Yorktown Energy Partners IX, L.P.

CIK 0001503466 · NEW YORK, NY · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source ↗

Yorktown Energy Partners IX, L.P. reported 3 positions worth $36.1M as of June 30, 2026 (13F filed August 14, 2026). Largest holding: METC (52.7%).

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

$36.1M

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

3 positions shown

#	Symbol	Company	Type	Value ↓	% Port.	Shares	1Y	YTD
▸ 1	METC	Ramaco Resources Inc	SH	$19.0M	52.70%	1,437,247	—	—
▸ 2	METCB	Ramaco Resources Inc	SH	$10.7M	29.59%	1,248,736	—	—
▸ 3	EPSN	Epsilon Energy LTD	SH	$6.4M	17.71%	1,181,124	—	—

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

Frequently Asked Questions

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

Yorktown Energy Partners IX, L.P. reported 3 positions worth $36.1M in its Q2 2026 13F filing. Largest positions: METC (52.7%), METCB (29.6%) and EPSN (17.7%).

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

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

What did Yorktown Energy Partners IX, 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.