Login
Super Investors YORKTOWN ENERGY PARTNERS IX, L.P.
YE

YORKTOWN ENERGY PARTNERS IX, L.P.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$36.1M
Positions
3
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (39 quarters reported)

$286M $25.5M
Q4 16 Q4 18 Q4 20 Q4 22 Q4 24 Q2 26

$154M in Q4 2016 → $36.1M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Ramaco Resources Inc 52.7% Trimmed 41% 1,437,247 $19M
Ramaco Resources Inc 29.6% Added 1.2% 1,248,736 $10.7M
Epsilon Energy Ltd 17.7% Unchanged 1,181,124 $6.39M

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
Ramaco Resources Inc Trimmed −1,000,000 −$13.2M 52.7%
Ramaco Resources Inc Added +14,778 +$126K 29.6%

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
Ramaco Resources Inc Trimmed −659,887 −$10.2M 65.5%
Ramaco Resources Inc Trimmed −1,401 −$14.3K 21.9%

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
Epsilon Energy Ltd New +1,181,124 +$5.48M 7.2%
Ramaco Resources Inc Added +17,040 +$200K 19.2%

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
Ramaco Resources Inc Trimmed −527,910 −$17.5M 83.4%
Ramaco Resources Inc Added +14,266 +$240K 16.6%

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
Ramaco Resources Inc Added +188,278 +$1.54M 17.1%

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
RR Ramaco Res Inc Trimmed −329,943 −$2.72M 80.5%
RR Ramaco Res Inc Trimmed −67,557 −$480K 19.5%

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
RR Ramaco Res Inc Trimmed −900,000 −$9.23M 79.1%

Q3 2024

quarter ended September 30, 2024 · filed November 13, 2024

No position changes this quarter.

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support