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Yorktown X Associates LLC

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13F filer, CIK 1687161, New York, NY

Yorktown X Associates LLC 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 0001140361-26-033068

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 0001140361-26-033068 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 0001140361-26-033068 Quarter ended 2026-06-302026-08-14acceptance time not in the bulk data set
13F-NT 0001140361-26-021706 Quarter ended 2026-03-312026-05-15acceptance time not in the bulk data set
13F-NT 0001140361-26-005792 Quarter ended 2025-12-312026-02-17acceptance time not in the bulk data set
13F-NT 0001140361-25-042328 Quarter ended 2025-09-302025-11-14acceptance time not in the bulk data set
13F-NT 0001140361-25-031283 Quarter ended 2025-06-302025-08-14acceptance time not in the bulk data set
13F-NT 0001011438-25-000298 Quarter ended 2025-03-312025-05-15acceptance time not in the bulk data set
13F-NT 0001011438-25-000163 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set
13F-NT 0001011438-24-000628 Quarter ended 2024-09-302024-11-13acceptance time not in the bulk data set
13F-NT 0001011438-24-000439 Quarter ended 2024-06-302024-08-13acceptance time not in the bulk data set
13F-NT 0001011438-24-000370 Quarter ended 2024-03-312024-05-15acceptance time not in the bulk data set
13F-NT 0001011438-24-000205 Quarter ended 2023-12-312024-02-14acceptance time not in the bulk data set
13F-NT 0001011438-23-000629 Quarter ended 2023-09-302023-11-14acceptance time not in the bulk data set
13F-NT 0001011438-23-000540 Quarter ended 2023-06-302023-08-14acceptance time not in the bulk data set
13F-NT 0001011438-23-000384 Quarter ended 2023-03-312023-05-12acceptance time not in the bulk data set
13F-NT 0001011438-23-000265 Quarter ended 2022-12-312023-02-14acceptance time not in the bulk data set
13F-NT 0001567619-22-020050 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-NT 0000947871-22-000864 Quarter ended 2022-06-302022-08-11acceptance time not in the bulk data set
13F-NT 0000947871-22-000586 Quarter ended 2022-03-312022-05-16acceptance time not in the bulk data set
13F-NT 0000947871-22-000246 Quarter ended 2021-12-312022-02-14acceptance time not in the bulk data set
13F-NT 0000947871-21-001198 Quarter ended 2021-09-302021-11-15acceptance time not in the bulk data set
13F-NT 0000947871-21-000935 Quarter ended 2021-06-302021-08-16acceptance time not in the bulk data set
13F-NT 0000947871-21-000555 Quarter ended 2021-03-312021-05-17acceptance time not in the bulk data set
13F-NT 0000947871-21-000217 Quarter ended 2020-12-312021-02-16acceptance time not in the bulk data set
13F-NT 0000947871-20-000889 Quarter ended 2020-09-302020-11-16acceptance time not in the bulk data set
13F-NT 0001567619-20-015408 Quarter ended 2020-06-302020-08-14acceptance time not in the bulk data set
13F-NT 0001567619-20-010584 Quarter ended 2020-03-312020-05-15acceptance time not in the bulk data set
13F-NT 0001567619-20-004084 Quarter ended 2019-12-312020-02-14acceptance time not in the bulk data set
13F-NT 0001140361-19-020608 Quarter ended 2019-09-302019-11-14acceptance time not in the bulk data set
13F-NT 0000950123-19-008392 Quarter ended 2019-06-302019-08-14acceptance time not in the bulk data set
13F-NT 0000950123-19-005509 Quarter ended 2019-03-312019-05-15acceptance time not in the bulk data set
13F-NT 0000950123-19-002330 Quarter ended 2018-12-312019-02-14acceptance time not in the bulk data set
13F-NT 0000950123-18-011955 Quarter ended 2018-09-302018-11-14acceptance time not in the bulk data set
13F-NT 0000950123-18-008838 Quarter ended 2018-06-302018-08-14acceptance time not in the bulk data set
13F-NT 0000950123-18-005462 Quarter ended 2018-03-312018-05-15acceptance time not in the bulk data set
13F-NT 0000950123-18-002348 Quarter ended 2017-12-312018-02-14acceptance time not in the bulk data set
13F-NT 0000950123-17-010772 Quarter ended 2017-09-302017-11-14acceptance time not in the bulk data set
13F-NT 0000950123-17-007802 Quarter ended 2017-06-302017-08-14acceptance time not in the bulk data set
13F-NT 0000950123-17-005391 Quarter ended 2017-03-312017-05-15acceptance time not in the bulk data set
13F-NT 0000950123-17-002251 Quarter ended 2016-12-312017-02-14acceptance time not in the bulk data set