Yorktown Energy Partners XI, L.P.

CIK 0001667954 · NEW YORK, NY · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source ↗

Yorktown Energy Partners XI, L.P. reported 4 positions worth $108.1M as of June 30, 2026 (13F filed August 14, 2026). Largest holding: REPX (39.2%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.

$108.1M

2026 Q2

Positions

Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.

100.0%

Est. Net Flow (Q)

—

2026 Q2

Positions Changes Mix History BacktestPRO

4 positions shown

#	Symbol	Company	Type	Value ↓	% Port.	Shares	1Y	YTD
▸ 1	REPX	Riley Exploration Permian	SH	$42.3M	39.16%	1,284,113	—	—
▸ 2	METC	Ramaco Resources Inc	SH	$39.4M	36.47%	2,979,968	—	—
▸ 3	EPSN	Epsilon Energy Ltd	SH	$15.5M	14.36%	2,869,560	—	—
▸ 4	METCB	Ramaco Resources Inc	SH	$10.8M	10.01%	1,265,591	—	—

Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does Yorktown Energy Partners XI, L.P. hold as of Q2 2026?

Yorktown Energy Partners XI, L.P. reported 4 positions worth $108.1M in its Q2 2026 13F filing. Largest positions: REPX (39.2%), METC (36.5%), EPSN (14.4%) and METCB (10.0%).

What did Yorktown Energy Partners XI, L.P. buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did Yorktown Energy Partners XI, L.P. sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.