Skip to content
Disclosery

Yorktown Energy Partners X, L.P.

Follow

13F filer, CIK 1577919, New York, NY

Yorktown Energy Partners X, L.P. reported $69,494,309 across 4 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001140361-26-021709

Period
2026-03-31
Reported value
$69.5M
Holdings
4
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

None.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
METCreduced-533,284-$8.24M
METCBreduced-1,265-$12.9K

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, Q1 2026

Share positions as resolved from 13F-HR 0001140361-26-021709, largest first. % of portfolio is the value over $69,494,309, 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; 2024Q2: restricted; 2024Q3: 3,196,199 shares; 2024Q4: 3,196,199 shares; 2025Q1: 2,929,557 shares; 2025Q2: 2,929,557 shares; 2025Q3: 2,502,930 shares; 2025Q4: 2,502,930 shares; 2026Q1: 1,969,646 shares 1,969,646$30.5M43.82%-533,284Timeline
EPSNEPSILON ENERGY LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 2,656,705 shares; 2026Q1: 2,656,705 shares 2,656,705$16.4M23.55%0Timeline
REPXRILEY EXPLORATION PERMIAN INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 390,860 shares; 2024Q4: 390,860 shares; 2025Q1: 390,860 shares; 2025Q2: 390,860 shares; 2025Q3: 390,860 shares; 2025Q4: 390,860 shares; 2026Q1: 390,860 shares 390,860$14.2M20.5%0Timeline
METCBRAMACO RES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 713,193 shares; 2024Q4: 713,193 shares; 2025Q1: 668,723 shares; 2025Q2: 806,465 shares; 2025Q3: 816,132 shares; 2025Q4: 827,876 shares; 2026Q1: 826,611 shares 826,611$8.43M12.13%-1,265Timeline

How Q1 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 0001140361-26-021709 base2026-05-15acceptance time not in the bulk data set