Yorktown Energy Partners XI, L.P.
Long book
$141.5M
Q1 2026
Positions
4
Top-10 weight
100%
concentration
Last quarter
-13.3%
SPY +14.8%
Turnover
0%
of book per quarter
Strategy in plain words
auto-generated from filingsYorktown Energy Partners XI, L.P. is a diversified fundamental manager, running a $141.5M 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: RILEY EXPLORATION PERMIAN IN, RAMACO RESOURCES INC-A, EPSILON ENERGY LTD, RAMACO RESOURCES INC-B.
Over the last 9 quarters its long book ran on average 0.6pp per quarter behind the S&P 500, beating the index in 4 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
-19.3%
Q2 2024
-4.5%
Q3 2024
+2.9%
Q4 2024
-14.0%
Q1 2025
+19.3%
Q2 2025
+88.6%
Q3 2025
-33.0%
Q4 2025
+8.3%
Q1 2026
-13.3%
Sector allocation
Energy 58%
Materials 42%
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 | $141.5M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 4 | $142.9M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 3 | $194.9M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 3 | $115.0M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 3 | $95.7M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 3 | $117.2M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 13, 2024 | 3 | $115.4M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 13, 2024 | 3 | $122.4M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 4 | $157.8M | canonical | SEC ↗ |
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