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Yorktown X Co LP

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13F filer, CIK 1688467, NEW YORK, NY

Yorktown X Co LP filed a 13F-NT notice for the quarter ended 2026-06-30 on 2026-08-14.

Filed (acceptance time not in the bulk data set), ingested 13F-NT 0001140361-26-033069

This filer reports no holdings of its own for Q2 2026. It filed a 13F-NT notice, and its holdings are in the report of . How notices are handled.

Changes against Q1 2026 are not shown: it was a notice, with the holdings in another manager's report (0 positions on file), so every position would read as new.

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).

FilingRoleAmendmentFiledAcceptedIngested
13F-NT 0001140361-26-033069 notice2026-08-14acceptance 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.

FilingSubjectFiledAcceptedIngested
13F-NT 0001140361-26-033069 Quarter ended 2026-06-302026-08-14acceptance time not in the bulk data set
13F-NT 0001140361-26-021712 Quarter ended 2026-03-312026-05-15acceptance time not in the bulk data set
13F-NT 0001140361-26-005791 Quarter ended 2025-12-312026-02-17acceptance time not in the bulk data set
13F-NT 0001140361-25-042329 Quarter ended 2025-09-302025-11-14acceptance time not in the bulk data set
13F-NT 0001140361-25-031227 Quarter ended 2025-06-302025-08-14acceptance time not in the bulk data set
13F-NT 0001011438-25-000299 Quarter ended 2025-03-312025-05-15acceptance time not in the bulk data set
13F-NT 0001011438-25-000164 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set
13F-NT 0001011438-24-000629 Quarter ended 2024-09-302024-11-13acceptance time not in the bulk data set
13F-NT 0001011438-24-000440 Quarter ended 2024-06-302024-08-13acceptance time not in the bulk data set
13F-NT 0001011438-24-000371 Quarter ended 2024-03-312024-05-15acceptance time not in the bulk data set
13F-NT 0001011438-24-000206 Quarter ended 2023-12-312024-02-14acceptance time not in the bulk data set
13F-NT 0001011438-23-000630 Quarter ended 2023-09-302023-11-14acceptance time not in the bulk data set
13F-NT 0001011438-23-000541 Quarter ended 2023-06-302023-08-14acceptance time not in the bulk data set
13F-NT 0001011438-23-000385 Quarter ended 2023-03-312023-05-12acceptance time not in the bulk data set
13F-NT 0001011438-23-000266 Quarter ended 2022-12-312023-02-14acceptance time not in the bulk data set
13F-NT 0001567619-22-020058 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-NT 0000947871-22-000861 Quarter ended 2022-06-302022-08-11acceptance time not in the bulk data set
13F-NT 0000947871-22-000587 Quarter ended 2022-03-312022-05-16acceptance time not in the bulk data set
13F-NT 0000947871-22-000247 Quarter ended 2021-12-312022-02-14acceptance time not in the bulk data set
13F-NT 0000947871-21-001188 Quarter ended 2021-09-302021-11-15acceptance time not in the bulk data set
13F-NT 0000947871-21-000929 Quarter ended 2021-06-302021-08-16acceptance time not in the bulk data set
13F-NT 0000947871-21-000557 Quarter ended 2021-03-312021-05-17acceptance time not in the bulk data set
13F-NT 0000947871-21-000218 Quarter ended 2020-12-312021-02-16acceptance time not in the bulk data set
13F-NT 0000947871-20-000890 Quarter ended 2020-09-302020-11-16acceptance time not in the bulk data set
13F-NT 0001567619-20-015425 Quarter ended 2020-06-302020-08-14acceptance time not in the bulk data set
13F-NT 0001567619-20-010588 Quarter ended 2020-03-312020-05-15acceptance time not in the bulk data set
13F-NT 0001567619-20-004075 Quarter ended 2019-12-312020-02-14acceptance time not in the bulk data set
13F-NT 0001140361-19-020609 Quarter ended 2019-09-302019-11-14acceptance time not in the bulk data set
13F-NT 0000950123-19-008428 Quarter ended 2019-06-302019-08-14acceptance time not in the bulk data set
13F-NT 0000950123-19-005518 Quarter ended 2019-03-312019-05-15acceptance time not in the bulk data set
13F-NT 0000950123-19-002327 Quarter ended 2018-12-312019-02-14acceptance time not in the bulk data set
13F-NT 0000950123-18-011956 Quarter ended 2018-09-302018-11-14acceptance time not in the bulk data set
13F-NT 0000950123-18-008825 Quarter ended 2018-06-302018-08-14acceptance time not in the bulk data set
13F-NT 0000950123-18-005468 Quarter ended 2018-03-312018-05-15acceptance time not in the bulk data set
13F-NT 0000950123-18-002205 Quarter ended 2017-12-312018-02-14acceptance time not in the bulk data set
13F-NT 0000950123-17-010756 Quarter ended 2017-09-302017-11-14acceptance time not in the bulk data set
13F-NT 0000950123-17-007838 Quarter ended 2017-06-302017-08-14acceptance time not in the bulk data set
13F-NT 0000950123-17-005374 Quarter ended 2017-03-312017-05-15acceptance time not in the bulk data set
13F-NT 0000950123-17-002243 Quarter ended 2016-12-312017-02-14acceptance time not in the bulk data set