206 | NEM, BRK-B, LUMN, XOM | 13F-HR | 4/8/2021 | 000117923221000002 | 
        
          | Q4 2020 | 53 | 383,259 | NEM, BRK-B, TECK-B.TO, PARA | 13F-HR | 1/13/2021 | 000117923221000001 | 
        
          | Q3 2020 | 52 | 327,734 | NEM, BRK-B, MRK, ABX.TO | 13F-HR | 10/7/2020 | 000117923220000004 | 
        
          | Q2 2020 | 54 | 325,372 | NEM, BRK-B, XOM, MRK | 13F-HR | 7/8/2020 | 000117923220000003 | 
        
          | Q1 2020 | 51 | 280,246 | NEM, BRK-B, MRK, XOM | 13F-HR | 4/8/2020 | 000117923220000002 | 
        
          | Q4 2019 | 55 | 441,774 | NEM, BRK-B, MRK, XOM | 13F-HR | 1/8/2020 | 000117923220000001 | 
        
          | Q3 2019 | 56 | 457,358 | NEM, BRK-B, XOM, MRK | 13F-HR | 10/3/2019 | 000117923219000004 | 
        
          | Q2 2019 | 56 | 489,497 | NEM, BRK-B, XOM, MRK | 13F-HR | 7/10/2019 | 000117923219000003 | 
        
          | Q1 2019 | 58 | 476,908 | XOM, BRK-B, NEM, MRK | 13F-HR | 4/11/2019 | 000117923219000002 | 
        
          | Q4 2018 | 55 | 463,022 | BRK-B, XOM, NEM, MRK | 13F-HR | 1/17/2019 | 000117923219000001 | 
        
          | Q3 2018 | 60 | 517,357 | XOM, BRK-B, TECK-B.TO, MOS | 13F-HR | 10/2/2018 | 000117923218000004 | 
        
          | Q2 2018 | 57 | 515,817 | XOM, NEM, BRK-B, TECK-B.TO | 13F-HR | 7/11/2018 | 000117923218000003 | 
        
          | Q1 2018 | 58 | 497,376 | XOM, NEM, BRK-B, TECK-B.TO | 13F-HR | 4/19/2018 | 000117923218000002 | 
        
          | Q4 2017 | 60 | 555,686 | BRK-B, PFE, NEM, MRK | 13F-HR | 1/10/2018 | 000117923218000001 | 
        
          | Q3 2017 | 60 | 603,693 | PFE, BRK-B, MRK, NEM | 13F-HR | 10/11/2017 | 000117923217000004 | 
        
          | Q2 2017 | 60 | 558,039 | PFE, BRK-B, MRK, NEM | 13F-HR | 7/18/2017 | 000117923217000003 | 
        
          | Q1 2017 | 57 | 570,391 | PFE, BRK-B, MRK, TECK-B.TO | 13F-HR | 4/11/2017 | 000117923217000002 | 
        
          | Q4 2016 | 59 | 590,842 | PFE, BRK-B, MRK, NEM | 13F-HR | 1/10/2017 | 000117923217000001 | 
        
          | Q3 2016 | 60 | 560,175 | PFE, NEM, MRK, BRK-B | 13F-HR | 10/5/2016 | 000117923216000008 | 
        
          | Q2 2016 | 58 | 537,225 | PFE, NEM, BRK-B, MRK | 13F-HR | 7/7/2016 | 000117923216000007 | 
        
          | Q1 2016 | 58 | 486,718 | PFE, BRK-B, MRK, NEM | 13F-HR | 4/6/2016 | 000117923216000006 | 
        
          | Q4 2015 | 60 | 461,242 | PFE, VLO, MRK, BRK-B | 13F-HR | 1/19/2016 | 000117923216000005 | 
        
          | Q3 2015 | 59 | 465,119 | PFE, VLO, BRK-B, MRK | 13F-HR | 10/7/2015 | 000117923215000004 | 
        
          | Q2 2015 | 62 | 552,301 | PFE, VLO, MRK, BRK-B | 13F-HR | 7/13/2015 | 000117923215000003 | 
        
          | Q1 2015 | 65 | 608,490 | PFE, VLO, MRK, BRK-B | 13F-HR | 4/13/2015 | 000117923215000002 | 
        
          | Q4 2014 | 68 | 711,688 | PFE, COP, BRK-B, MRK | 13F-HR | 1/7/2015 | 000117923215000001 | 
        
          | Q3 2014 | 66 | 765,531 | PFE, COP, MRK, BRK-B | 13F-HR | 10/6/2014 | 000117923214000005 | 
        
          | Q2 2014 | 67 | 819,473 | COP, PFE, MRK, OVV | 13F-HR | 7/17/2014 | 000117923214000004 | 
        
          | Q1 2014 | 68 | 783,098 | PFE, COP, MRK, VLO | 13F-HR | 4/10/2014 | 000117923214000003 | 
        
          | Q4 2013 | 70 | 794,850 | PFE, COP, MRK, VLO | 13F-HR | 1/21/2014 | 000117923214000002 |