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YORKTOWN ENERGY PARTNERS IX, L.P.

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13F filer, CIK 1503466, NEW YORK, NY

YORKTOWN ENERGY PARTNERS IX, L.P. reported $75,744,295 across 3 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-17.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001140361-26-005795

Period
2025-12-31
Reported value
$75.7M
Holdings
3
Top 10 weight
100%
New
1
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
EPSNnew+1,181,124$5.48M
METCBadded+17,040$200K

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

None.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0001140361-26-005795, largest first. % of portfolio is the value over $75,744,295, 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; 2024Q1: restricted; 2024Q2: restricted; 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 3,097,134$55.7M73.6%0Timeline
METCBRAMACO RES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 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 1,235,359$14.5M19.16%+17,040Timeline
EPSNEPSILON ENERGY LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 1,181,124 shares 1,181,124$5.48M7.24%newTimeline

How Q4 2025 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 0001140361-26-005795 base2026-02-17acceptance time not in the bulk data set