Yorktown Energy Partners X, L.P.
Long book
$69.5M
Q1 2026
Positions
4
Top-10 weight
100%
concentration
Last quarter
-14.6%
SPY +14.8%
Turnover
0%
of book per quarter
Strategy in plain words
auto-generated from filingsYorktown Energy Partners X, L.P. is a diversified fundamental manager, running a $69.5M US long book across 4 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: RAMACO RESOURCES INC-A, EPSILON ENERGY LTD, RILEY EXPLORATION PERMIAN IN, RAMACO RESOURCES INC-B.
Over the last 9 quarters its long book ran on average 1.7pp per quarter ahead of the S&P 500, beating the index in 3 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-21.4%
Q2 2024
-4.2%
Q3 2024
-4.4%
Q4 2024
-17.1%
Q1 2025
+35.4%
Q2 2025
+119.9%
Q3 2025
-39.4%
Q4 2025
+1.1%
Q1 2026
-14.6%
Sector allocation
Materials 56%
Energy 44%
Long book by quarter
What does Yorktown Energy own?
Q1 2026 13F13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 4 | $69.5M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 4 | $77.4M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 3 | $107.4M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 3 | $55.3M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 3 | $40.3M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 3 | $52.3M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 13, 2024 | 3 | $55.4M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 13, 2024 | 3 | $58.6M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 4 | $85.5M | canonical | SEC ↗ |
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