| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 13F-HR | Open Document | Open Filing | Nov 14, 2025 | Sep 30, 2025 | 028-15287 | |
| SCHEDULE 13G | Open Document | Open Filing | Sep 10, 2025 | |||
| N-PX | Open Document | Open Filing | Aug 29, 2025 | Jun 30, 2025 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Aug 14, 2025 | Jun 30, 2025 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | May 15, 2025 | Mar 31, 2025 | 028-15287 | |
| 13F-HR/A | Open Document | Open Filing | Feb 21, 2025 | Dec 31, 2024 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Feb 14, 2025 | Dec 31, 2024 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Nov 14, 2024 | Sep 30, 2024 | 028-15287 | |
| N-PX | Open Document | Open Filing | Aug 29, 2024 | Jun 30, 2024 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Aug 14, 2024 | Jun 30, 2024 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | May 15, 2024 | Mar 31, 2024 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Feb 14, 2024 | Dec 31, 2023 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Nov 14, 2023 | Sep 30, 2023 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Aug 14, 2023 | Jun 30, 2023 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | May 15, 2023 | Mar 31, 2023 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Feb 14, 2023 | Dec 31, 2022 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Nov 14, 2022 | Sep 30, 2022 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Aug 15, 2022 | Jun 30, 2022 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | May 16, 2022 | Mar 31, 2022 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Feb 14, 2022 | Dec 31, 2021 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Nov 15, 2021 | Sep 30, 2021 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Aug 16, 2021 | Jun 30, 2021 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | May 17, 2021 | Mar 31, 2021 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Feb 12, 2021 | Dec 31, 2020 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Nov 13, 2020 | Sep 30, 2020 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Aug 14, 2020 | Jun 30, 2020 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | May 15, 2020 | Mar 31, 2020 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Feb 12, 2020 | Dec 31, 2019 | 028-15287 | |
| SC 13G/A | Open Document | Open Filing | CORENERGY INFRASTRUCTURE TRUST, INC. | Feb 3, 2020 | ||
| 13F-HR | Open Document | Open Filing | Nov 14, 2019 | Sep 30, 2019 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Aug 14, 2019 | Jun 30, 2019 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | May 15, 2019 | Mar 31, 2019 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Feb 14, 2019 | Dec 31, 2018 | 028-15287 | |
| SC 13G/A | Open Document | Open Filing | CORENERGY INFRASTRUCTURE TRUST, INC. | Jan 23, 2019 | ||
| SC 13G | Open Document | Open Filing | CORENERGY INFRASTRUCTURE TRUST, INC | Dec 19, 2018 | ||
| 13F-HR | Open Document | Open Filing | Nov 14, 2018 | Sep 30, 2018 | 028-15287 | |
| 13F-HR/A | Open Document | Open Filing | Aug 14, 2018 | Jun 30, 2018 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Aug 14, 2018 | Jun 30, 2018 | 028-15287 | |
| 13F-HR/A | Open Document | Open Filing | May 15, 2018 | Sep 30, 2017 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | May 15, 2018 | Mar 31, 2018 | 028-15287 | |
| 13F-HR/A | Open Document | Open Filing | May 15, 2018 | Dec 31, 2017 | 028-15287 | |
| SC 13G/A | Open Document | Open Filing | IMMUNOGEN, INC. | Feb 14, 2018 | ||
| 13F-HR | Open Document | Open Filing | Feb 14, 2018 | Dec 31, 2017 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Nov 14, 2017 | Sep 30, 2017 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Aug 14, 2017 | Jun 30, 2017 | 028-15287 | |
| SC 13G | Open Document | Open Filing | IMMUNOGEN, INC | Aug 7, 2017 | ||
| 13F-HR | Open Document | Open Filing | May 15, 2017 | Mar 31, 2017 | 028-15287 | |
| SC 13G/A | Open Document | Open Filing | SYNERGY PHARMACEUTICALS, INC. | Feb 13, 2017 | ||
| 13F-HR | Open Document | Open Filing | Feb 13, 2017 | Dec 31, 2016 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Nov 14, 2016 | Sep 30, 2016 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Aug 15, 2016 | Jun 30, 2016 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | May 13, 2016 | Mar 31, 2016 | 028-15287 | |
| 13F-HR/A | Open Document | Open Filing | Feb 19, 2016 | Dec 31, 2015 | 028-15287 | |
| SC 13G/A | Open Document | Open Filing | POLYGON MANAGEMENT LTD. | Feb 12, 2016 | ||
| SC 13G/A | Open Document | Open Filing | POLYGON MANAGEMENT LTD. | Feb 12, 2016 | ||
| 13F-HR | Open Document | Open Filing | Feb 12, 2016 | Dec 31, 2015 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Nov 13, 2015 | Sep 30, 2015 | 028-15287 | |
| SC 13G | Open Document | Open Filing | POLYGON MANAGEMENT LTD. | Oct 9, 2015 | ||
| 13F-HR | Open Document | Open Filing | Aug 13, 2015 | Jun 30, 2015 | 028-15287 | |
| SC 13G | Open Document | Open Filing | SC 13G | Aug 3, 2015 | ||
| 13F-HR | Open Document | Open Filing | May 14, 2015 | Mar 31, 2015 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Feb 13, 2015 | Dec 31, 2014 | 028-15287 | |
| 13F-HR/A | Open Document | Open Filing | Feb 12, 2015 | Sep 30, 2014 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Nov 13, 2014 | Sep 30, 2014 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Aug 13, 2014 | Jun 30, 2014 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | May 14, 2014 | Mar 31, 2014 | 028-15287 | |
| 13F-HR | Open Document | Open Filing | Feb 14, 2014 | Dec 31, 2013 | 028-15287 |