13FINSIGHT
13F Insight
FilersStocks13FActivistsInsider
Login
13FINSIGHT
13F Insight
FilersStocks13FActivistsInsider
Login
Filers›Holding Co.›Yorktown Energy Partners IX, L.P.
DOSSIER · 13F-HR · Q1 2026

Yorktown Energy Partners IX, L.P.

Yorktown Energy IX, L.P.'s holding co. based in San Francisco, CA — $58M in tracked AUM across 3 positions as of Q1 2026.

YE
Yorktown Energy IX, L.P.·San Francisco, CA·Holding Co.
CIK 0001503466 · last filed Mar 31, 2026
Total AUM
$58M
▲ 2.0%
vs prior
Holdings
3
—
positions
Whale Score
67
67
tracked
Activity
—
no data
changes this Q
Top sector
Health Care
5% weight
concentration
AI Analysis · Q1 2026 · 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 ...

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

Filing history loading…
AI Agent · grounded in Yorktown
haiku-4-5 · 3 positions indexed
Sector mix
  • Health Care5%
  • Cons. Disc.9%
  • Communications18%
  • Industrials35%
  • Energy14%
  • Other19%
FilersStocks13FActivistsInsiderResearchLearnNewsPricingTermsPrivacyContact

© 2026 13F Insight — Track smart money. Ask the AI Agent.

Listed on Turbo0Featured on Findly ToolsFeatured on toolfame.comFeatured on saasfame.comFeatured on Gets.ToolsZ-ImageFeatured On Micro SaaS ExamplesListed on MarketingDBFeatured on SaasDBFeatured on FazierBusiness Services - OnToplist.comFeatured on SubmitMySaasFeatured on ToolDirsFeatured on ToolfioFeatured on Twelve ToolsListed on uno directoryFeatured on Dang.aiFeatured on ToolPilotFeatured on Startup FameFeatured on PostmakeFeatured on Code.Market