Yorktown Energy Partners XI, L.P.

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Institutional

CIK 0001667954

$141.5M

Reported AUM

Positions

Q1 2026

Period

2026-05-15

Filed

The Brief · Yorktown Energy Partners XI, L.P. · Q1 2026

AI · grounded in 13F

Yorktown Energy Partners XI, L.P. trimmed its position in METC by 21.31%. The fund also reduced its holding in METCB by 0.15%. Additionally, the fund accumulated shares of EPSN, increasing its position by 3.24%.

Portfolio · Q1 2026

Top holdings

QoQ vs Q4 2025

#	Ticker	Issuer	Value	% of book	Δ shares (QoQ)	Status
1	REPX	Riley Exploration Permain	$65.0M	45.95%	—	HELD
2	METC	Ramaco Resources Inc	$46.1M	32.55%	-806,829	-21.3%
3	EPSN	Epsilon Energy Ltd	$17.7M	12.49%	+90,117	+3.2%
4	METCB	Ramaco Resources Inc	$12.8M	9.01%	-1,914	-0.2%

Source: SEC EDGAR · accession 0001140361-26-021707. 13F discloses long positions only — shorts, foreign equities, and options are excluded.