CEIX Institutional Ownership & Shareholders
CORE NATURAL RESOURCES INC (CEIX) is currently held by 342 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $3.95B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of CEIX tracked by InsiderSet, reporting ownership valued at approximately $607.88M in its June 30, 2026 SEC Form 13F filing.
The top 10 institutional shareholders tracked on this page collectively account for approximately 58% of the total disclosed CEIX value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., State Street Corp, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in CORE NATURAL RESOURCES INC (CEIX).
This page ranks the largest institutional CEIX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
342
Total Reported Value
$3.95B
Largest Holder
Blackrock, Inc.
Largest Position
$607.88M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
40
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 7,596,655 | $607,884,372 | — | — | — | |
| State Street Corp | 0.01% | 3,953,520 | $316,360,670 | — | — | — | |
| Vanguard Portfolio Management Llc | 0.01% | 3,018,983 | $241,579,020 | — | — | — | |
| Fmr Llc | 0.01% | 2,895,835 | $231,724,745 | — | — | — | |
| Greenlight Capital | David Einhorn | 10.34% | 2,105,577 | $211,673,655 | — | — | — |
| Greenlight Capital | David Einhorn | 4.67% | 2,283,200 | $182,701,664 | — | — | — |
| Vanguard Capital Management Llc | 0.00% | 2,185,507 | $174,884,270 | — | — | — | |
| Dimensional Fund Advisors Lp | 0.02% | 1,488,824 | $119,134,633 | — | — | — | |
| Geode Capital Management, Llc | 0.01% | 1,330,502 | $106,492,339 | — | — | — | |
| Flat Footed Llc | 16.16% | 1,165,762 | $93,284,275 | — | — | — | |
| Goehring & Rozencwajg Associates, Llc | 5.07% | 1,100,977 | $88,100,180 | — | — | — | |
| Van Eck Associates Corp | 0.04% | 844,230 | $67,555,285 | — | — | — | |
| Charles Schwab Investment Management Inc | 0.01% | 766,054 | $61,299,642 | — | — | — | |
| Merewether Investment Management, Lp | 1.04% | 687,465 | $55,010,949 | — | — | — | |
| American Century Companies Inc | 0.02% | 647,784 | $51,835,676 | — | — | — | |
| Encompass Capital Advisors Llc | 2.04% | 589,633 | $47,182,433 | — | — | — | |
| Ubs Group Ag | 0.01% | 567,369 | $45,400,868 | — | — | — | |
| Northern Trust Corp | 0.00% | 519,375 | $41,560,388 | — | — | — | |
| Magnolia Group, Llc | 7.85% | 467,524 | $37,411,270 | — | — | — | |
| Jb Capital Partners Lp | 5.78% | 466,779 | $37,351,656 | — | — | — | |
| Gendell Jeffrey L | 0.30% | 413,570 | $33,093,872 | — | — | — | |
| Balyasny Asset Management L.P. | 0.06% | 393,337 | $31,474,827 | — | — | — | |
| Scopus Asset Management, L.P. | 0.72% | 384,000 | $30,727,680 | — | — | — | |
| Morgan Stanley | 0.00% | 377,819 | $30,233,225 | — | — | — | |
| Millennium Management Llc | 0.02% | 368,617 | $29,496,732 | — | — | — | |
| Vanguard Fiduciary Trust Co | 0.01% | 342,923 | $27,440,698 | — | — | — | |
| Goldman Sachs Group Inc | 0.00% | 332,038 | $26,569,650 | — | — | — | |
| Bank Of New York Mellon Corp | 0.00% | 325,811 | $26,071,415 | — | — | — | |
| Victory Capital Management Inc | 0.01% | 317,660 | $25,419,153 | — | — | — | |
| Summit Street Capital Management, Llc | 3.19% | 284,218 | $22,743,124 | — | — | — | |
| Adage Capital Partners Gp, L.L.C. | 0.03% | 280,000 | $22,405,600 | — | — | — | |
| Energy Income Partners, Llc | 0.34% | 273,302 | $21,869,626 | — | — | — | |
| Oberweis Asset Management Inc/ | 0.45% | 271,170 | $21,699,023 | — | — | — | |
| Envestnet Asset Management Inc | 0.01% | 267,489 | $21,404,459 | — | — | — | |
| Thomist Capital Management, Lp | 7.86% | 266,532 | $21,327,891 | — | — | — | |
| Baird Financial Group, Inc. | 0.03% | 261,052 | $20,889,401 | — | — | — | |
| Principal Financial Group Inc | 0.01% | 238,523 | $20,474,814 | — | — | — | |
| Bank Of America Corp | 0.00% | 252,620 | $20,214,656 | — | — | — | |
| Skylands Capital, Llc | 2.56% | 226,897 | $19,476,838 | — | — | — | |
| Massachusetts Financial Services Co | 0.01% | 231,877 | $18,554,798 | — | — | — | |
| Public Sector Pension Investment Board | 0.05% | 223,317 | $17,869,826 | — | — | — | |
| Old West Investment Management, Llc | 1.86% | 219,914 | $17,597,518 | — | — | — | |
| Jpmorgan Chase & Co | 0.00% | 213,651 | $17,087,712 | — | — | — | |
| Wellington Management Group Llp | 0.00% | 201,816 | $16,149,316 | — | — | — | |
| Deutsche Bank Ag\ | 0.00% | 199,277 | $15,946,146 | — | — | — | |
| Nomura Asset Management International Inc. | 0.02% | 191,383 | $15,314,000 | — | — | — | |
| Hartree Partners, Lp | 3.13% | 181,977 | $14,561,800 | — | — | — | |
| Invesco Ltd. | 0.00% | 179,250 | $14,343,585 | — | — | — | |
| Aqr Capital Management Llc | 0.00% | 175,091 | $14,010,750 | — | — | — | |
| Mudita Advisors Llp | 2.82% | 169,400 | $13,555,388 | — | — | — |
Frequently asked questions about CEIX
Who are the largest institutional holders of CEIX?
The largest institutional holders of CEIX reported in the latest SEC Form 13F filings include Blackrock, Inc., State Street Corp, Vanguard Portfolio Management Llc, Fmr Llc, and Greenlight Capital. InsiderSet ranks institutional holders by their latest reported CEIX position.
What is CEIX institutional ownership?
This page tracks CEIX positions reported by institutional investment managers through SEC Form 13F. CORE NATURAL RESOURCES INC (CEIX) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own CEIX?
InsiderSet currently tracks 342 institutional managers reporting CEIX holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of CEIX shareholders.
How much CEIX stock do institutions own?
Institutional investment managers disclosed approximately $3.95B in CEIX holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was CEIX institutional ownership last updated?
The latest CEIX institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional CEIX holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its CEIX position after the reporting date.
Are institutions buying or selling CEIX?
Institutional buying and selling can be analyzed by comparing CEIX positions across consecutive 13F reporting periods. InsiderSet's CEIX Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View CEIX ownership changes.
How has CEIX institutional ownership changed over time?
InsiderSet tracks CEIX institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.