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CORE NATURAL RESOURCES INC (CNR)
Institutional ownership, SEC filings and insider activity
Sector: Raw materials · SEC CIK 0001710366 · EDGAR filings · Updated 2026-06-04
CORE NATURAL RESOURCES INC (CNR) has reported institutional ownership of 92.8%, with 375 institutional managers holding positions valued at $4.90B per the latest 13F reporting period.
Institutional ownership
92.8%
Institutional managers
375
Reported 13F value
$4.90B
Insider activity
50 trans.
−$7.95M net selling
Latest updates
- 2026-06-04 — Current report (8-K) filed
- 2026-05-19 — Current report (8-K) filed
- 2026-05-12 — SCHEDULE 13G filed
- 2026-05-07 — Quarterly report (10-Q) filed
- 2026-05-07 — Current report (8-K) filed
- 2026-05-06 — SCHEDULE 13G/A filed
Institutional ownership overview
According to SEC 13F filings tracked by Sightfile, CORE NATURAL RESOURCES INC has 375 institutional holders and institutional ownership of 92.8%.
Insider activity
Insiders reported 50 transactions (1 buys, 13 sells) across 14 reporting insiders, with a net reported value of −$7.95M.
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See full history, cross-references and alerts on SightfileSightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-06-04.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-06-04.