CORE NATURAL RESOURCES INC (CEIX) Institutional Ownership Changes & 13F Activity

CORE NATURAL RESOURCES INC (CEIX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Greenlight Capital, Renaissance Technologies LLC, Aquamarine Zurich AG, First Eagle U.S. Value, and Fairholme Capital Management.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2022Renaissance Technologies LLCSell-44,93957,503$2,164
Q4 2021Greenlight CapitalSell-242,0081,877,021$42,627
Q3 2021Greenlight CapitalSell-50,3412,119,029$55,137
Q2 2021Greenlight CapitalSell-649,6832,169,370$40,069
Q1 2021Greenlight CapitalSell-1,187,5072,819,053$27,401
Q4 2020Greenlight CapitalBuy3,396,5074,006,560$28,887
Q4 2019Renaissance Technologies LLCSell-268,458102,442$1,486
Q4 2019Greenlight CapitalSell-66,829610,053$8,852
Q3 2019Renaissance Technologies LLCSell-237,300370,900$5,797
Q2 2019Greenlight CapitalBuy336,882676,882$18,012
Q2 2019Renaissance Technologies LLCBuy189,600608,200$16,184
Q1 2019Renaissance Technologies LLCBuy205,700418,600$14,324
Q1 2019Greenlight CapitalBuy200,000340,000$11,635
Q4 2018Greenlight CapitalSell-1,029,276140,000$4,439
Q4 2018Renaissance Technologies LLCBuy31,300212,900$6,751
Q3 2018Renaissance Technologies LLCBuy181,600181,600$7,411
Q2 2018Longleaf PartnersSell-1,681,7973,899,815$149,558
Q1 2018Greenlight CapitalSell-1,056,3871,169,276$33,874
Q1 2018Longleaf PartnersSell-484,5355,581,612$161,699
Q4 2017Longleaf PartnersBuy6,066,1476,066,147$239,673
Q4 2017Greenlight CapitalBuy2,225,6632,225,663$87,936

Frequently asked questions about CEIX activity

  • Which institutional owners are buying CEIX?

    Institutional owners buying CEIX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in CEIX activity?

    "Buy" means an investor increased their reported position in CEIX compared to the prior reporting period. This reflects growing exposure to CORE NATURAL RESOURCES INC (CEIX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in CEIX increasing?

    Institutional interest in CEIX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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