DOSSIER · 13F-HR · Q1 2026

Yorktown Energy Partners IX, L.P.

$58M in tracked AUM across 3 positions as of Q1 2026.

YE
CIK 0001503466 · last filed Mar 31, 2026
Total AUM
$58M
as of Q1 2026
Holdings
3
positions
Whale Score
65
65
tracked
Activity
no data
changes this Q
AI Analysis · Q1 2026

Portfolio Overview

Yorktown Energy Partners IX, L.P. presents a highly specialized and concentrated investment portfolio as of the reporting period September 30, 2025. The firm manages a total portfolio value of approximately $123.32 million, which represents a substantial growth of 114.5% compared to the previous quarter's value of $57.48 million. The portfolio is characterized by extreme concentration, comprising only two holdings. This lack of diversification indicates a high-conviction ...

Key Holdings

The portfolio is dominated entirely by a single underlying entity, Ramaco Resources Inc., which appears under two distinct ticker classifications or share classes.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
METC
Ramaco Resources Inc
$38M2.4M65.5%
02
METCB
Ramaco Resources Inc
$13M1.2M21.9%
03
EPSN
Epsilon Energy LTD
$7M1.2M12.6%

Filing history

2026Q1Mar 31
$58M 24.0%
3 positionsView →
2025Q4Dec 31
$76M 38.6%
3 positionsView →
2025Q3Sep 30
$123M 114.5%
2 positionsView →
2025Q2Jun 30
$57M 55.1%
2 positionsLocked
2025Q1Mar 31
$37M 27.7%
2 positionsLocked
2024Q4Dec 31
$51M 25.1%
2 positionsLocked
2024Q3Sep 30
$68M 5.2%
2 positionsLocked
2024Q2Jun 30
$72M 25.0%
2 positionsLocked
2024Q1Mar 31
$96M 2.0%
3 positionsLocked
2023Q4Dec 31
$98M 17.3%
3 positionsLocked
2023Q3Sep 30
$84M 24.1%
4 positionsLocked
2023Q2Jun 30
$68M 19.9%
4 positionsLocked
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