| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 13F-HR/A | Open Document | Open Filing | Apr 10, 2018 | Mar 31, 2018 | 028-17538 | |
| 13F-HR | Open Document | Open Filing | Apr 9, 2018 | Mar 31, 2018 | 028-17538 | |
| 13F-HR | Open Document | Open Filing | Jan 11, 2018 | Dec 31, 2017 | 028-17538 | |
| 13F-HR | Open Document | Open Filing | Oct 10, 2017 | Sep 30, 2017 | 028-17538 | |
| 13F-HR | Open Document | Open Filing | Jul 12, 2017 | Jun 30, 2017 | 028-17538 | |
| 13F-HR/A | Open Document | Open Filing | Jun 21, 2017 | Mar 31, 2017 | 028-17538 | |
| 13F-HR | Open Document | Open Filing | Apr 17, 2017 | Mar 31, 2017 | 028-17538 | |
| 13F-HR | Open Document | Open Filing | Feb 6, 2017 | Dec 31, 2016 | 028-17538 | |
| 13F-HR | Open Document | Open Filing | Oct 26, 2016 | Sep 30, 2016 | 028-17538 |