| Quarter | Holdings | Value ($000) | Form Type | Date Filed | Filing ID | Name |
|---|---|---|---|---|---|---|
| Q1 2019 | 1 | 0 | 13F-HR | 4/16/2019 | 000117266119001064 | SPO ADVISORY CORP |
| Q4 2018 | 12 | 2,111,281 | 13F-HR | 1/24/2019 | 000117266119000232 | SPO ADVISORY CORP |
| Q3 2018 | 15 | 4,091,720 | 13F-HR | 11/14/2018 | 000117266118002205 | SPO ADVISORY CORP |
| Q2 2018 | 16 | 4,754,608 | 13F-HR | 8/14/2018 | 000117266118001667 | SPO ADVISORY CORP |
| Q1 2018 | 18 | 4,856,038 | 13F-HR | 5/15/2018 | 000117266118001229 | SPO ADVISORY CORP |
| Q4 2017 | 14 | 4,821,835 | 13F-HR | 2/14/2018 | 000117266118000644 | SPO ADVISORY CORP |
| Q3 2017 | 15 | 5,022,083 | 13F-HR | 11/14/2017 | 000117266117002121 | SPO ADVISORY CORP |
| Q2 2017 | 17 | 5,087,293 | 13F-HR | 8/14/2017 | 000117266117001679 | SPO ADVISORY CORP |
| Q1 2017 | 15 | 5,540,101 | 13F-HR | 5/15/2017 | 000117266117001235 | SPO ADVISORY CORP |
| Q4 2016 | 16 | 4,863,247 | 13F-HR | 2/14/2017 | 000117266117000775 | SPO ADVISORY CORP |
| Q3 2016 | 16 | 5,701,021 | 13F-HR | 11/14/2016 | 000117266116004314 | SPO ADVISORY CORP |
| Q2 2016 | 16 | 4,996,687 | 13F-HR | 8/15/2016 | 000117266116003897 | SPO ADVISORY CORP |
| Q1 2016 | 19 | 5,459,880 | 13F-HR | 5/16/2016 | 000117266116003444 | SPO ADVISORY CORP |
| Q4 2015 | 17 | 5,713,543 | 13F-HR | 2/16/2016 | 000117266116002934 | SPO ADVISORY CORP |
| Q3 2015 | 17 | 5,912,977 | 13F-HR | 11/16/2015 | 000117266115002096 | SPO ADVISORY CORP |
| Q2 2015 | 13 | 6,684,707 | 13F-HR | 8/14/2015 | 000114036115032348 | SPO ADVISORY CORP |
| Q1 2015 | 13 | 7,274,985 | 13F-HR | 5/15/2015 | 000114036115020461 | SPO ADVISORY CORP |
| Q4 2014 | 14 | 7,502,934 | 13F-HR | 2/17/2015 | 000114036115007497 | SPO ADVISORY CORP |
| Q3 2014 | 11 | 7,700,554 | 13F-HR | 11/14/2014 | 000114036114042329 | SPO ADVISORY CORP |
| Q2 2014 | 13 | 7,567,268 | 13F-HR | 8/14/2014 | 000114036114032929 | SPO ADVISORY CORP |
| Q1 2014 | 13 | 6,667,133 | 13F-HR | 5/16/2014 | 000114036114021810 | SPO ADVISORY CORP |
| Q4 2013 | 14 | 7,186,571 | 13F-HR | 2/14/2014 | 000114036114007856 | SPO ADVISORY CORP |