CORE NATURAL RESOURCES INC (CEIX) Institutional Ownership and Insiders Activity

CORE NATURAL RESOURCES INC (CEIX) is widely held by institutional investors, with 3 tracked firms reporting positions valued at approximately $406.95M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Greenlight Capital is the largest disclosed holder, reporting approximately $211.67M in CEIX holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Greenlight Capital representing the majority of disclosed value.