Yorktown Energy Partners X, L.P.

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 15, 2024), Yorktown Energy Partners X, L.P. reported 4 stock positions worth $85.5 million. Its top holding was Ramaco Resources Class A (METC) at 62.9% of the portfolio, followed by Riley Exploration Permian (REPX, 15.1%) and Sitio Royalties Class A (STR, 11.5%). Compared with Q4 2023, it added to 1. The biggest buy was Sitio Royalties Class A (STR, shares +83%).

Most Recent 13F
Q2 2026
Location
New York, NY
CIK
0001577919
Portfolio Value
$85.5M (Q1 2024)
SEC Filing
0001011438-24-000369 ↗ filed May 15, 2024

Holdings Value

0$50.0M$100.0M$150.0M Q1 2024: $85.5M $85.5M Q1 2024 Q2 2024: $58.6M Q2 2024 Q3 2024: $55.4M Q3 2024 Q4 2024: $52.3M Q4 2024 Q1 2025: $40.3M Q1 2025 Q2 2025: $55.3M Q2 2025 Q3 2025: $107.4M Q3 2025 Q4 2025: $77.4M Q4 2025 Q1 2026: $69.5M Q1 2026 Q2 2026: $47.6M Q2 2026

Holdings 4 stocks · $85.5M

METC Ramaco Resources Inc. Class A 62.95% 3,196,199 $53.8M No change
REPX Riley Exploration Permian Inc. 15.09% 390,860 $12.9M No change
STR Sitio Royalties Corp. Class A 11.50% 397,698 $9.8M Add +82.5%
METCB Ramaco Resources Inc. Class B 10.47% 713,193 $9.0M No change

Portfolio Sells Q4 2023 → Q1 2024

None this quarter.

Portfolio Buys Q4 2023 → Q1 2024

STR Sitio Royalties Corp. Class A Add +82.5% 11.50% +5.11

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 3$47.6MMETC, EPSN, METCB
Q1 2026 4$69.5MMETC, EPSN, REPX, METCB
Q4 2025 4$77.4MMETC, EPSN, REPX, METCB
Q3 2025 3$107.4MMETC, METCB, REPX
Q2 2025 3$55.3MMETC, REPX, METCB
Q1 2025 3$40.3MMETC, REPX, METCB
Q4 2024 3$52.3MMETC, REPX, METCB
Q3 2024 3$55.4MMETC, REPX, METCB
Q2 2024 3$58.6MMETC, REPX, METCB
Q1 2024 4$85.5MMETC, REPX, STR, METCB