Yorktown Energy Partners IX, L.P.

CIK 0001503466 · Q1 2026

13F Equity AUM

$57.5M

-24.0% QoQ

Positions

0 QoQ

AUM Rank

#10,695

Top 86%

Skill Alpha (FF)

+15.2%/yr^ns

No Clear Edge

vs S&P -3.7%/yr (unadj.)

Quarters Tracked

~9 years

Portfolio Concentration

Top 5: 100.0%Top 10: 100.0%Top 20: 100.0%

METC65.5%

METCB21.9%

EPSN12.6%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Energy100.0%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 3Median: 21.87%Avg: 33.33%

0–0.5%

0(0.0%)

0.5–1%

0(0.0%)

1–3%

0(0.0%)

3–5%

0(0.0%)

5%+

3(100.0%)

Count of positions per weight bucket — (%) = combined portfolio weight

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Portfolio Overlap

Shared: 3Unique: 0vs 20 funds

0%Low

Fund positions

7,299

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

Most Similar Funds

Top 8 benchmark funds with highest portfolio overlap (Jaccard similarity)

VANGUARD CAPITAL MANAGEMENT LLC

0.1%

MORGAN STANLEY

0.1%

GEODE CAPITAL MANAGEMENT, LLC

0.1%

BlackRock, Inc.

0.1%

STATE STREET CORP

0.1%

VANGUARD PORTFOLIO MANAGEMENT LLC

JPMORGAN CHASE & CO

BANK OF AMERICA CORP /DE/

Jaccard similarity per fund: shared CUSIPs / (fund A + fund B − shared). Higher values indicate more similar portfolios.

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Position Changes This Quarter

New0Increased0Decreased2Exited0

Decreased

METC65.5%

-659,887(-21%)

METCB21.9%

-1,401(-0%)

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

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Holdings

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