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CNRCore Natural Resources, Inc.Sell5.0·$80.83-1.73%
CNR · Concentration risk · 10-K extracted

Core Natural Resources (CNR) concentration risks

Updated

The most significant concentration Core Natural Resources discloses is U.S. electric power generators at 68%, classified HIGH by disclosed size. Below: the full set from the latest 10-K — verbatim quotes, filing references, and a synthesis of what these exposures mean together.

Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results.

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Methodology · Editorial policy & full disclaimer

Source: Core Natural Resources’s SEC Form 10-K filed view the filing on SEC EDGAR ↗

At a glance

Disclosed-size breakdown · 2 disclosed concentrations

HIGH1
MEDIUM1
LOW0
Disclosed concentrations

Each card carries a disclosed-size chip (HIGH / MEDIUM / LOW — how large the exposure is as a share of revenue, not how dangerous it is) and a nature tag: Built-in(the company’s own model, geography, or products) or Outside party (an external customer, supplier, or distributor it relies on).

HIGHBuilt-inCustomer
68%

U.S. electric power generators

10-K Item 1A: 'the Company sold approximately 68% of its sales tons to U.S. electric power generators'
SEC 10-K · filed Feb 2026
MEDIUMOutside partySupplier

concentrated group of suppliers

10-K Item 1A: 'We procure this equipment from a concentrated group of suppliers'
SEC 10-K · filed Feb 2026
TrendMatrix Research · concentration synthesis

What these concentrations mean together

updated 2026-06-24

The company's concentration profile is dominated by two well-disclosed exposures — a high-share customer-type dependency and a moderate supply-side concentration — both of which are structural features of operating in the domestic coal industry. The customer base is concentrated by end-use: approximately 68% of sales tons were sold to U.S. electric power generators, a high-share structural exposure. This reflects a fundamental feature of the domestic thermal coal market rather than reliance on any individual utility buyer; nonetheless, results are tightly tied to coal burn rates at power plants, which are in turn driven by natural gas pricing, renewable dispatch economics, and regulatory mandates on coal capacity retirements. A sustained shift in the generation mix away from coal would affect the largest portion of the volume base. The supply side adds a moderate dependency: the company procures mining equipment from a concentrated group of suppliers. The filing does not disclose precise percentages for this exposure, so it is characterized qualitatively. Equipment sourcing from a limited vendor base is a recurring risk for mining operators — lead times on longwall or continuous mining equipment are long, and a supplier disruption could delay capacity additions or maintenance cycles. Together the two exposures are directionally coherent: both are structurally linked to the long-term trajectory of coal in U.S. power generation, making that macro theme the dominant driver of the disclosed risk profile rather than any single counterparty or contract.

For the engine’s reasoning on CNR’s current verdict — including which dimensions drove the score — see the per-dimension breakdown.

Industry peers · Thermal Coal

Peer concentration profile

SymbolNameHIGHMEDIUMLOWTotal
BTUPeabody Energy Corporation1203
CNRCore Natural Resources, Inc.1102
ARLPAlliance Resource Partners, L.P1023
NRPNatural Resource Partners LP Li0000

Concentration counts reflect items disclosed in each peer’s most recent 10-K; disclosed-size classification uses TrendMatrix’s internal 10-K extraction taxonomy.

Concentration disclosures are extracted verbatim from SEC 10-K filings; the disclosed-size classification and the synthesis above are engine-derived. Size reflects how large each exposure is against fixed share thresholds (HIGH >50%, MEDIUM 25–50%, LOW <25% or an explicit diversification statement), not a judgment of how dangerous it is, and is not a buy/sell rating, a price target, or a view on the stock. Not a complete list of risk factors — see the full filing.

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