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Disclosery

YORKTOWN ENERGY PARTNERS IX, L.P.

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13F filer, CIK 1503466, NEW YORK, NY

YORKTOWN ENERGY PARTNERS IX, L.P. reported $36,081,353 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 0001140361-26-033064

Period
2026-06-30
Reported value
$36.1M
Holdings
3
Top 10 weight
100%
New
0
Sold out
0

Part of the filer group Yorktown Energy Partners XI, L.P.

How groups are built

Largest buys vs the previous quarter

SecurityShares changeApprox. value
METCBadded+14,778$126K

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

SecurityShares changeApprox. value
METCreduced-1,000,000-$13.2M

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 0001140361-26-033064, largest first. % of portfolio is the value over $36,081,353, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
METCRAMACO RES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 4,854,987 shares; 2024Q4: 3,954,987 shares; 2025Q1: 3,625,044 shares; 2025Q2: 3,625,044 shares; 2025Q3: 3,097,134 shares; 2025Q4: 3,097,134 shares; 2026Q1: 2,437,247 shares; 2026Q2: 1,437,247 shares 1,437,247$19M52.7%-1,000,000Timeline
METCBRAMACO RES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 1,083,332 shares; 2024Q4: 1,083,332 shares; 2025Q1: 1,015,775 shares; 2025Q2: 1,204,053 shares; 2025Q3: 1,218,319 shares; 2025Q4: 1,235,359 shares; 2026Q1: 1,233,958 shares; 2026Q2: 1,248,736 shares 1,248,736$10.7M29.59%+14,778Timeline
EPSNEPSILON ENERGY LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 1,181,124 shares; 2026Q1: 1,181,124 shares; 2026Q2: 1,181,124 shares 1,181,124$6.39M17.71%0Timeline

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-HR 0001140361-26-033064 base2026-08-14acceptance 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-HR 0001140361-26-033064 Quarter ended 2026-06-302026-08-14acceptance time not in the bulk data set
13F-HR 0001140361-26-021705 Quarter ended 2026-03-312026-05-15acceptance time not in the bulk data set
13F-HR 0001140361-26-005795 Quarter ended 2025-12-312026-02-17acceptance time not in the bulk data set
13F-HR 0001140361-25-042324 Quarter ended 2025-09-302025-11-14acceptance time not in the bulk data set
13F-HR 0001140361-25-031280 Quarter ended 2025-06-302025-08-14acceptance time not in the bulk data set
13F-HR 0001011438-25-000294 Quarter ended 2025-03-312025-05-15acceptance time not in the bulk data set
13F-HR 0001011438-25-000159 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set
13F-HR 0001011438-24-000624 Quarter ended 2024-09-302024-11-13acceptance time not in the bulk data set
13F-HR 0001011438-24-000435 Quarter ended 2024-06-302024-08-13acceptance time not in the bulk data set
13F-HR 0001011438-24-000372 Quarter ended 2024-03-312024-05-15acceptance time not in the bulk data set
13F-HR 0001011438-24-000201 Quarter ended 2023-12-312024-02-14acceptance time not in the bulk data set
13F-HR 0001011438-23-000631 Quarter ended 2023-09-302023-11-14acceptance time not in the bulk data set
13F-HR 0001011438-23-000536 Quarter ended 2023-06-302023-08-14acceptance time not in the bulk data set
13F-HR 0001011438-23-000389 Quarter ended 2023-03-312023-05-12acceptance time not in the bulk data set
13F-HR 0001011438-23-000267 Quarter ended 2022-12-312023-02-14acceptance time not in the bulk data set
13F-HR 0001567619-22-020005 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-HR 0000947871-22-000853 Quarter ended 2022-06-302022-08-11acceptance time not in the bulk data set
13F-HR 0000947871-22-000576 Quarter ended 2022-03-312022-05-16acceptance time not in the bulk data set
13F-HR 0000947871-22-000234 Quarter ended 2021-12-312022-02-14acceptance time not in the bulk data set
13F-HR 0000947871-21-001184 Quarter ended 2021-09-302021-11-15acceptance time not in the bulk data set
13F-HR 0000947871-21-000919 Quarter ended 2021-06-302021-08-16acceptance time not in the bulk data set
13F-HR 0000947871-21-000544 Quarter ended 2021-03-312021-05-17acceptance time not in the bulk data set
13F-HR 0000947871-21-000204 Quarter ended 2020-12-312021-02-16acceptance time not in the bulk data set
13F-HR 0000947871-20-000879 Quarter ended 2020-09-302020-11-16acceptance time not in the bulk data set
13F-HR 0001567619-20-015377 Quarter ended 2020-06-302020-08-14acceptance time not in the bulk data set
13F-HR 0001567619-20-010449 Quarter ended 2020-03-312020-05-15acceptance time not in the bulk data set
13F-HR 0001567619-20-004102 Quarter ended 2019-12-312020-02-14acceptance time not in the bulk data set
13F-HR 0001140361-19-020594 Quarter ended 2019-09-302019-11-14acceptance time not in the bulk data set
13F-HR 0000950123-19-008342 Quarter ended 2019-06-302019-08-14acceptance time not in the bulk data set
13F-HR 0000950123-19-005493 Quarter ended 2019-03-312019-05-15acceptance time not in the bulk data set
13F-HR 0000950123-19-002319 Quarter ended 2018-12-312019-02-14acceptance time not in the bulk data set
13F-HR 0000950123-18-011882 Quarter ended 2018-09-302018-11-14acceptance time not in the bulk data set
13F-HR 0000950123-18-008876 Quarter ended 2018-06-302018-08-14acceptance time not in the bulk data set
13F-HR 0000950123-18-005451 Quarter ended 2018-03-312018-05-15acceptance time not in the bulk data set
13F-HR 0000950123-18-002237 Quarter ended 2017-12-312018-02-14acceptance time not in the bulk data set
13F-HR 0000950123-17-010787 Quarter ended 2017-09-302017-11-14acceptance time not in the bulk data set
13F-HR 0000950123-17-007793 Quarter ended 2017-06-302017-08-14acceptance time not in the bulk data set
13F-HR 0000950123-17-005375 Quarter ended 2017-03-312017-05-15acceptance time not in the bulk data set
13F-HR 0000950123-17-002354 Quarter ended 2016-12-312017-02-14acceptance time not in the bulk data set