Institutional Manager · CIK 0001503466
YORKTOWN ENERGY PARTNERS IX, L.P.
NEW YORK, NY · File #028-17881
Latest AUM
$75.7M
Positions
3
Top-10 Concentration
100.0%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | Epsilon Energy LTD | EPSN | +1,181,124 | +$5.5M | $0 |
| ADD | Ramaco Resources Inc | METCZ | +17,040 | +$200,220 | -$6.2M |
| REDUCE | Ramaco Resources Inc | METCZ | 0 | $0 | -$47.0M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 20253 pos · $75.7M
- 13F HOLDINGS REPORTQ/E Sep 20252 pos · $123.3M
- 13F HOLDINGS REPORTQ/E Jun 20252 pos · $57.5M
- 13F HOLDINGS REPORTQ/E Mar 20252 pos · $37.1M
- 13F HOLDINGS REPORTQ/E Dec 20242 pos · $51.3M
- 13F HOLDINGS REPORTQ/E Sep 20242 pos · $68.5M
- 13F HOLDINGS REPORTQ/E Jun 20242 pos · $72.2M
- 13F HOLDINGS REPORTQ/E Mar 20243 pos · $96.3M
- 13F HOLDINGS REPORTQ/E Dec 20234 pos · $83.8M
Top 3 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | Ramaco Resources Inc | METCZ | 3,097,134 | $55.7M | 73.60% |
| 2 | Ramaco Resources Inc | METCZ | 1,235,359 | $14.5M | 19.16% |
| 3 | Epsilon Energy LTD | EPSN | 1,181,124 | $5.5M | 7.24% |