| Quarter | Holdings | Value ($000) | Form Type | Date Filed | Filing ID | Name |
|---|---|---|---|---|---|---|
| Q3 2022 | 1 | 1,074 | 13F-HR | 10/24/2022 | 000161616822000004 | GVO Asset Management Ltd |
| Q2 2022 | 1 | 1,009 | 13F-HR | 7/14/2022 | 000161616822000003 | GVO Asset Management Ltd |
| Q1 2022 | 1 | 62,103 | 13F-HR | 4/29/2022 | 000161616822000002 | GVO Asset Management Ltd |
| Q4 2021 | 1 | 63,301 | 13F-HR | 1/27/2022 | 000161616822000001 | GVO Asset Management Ltd |
| Q3 2021 | 1 | 58,179 | 13F-HR | 10/20/2021 | 000161616821000004 | GVO Asset Management Ltd |
| Q2 2021 | 63 | 117,858 | 13F-HR | 7/13/2021 | 000161616821000003 | GVO Asset Management Ltd |
| Q1 2021 | 63 | 99,328 | 13F-HR | 5/4/2021 | 000161616821000002 | GVO Asset Management Ltd |
| Q4 2020 | 19 | 141,563 | 13F-HR | 2/9/2021 | 000161616821000001 | GVO Asset Management Ltd |
| Q3 2020 | 16 | 159,809 | 13F-HR | 10/28/2020 | 000161616820000004 | GVO Asset Management Ltd |
| Q2 2020 | 31 | 242,910 | 13F-HR | 8/10/2020 | 000161616820000003 | GVO Asset Management Ltd |
| Q1 2020 | 6 | 75,395 | 13F-HR | 5/5/2020 | 000161616820000002 | GVO Asset Management Ltd |
| Q4 2019 | 13 | 174,628 | 13F-HR | 1/29/2020 | 000161616820000001 | GVO Asset Management Ltd |
| Q3 2019 | 12 | 214,296 | 13F-HR | 10/22/2019 | 000161616819000005 | GVO Asset Management Ltd |
| Q2 2019 | 8 | 123,133 | 13F-HR | 7/23/2019 | 000161616819000004 | GVO Asset Management Ltd |
| Q1 2019 | 7 | 114,183 | 13F-HR | 4/12/2019 | 000161616819000003 | GVO Asset Management Ltd |
| Q4 2018 | 12 | 127,205 | 13F-HR | 2/11/2019 | 000161616819000001 | GVO Asset Management Ltd |
| Q3 2018 | 16 | 286,457 | RESTATEMENT | 11/6/2018 | 000161616818000005 | GVO Asset Management Ltd |
| Q3 2018 | 16 | 286,457 | 13F-HR | 11/6/2018 | 000161616818000004 | GVO Asset Management Ltd |
| Q2 2018 | 21 | 306,553 | 13F-HR | 7/27/2018 | 000161616818000003 | GVO Asset Management Ltd |
| Q1 2018 | 23 | 404,853 | 13F-HR | 5/14/2018 | 000161616818000002 | GVO Asset Management Ltd |
| Q4 2017 | 16 | 433,616 | 13F-HR | 2/9/2018 | 000161616818000001 | GVO Asset Management Ltd |
| Q3 2017 | 15 | 486,006 | 13F-HR | 11/7/2017 | 000161616817000005 | GVO Asset Management Ltd |
| Q2 2017 | 17 | 496,089 | 13F-HR | 8/7/2017 | 000161616817000004 | GVO Asset Management Ltd |
| Q1 2017 | 20 | 580,182 | 13F-HR | 4/18/2017 | 000161616817000002 | GVO Asset Management Ltd |
| Q4 2016 | 19 | 528,617 | 13F-HR | 2/13/2017 | 000161616817000001 | GVO Asset Management Ltd |
| Q3 2016 | 24 | 738,302 | 13F-HR | 11/4/2016 | 000161616816000010 | GVO Asset Management Ltd |
| Q2 2016 | 21 | 855,749 | 13F-HR | 7/14/2016 | 000161616816000009 | GVO Asset Management Ltd |
| Q1 2016 | 15 | 865,588 | 13F-HR | 4/8/2016 | 000161616816000008 | GVO Asset Management Ltd |
| Q4 2015 | 13 | 968,507 | 13F-HR | 2/8/2016 | 000161616816000007 | GVO Asset Management Ltd |
| Q3 2015 | 14 | 995,793 | 13F-HR | 11/5/2015 | 000161616815000004 | GVO Asset Management Ltd |
| Q2 2015 | 14 | 1,044,391 | 13F-HR | 7/20/2015 | 000161616815000003 | GVO Asset Management Ltd |
| Q1 2015 | 12 | 1,094,018 | 13F-HR | 5/5/2015 | 000161616815000002 | GVO Asset Management Ltd |
| Q4 2014 | 11 | 984,367 | 13F-HR | 2/5/2015 | 000161616815000001 | GVO Asset Management Ltd |
| Q3 2014 | 12 | 953,478 | 13F-HR | 11/12/2014 | 000089180414001081 | GVO Asset Management Ltd |
| Q2 2014 | 12 | 915,409 | 13F-HR | 8/14/2014 | 000089180414000762 | GVO Asset Management Ltd |