Yorktown Energy Partners X, L.P.
CIK 1577919 · View on SEC EDGAR ↗
- Portfolio value
- $47.6M
- Positions
- 3
- As of
- June 30, 2026
#8,727 of 9,443 by 13F value · top 92.4%
Portfolio value QoQ: -31.5% 13F does not disclose cash
- Top 10 holdings weight
- 100.00%
- Top 25 holdings weight
- 100.00%
- Positions above 1%
- 3
- Effective number of positions
- 2.4
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 0.14% Est. buys $84,645 · sells $14,246,847
Median holding: 6.5 quarters Tracked Q4 2024–Q2 2026 · 75.0% still held
- New positions
- 0
- Increased
- 1
- Decreased
- 0
- Closed
- 1
On this page
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
- Related The person behind this filer, where we can match one.
Sector breakdown
Materials
69.8%
Energy
30.2%
Full portfolio 3 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| METC Ramaco Resources, Inc. - Class A Common Stock | $26,058,411 | 54.76% | 1,969,646 | $-4,392,315 | |||
| EPSN Epsilon Energy Ltd. - Common Shares | $14,372,774 | 30.21% | 2,656,705 | $-1,992,529 | |||
| METCB Ramaco Resources, Inc. - Class B Common Stock | $7,152,170 | 15.03% | 836,511 | $-1,279,263 | Up ×1 | ||
| No matches | |||||||
Top movers (QoQ)
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| REPX | June 30, 2026 | 390,860 | $14,246,847 | No longer tracked |