Yorktown Energy Partners XI, L.P. - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on February 17, 2026, for the 2025 Q4 period, Yorktown Energy Partners XI, L.P. held in its portfolio 4 assets valued at $142,876,737 (i.e. $142.88M).

The most valuable assets in the portfolio included: Ramaco Resources Inc ($68.16M), Riley Exploration Permain ($47.10M), and Ramaco Resources Inc ($14.72M).

The chart below shows the top 4 valuable assets, and the table below shows the top 4 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.

Data Source: SEC.

Top Valuable Stocks in Yorktown Energy Partners XI, L.P. Portfolio

Ramaco Resources Inc

Riley Exploration Permain

Ramaco Resources Inc

Epsilon Energy Ltd

Yorktown Energy Partners XI, L.P. - Stock Holdings in 13F Filings (SEC)

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Name of Issuer	No. of Shares	Value ($)	Class
Ramaco Resources Inc	3786797	68162346	COM CL A
Riley Exploration Permain	1784113	47100583	COM
Ramaco Resources Inc	1252527	14717192	COM CL B
Epsilon Energy Ltd	2779443	12896616	COM