Core Natural Resources, Inc.
CNR- Exchange
- NYSE
- Industry
- Silver Ores
- SEC CIK
- 0001710366
No open-market purchases or sales by Core Natural Resources, Inc. insiders were filed in the last 90 days; 357 institutions reported holding it in 13F filings for Q2 2026, worth $3.76B in total; Greenlight Capital is the only superinvestor holding it.
Key figures
- Market capClose on Nov 10, 2026
- $4.05B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −18 vs. previous quarter
- 357
- 13F valueReported value at the end of Q2 2026
- $3.76B
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $4.16B
- +86.2% year over year
- Net income, FY2025
- -$153.2M
- −153.5% year over year
- Free cash flow, FY2025
- $21.2M
- −92.9% year over year
- Revenue, Q3 FY2026
- $1.15B
- +14.2% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Net loss for FY2025: $153.2M (3.7% of revenue).
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 1.77M
- Shares sold short
- Change
- +197.2K
- +12.5% vs. previous
- Days to cover
- 4.18
- At average daily volume
Superinvestors holding CNR, Q2 2026
Go to the superinvestors tab1 superinvestor reports holding Core Natural Resources, Inc. on Form 13F. Percentages are the stock's share of each portfolio.
Greenlight Capital
David Einhorn
4.7%
Core Natural Resources, Inc.'s share of the portfolio
- Shares
- 2,283,200
- Value
- $182.7M
Latest insider trades
See all insider tradesOpen-market purchases and sales by Core Natural Resources, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 20, 2026 (view filing) | Mar 19 | 1 day | Klein Rosemary LSVP, CLO & Corp. Sec. | SSaleCommon stock, par value $0.01 per share | −15.0K | $106.87 | −$1.60M | −21.8%53.7K after | 2 lots |
| Mar 19, 2026 (view filing) | Mar 18 | 1 day | Brock James AExecutive Chair and CEO | SSaleCommon stock, par value $0.01 per share | −40.8K | $101.15 | −$4.12M | −29.0%100.0K after | |
| Mar 19, 2026 (view filing) | Mar 17 | 2 days | Rothka JohnChief Accounting Officer | SSaleCommon stock, par value $0.01 per share | −1.00K | $97.66 | −$97.7K | −16.2%5.19K after | |
| Mar 11, 2026 (view filing) | Mar 10 | 1 day | Rothka JohnChief Accounting Officer | SSaleCommon stock, par value $0.01 per share | −3.80K | $91.62 | −$348.2K | −38.0%6.19K after | |
| Mar 11, 2026 (view filing) | Mar 10 | 1 day | Navarre Richard ADirector | SSaleCommon stock, par value $0.01 per share | −6.00K | $91.70 | −$550.2K | −25.0%18.0K after | |
| Oct 10, 2025 (view filing) | Oct 8-9 | 2 days | Rothka JohnChief Accounting Officer | SSaleCommon stock, par value $0.01 per share | −2.00K | $97.50 | −$195.0K | −17.7%9.31K after | 2 lots10b5-1 |
| Oct 6, 2025 (view filing) | Oct 3 | 3 days | Rothka JohnChief Accounting Officer | SSaleCommon stock, par value $0.01 per share | −2.50K | $90.00 | −$225.0K | −18.1%11.3K after | 10b5-1 |
| Sep 26, 2025 (view filing) | Sep 25 | 1 day | Navarre Richard ADirector | SSaleCommon stock, par value $0.01 per share | −5.00K | $82.20 | −$411.0K | −18.6%21.8K after | |
| Sep 18, 2025 (view filing) | Sep 17 | 1 day | Kriegshauser Patrick ADirector | SSaleCommon stock, par value $0.01 per share | −3.04K | $77.07 | −$234.5K | −11.5%23.3K after | |
| May 12, 2025 (view filing) | May 9 | 3 days | Lang Paul AChief Executive Officer | PPurchaseCommon stock, par value $0.01 per share | +7.50K | $66.95 | +$502.1K | +2.2%341.1K after |
Top 10 13F holders, Q2 2026
See all 357 holdersThe largest institutional positions in Core Natural Resources, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7,596,655 | $607.9M | 0.01% | +174,094+2.3% | Added |
| State Street Corp | 3,953,520 | $316.4M | 0.01% | −23,804−0.6% | Reduced |
| Vanguard Portfolio Management LLC | 3,018,983 | $241.6M | 0.01% | +61,101+2.1% | Added |
| FMR LLC | 2,895,835 | $231.7M | 0.01% | −1,149,930−28.4% | Reduced |
| DME Capital Management, LPSuperinvestorGreenlight Capital | 2,283,200 | $182.7M | 4.67% | +425,060+22.9% | Added |
| Vanguard Capital Management LLC | 2,185,507 | $174.9M | 0.00% | −3,207−0.1% | Reduced |
| Dimensional Fund Advisors LP | 1,488,824 | $119.1M | 0.02% | +115,882+8.4% | Added |
| Geode Capital Management, LLC | 1,330,502 | $106.5M | 0.01% | +53,962+4.2% | Added |
| Flat Footed LLC | 1,165,762 | $93.3M | 16.16% | +1,120,797+2,492.6% | Added |
| Goehring & Rozencwajg Associates, LLC | 1,100,977 | $88.1M | 5.07% | +392,752+55.5% | Added |
Holders of 5% or more of CNR
See all 4 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Core Natural Resources, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| State Street Corp | 13G | 7.80%3.98M shares | +1.10 ppfrom 6.70% | Feb 12, 20217 filings | May 12, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.88%2.99M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Dimensional Fund Advisors LP | 13G/A | 5.50%1.61M shares | – | Feb 12, 20215 filings | Jan 23, 2025 | SEC |
| Vanguard Capital Management LLC | 13G | 5.06%2.57M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |