$CNR

$91.16 +$2.69 (3.04%) Live

$CNR Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 49.6M shares outstanding

Who owns CNR?

By type of holder

Institutions 94.1% Insiders 0.0% Everyone else 5.9%

Concentration Top 10 holders own 54.4%

BlackRock, Inc. 15.3% · FMR LLC 5.8%

Institutional ownership

94.1%

-0.5 pts vs last qtr

Institutional holders

355

-25 vs last qtr

Net shares bought

−263.4K

by institutions in Q2 2026

New / sold out

59 / 84

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Flat Footed LLC +1.1M
Van Eck Associates Corp +665.2K

Biggest sellers in Q2 2026

FMR LLC −1.1M
FIL Ltd SOLD OUT −472.9K

Who is planning to sell?

Notices of proposed sale, last 12 months

$12.1M

6 notices from 5 people

Shares covered

126.6K

0.25% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Lang Paul A Former officer and director $5.4M
James A. Brock Officer $4.14M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+83.7%

+6.99% a year

Each share's claim on the business

−45.6%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$753M vs $138M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years65% 3–5 years6% 1–3 years15% Under 1 year13%

Quarterly turnover

12.3%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting CNR on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	7.6M	15.30%	+174.1K (+2.3%)	≤2021	0.0%
Shares held by quarter Peak holding7.7M (Q1'25) Change over 8 quarters+3.4M Share of the company15.300% BlackRock, Inc.'s full portfolio →
F FMR LLC	2.9M	5.83%	−1.1M (−28.4%)	≤2021	0.0%
Shares held by quarter Peak holding7.7M (Q1'25) Change over 8 quarters+2.9M Share of the company5.830% FMR LLC's full portfolio →

BlackRock, Inc.

7.6M

% of company

15.30%

Change vs last qtr

+174.1K (+2.3%)

Held since

≤2021

FMR LLC

2.9M

% of company

5.83%

Change vs last qtr

−1.1M (−28.4%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Core Natural Resources, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting CNR on Form N-PORT; together they hold 48.2% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$243M	3.0M	6.12%	0.22%	June 30, 2026
SS State Street(R) SPDR(R) S&P(R) Metals & Mining ETF SPDR Series Trust	$162M	2.0M	4.07%	3.69%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$243M

% of company

6.12%

% of the fund

0.22%

As of

June 30, 2026

State Street(R) SPDR(R) S&P(R) Metals & Mining ETF

SPDR Series Trust

Position value

$162M

% of company

4.07%

% of the fund

3.69%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Core Natural Resources, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
TN Tucker Nathan Joseph Insider	1.6K	0.00%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.000% Tucker Nathan Joseph's insider activity →

Tucker Nathan Joseph

Insider

1.6K

% of company

0.00%

Change vs last qtr

—

Held since

—

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