Yorktown Energy Partners X, L.P.
Follow13F filer, CIK 1577919, New York, NY
Yorktown Energy Partners X, L.P. reported $47,583,355 across 3 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001140361-26-033067
- Period
- 2026-06-30
- Reported value
- $47.6M
- Holdings
- 3
- Top 10 weight
- 100%
- New
- 0
- Sold out
- 1
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| METCBadded | +9,900 | $84.6K |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Largest sells vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| REPXexited | -390,860 | -$14.2M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Holdings, Q2 2026
Share positions as resolved from 13F-HR 0001140361-26-033067, largest first. % of portfolio is the value over $47,583,355, the sum of the share positions whose value is usable for ratios (method).
Sold out in Q2 2026
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| REPXRILEY EXPLORATION PERMIAN IN | 390,860 | $14.2M | shares |
How Q2 2026 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001140361-26-033067 | base | 2026-08-14 | acceptance time not in the bulk data set |
Filings
Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.
| Filing | Subject | Filed | Accepted | Ingested |
|---|---|---|---|---|
| 13F-HR 0001140361-26-033067 | Quarter ended 2026-06-30 | 2026-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-26-021709 | Quarter ended 2026-03-31 | 2026-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-26-005790 | Quarter ended 2025-12-31 | 2026-02-17 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-25-042330 | Quarter ended 2025-09-30 | 2025-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-25-031278 | Quarter ended 2025-06-30 | 2025-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001011438-25-000297 | Quarter ended 2025-03-31 | 2025-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001011438-25-000162 | Quarter ended 2024-12-31 | 2025-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001011438-24-000627 | Quarter ended 2024-09-30 | 2024-11-13 | acceptance time not in the bulk data set | |
| 13F-HR 0001011438-24-000438 | Quarter ended 2024-06-30 | 2024-08-13 | acceptance time not in the bulk data set | |
| 13F-HR 0001011438-24-000369 | Quarter ended 2024-03-31 | 2024-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001011438-24-000204 | Quarter ended 2023-12-31 | 2024-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001011438-23-000628 | Quarter ended 2023-09-30 | 2023-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001011438-23-000539 | Quarter ended 2023-06-30 | 2023-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001011438-23-000383 | Quarter ended 2023-03-31 | 2023-05-12 | acceptance time not in the bulk data set | |
| 13F-HR 0001011438-23-000264 | Quarter ended 2022-12-31 | 2023-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001567619-22-020013 | Quarter ended 2022-09-30 | 2022-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0000947871-22-000858 | Quarter ended 2022-06-30 | 2022-08-11 | acceptance time not in the bulk data set | |
| 13F-HR 0000947871-22-000577 | Quarter ended 2022-03-31 | 2022-05-16 | acceptance time not in the bulk data set | |
| 13F-HR 0000947871-22-000235 | Quarter ended 2021-12-31 | 2022-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0000947871-21-001185 | Quarter ended 2021-09-30 | 2021-11-15 | acceptance time not in the bulk data set | |
| 13F-HR 0000947871-21-000921 | Quarter ended 2021-06-30 | 2021-08-16 | acceptance time not in the bulk data set | |
| 13F-HR 0000947871-21-000545 | Quarter ended 2021-03-31 | 2021-05-17 | acceptance time not in the bulk data set | |
| 13F-HR 0000947871-21-000205 | Quarter ended 2020-12-31 | 2021-02-16 | acceptance time not in the bulk data set | |
| 13F-HR 0000947871-20-000882 | Quarter ended 2020-09-30 | 2020-11-16 | acceptance time not in the bulk data set | |
| 13F-HR 0001567619-20-015378 | Quarter ended 2020-06-30 | 2020-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001567619-20-010464 | Quarter ended 2020-03-31 | 2020-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001567619-20-004092 | Quarter ended 2019-12-31 | 2020-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-19-020598 | Quarter ended 2019-09-30 | 2019-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0000950123-19-008430 | Quarter ended 2019-06-30 | 2019-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0000950123-19-005502 | Quarter ended 2019-03-31 | 2019-05-15 | acceptance time not in the bulk data set | |
| 13F-HR/A 0000950123-19-002377 | Quarter ended 2018-12-31 | 2019-02-15 | acceptance time not in the bulk data set | |
| 13F-HR 0000950123-19-002283 | Quarter ended 2018-12-31 | 2019-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0000950123-18-011912 | Quarter ended 2018-09-30 | 2018-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0000950123-18-008964 | Quarter ended 2018-06-30 | 2018-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0000950123-18-005450 | Quarter ended 2018-03-31 | 2018-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0000950123-18-002195 | Quarter ended 2017-12-31 | 2018-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0000950123-17-010752 | Quarter ended 2017-09-30 | 2017-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0000950123-17-007824 | Quarter ended 2017-06-30 | 2017-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0000950123-17-005388 | Quarter ended 2017-03-31 | 2017-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0000950123-17-002237 | Quarter ended 2016-12-31 | 2017-02-14 | acceptance time not in the bulk data set |