Core Natural Resources, Inc.
Core Natural Resources, Inc. (CNR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CNR · as of Sep 30, 2025
Ownership Breakdown
353
Institutional Holders
▲ 19 vs Q2
$3.88B
Total Inst. Value
▲ $533.28M vs Q2
50.41M
Shares Outstanding
freeFloat 97.67%
46.53M
13F Shares Held
▼ 1.50M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
CNR largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. prefabricated metal buildings & components | 7.30M | 13.94% | 13.94% | $609.45B | Nov 12, 2025 | ▼ 53.8K |
FMR LLC prefabricated metal buildings & components | 6.89M | 13.15% | 13.15% | $574.82B | Nov 13, 2025 | ▲ 81.2K |
VANGUARD GROUP INC prefabricated metal buildings & components | 5.63M | 10.75% | 10.75% | $470.02B | Nov 7, 2025 | ▼ 225.4K |
STATE STREET CORP prefabricated metal buildings & components | 3.44M | 6.57% | 6.57% | $287.13B | Nov 14, 2025 | ▲ 270.0K |
DME CAPITAL MANAGEMENT, LP prefabricated metal buildings & components | 2.16M | 4.12% | 4.12% | $179.95B | Nov 14, 2025 | — held |
FLAT FOOTED LLC prefabricated metal buildings & components | 1.84M | 3.51% | 3.51% | $153.45B | Nov 14, 2025 | ▲ 683.4K |
DIMENSIONAL FUND ADVISORS LP prefabricated metal buildings & components | 1.60M | 3.06% | 3.06% | $133.85B | Nov 12, 2025 | ▼ 842.6K |
GEODE CAPITAL MANAGEMENT, LLC prefabricated metal buildings & components | 1.22M | 2.32% | 2.32% | $101.68B | Nov 12, 2025 | ▼ 19.7K |
AMERICAN CENTURY COMPANIES INC prefabricated metal buildings & components | 1.19M | 2.27% | 2.27% | $99.21B | Nov 12, 2025 | ▼ 408.7K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP prefabricated metal buildings & components | 1.09M | 2.08% | 2.08% | $91.16B | Nov 14, 2025 | ▲ 871.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
23
Increased
+3.16M shares4
New Positions
first time holders19
Decreased
−3.06M shares0
Sold Out
fully exitedNet shares change (top 50)
+102.0K
+3.16M / −3.06M
Net new holders
+8
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
CNR insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
2
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Keating Ronald C director | Apr 30, 2026 | Award | 1,390 | — | — | 1.4K | Form 4 ↗ |
Doheny Edward L II director | Apr 30, 2026 | Award | 1,390 | — | — | 1.4K | Form 4 ↗ |
Brock James A Executive Chair and CEO | Mar 24, 2026 | Gift | 24,440 | — | — | 291.4K | Form 4 ↗ |
Brock James A Executive Chair and CEO | Mar 24, 2026 | Gift | 24,440 | — | — | 0 | Form 4 ↗ |
Klein Rosemary L SVP, CLO & Corp. Sec. | Mar 19, 2026 | Sale | 10,000 | $105.00 | $1.05M | 58.7K | Form 4 ↗ |
Klein Rosemary L SVP, CLO & Corp. Sec. | Mar 19, 2026 | Sale | 5,000 | $110.62 | $553.1K | 53.7K | Form 4 ↗ |
Brock James A Executive Chair and CEO | Mar 18, 2026 | Sale | 40,760 | $101.15 | $4.12M | 100.0K | Form 4 ↗ |
Rothka John Chief Accounting Officer | Mar 17, 2026 | Sale | 1,000 | $97.66 | $97.7K | 5.2K | Form 4 ↗ |
Rothka John Chief Accounting Officer | Mar 10, 2026 | Sale | 3,800 | $91.62 | $348.2K | 6.2K | Form 4 ↗ |
NAVARRE RICHARD A director | Mar 10, 2026 | Sale | 6,000 | $91.70 | $550.2K | 18.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Core Natural Resources, Inc. (CNR) is primarily owned by institutional investors, who hold approximately 92.3% of total shares outstanding. Company insiders own approximately 2.33%, while retail and public investors account for the remaining 5.37%.
The largest institutional shareholder of Core Natural Resources, Inc. is BLACKROCK, INC., holding approximately 7.30 million shares — equal to 13.94% of outstanding shares — as of September 30, 2025.
A total of 353 institutional investors currently hold CNR stock, with a combined institutional value of approximately $3.88 billion as of the most recent 13F filing period.
Frequently asked questions
CNR ownershipCore Natural Resources, Inc. (CNR) is primarily owned by institutional investors, who hold approximately 92.3% of shares. The largest shareholder is BLACKROCK, INC. with a 13.94% stake. Company insiders hold 2.33%. Data sourced from SEC Form 13F as of September 30, 2025.