Yorktown Energy Partners X, L.P. Long-Term Concentrated

Location: New York, NY

CIK: 0001577919 · Show all filings

Period: Q1 2026 (← Previous)

Filing Date: May 15, 2026

Total Value: $69.49M (100.0% shares, 0.0% debt)

Holdings (4)

Decreased Positions (1)

METC Ramaco Resources Inc 43.8%

Value $30.45M (-32.4%) Shares 1,969,646 (-21.3%) Est. Cost — Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
METC	Ramaco Resources Inc	1,969,646 (-21.3%)	$30.45M (-32.4%)	43.8%	—	—	COM CL A	75134P600

Unchanged Positions (3)

EPSN Epsilon Energy Ltd 23.5%

Value $16.37M Shares 2,656,705 Est. Cost — Unrealized —

REPX Riley Exploration Permian Inc 20.5%

Value $14.25M Shares 390,860 Est. Cost — Unrealized —

METCB Ramaco Resources Inc 12.1%

Value $8.431M Shares 826,611 Est. Cost — Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
EPSN	Epsilon Energy Ltd	2,656,705	$16.37M	23.5%	—	—	COM	294375209
REPX	Riley Exploration Permian Inc	390,860	$14.25M	20.5%	—	—	COM	76665T102
METCB	Ramaco Resources Inc	826,611	$8.431M	12.1%	—	—	COM CL B	75134P501