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Core Natural Resources Inc reports an institutional ownership disclosure by State Street affiliates. As of 03/31/2026, the filing shows 3,977,324 shares beneficially owned, representing 7.8% of common stock. The report lists shared voting power 3,922,205 and shared dispositive power 3,977,324.
The filing names SSGA Funds Management, Inc. and State Street Corporation as reporting persons and provides registered addresses and subsidiary affiliates. The signatures by officers are dated 05/12/2026.
Insights
State Street group reports a 7.8% beneficial stake in Core Natural Resources.
The filing documents 3,977,324 shares beneficially owned as of 03/31/2026, with shared voting authority of 3,922,205 shares. This identifies the institution as a material passive holder under the Schedule 13G classification.
Ownership is held across multiple State Street advisory entities listed in the filing; cash‑flow treatment or planned transactions are not disclosed in the excerpt. Subsequent filings would show changes in holdings.
Key Figures
Report date:03/31/2026Beneficially owned:3,977,324 sharesPercent of class:7.8%+4 more
7 metrics
Report date03/31/2026Beneficial ownership as of this date
Beneficially owned3,977,324 sharesAmount beneficially owned reported in Item 4
Percent of class7.8%Percent of common stock as stated in Item 4
Shared voting power3,922,205 sharesShared power to vote reported in Item 4
Shared dispositive power3,977,324 sharesShared power to dispose reported in Item 4
CUSIP218937100CUSIP for Core Natural Resources common stock
Filing signatures dated05/12/2026Officer signatures dated on the filing
Key Terms
Schedule 13G, Beneficially owned, Shared dispositive power, Shared voting power
4 terms
Schedule 13Gregulatory
"Item 1. Name of issuer: CORE NATURAL RESOURCES INC"
A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.
Beneficially ownedfinancial
"Item 4. Amount beneficially owned: 3977324.00"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
Shared dispositive powerfinancial
"Item 4. (iv) Shared power to dispose or to direct the disposition of: 3,977,324"
Shared voting powerfinancial
"Item 4. (ii) Shared power to vote or to direct the vote: 3,922,205"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What stake does State Street report in CNR?
State Street affiliates report beneficial ownership of 3,977,324 shares, equal to 7.8% of Core Natural Resources common stock as of 03/31/2026. The filing classifies the position under a Schedule 13G disclosure.
Who are the reporting persons on the Schedule 13G for CNR?
SSGA Funds Management, Inc. and State Street Corporation are listed as reporting persons, with multiple State Street advisory subsidiaries identified as holding entities or affiliates in the filing.
What voting and dispositive powers are disclosed?
The report shows shared voting power of 3,922,205 shares and shared dispositive power of 3,977,324 shares. No sole voting or sole dispositive powers are reported for the named persons.
What dates are relevant in this Schedule 13G filing for CNR?
Share counts are reported as of 03/31/2026. The filing signatures are dated 05/12/2026, which attests to the report's submission by the named officers on that date.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
CORE NATURAL RESOURCES INC
(Name of Issuer)
COMMON STOCK
(Title of Class of Securities)
218937100
(CUSIP Number)
03/31/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
218937100
1
Names of Reporting Persons
STATE STREET CORPORATION
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
MASSACHUSETTS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
3,922,205.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
3,977,324.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
3,977,324.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
7.8 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
CUSIP Number(s):
218937100
1
Names of Reporting Persons
SSGA FUNDS MANAGEMENT, INC.
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
MASSACHUSETTS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
2,911,808.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
2,919,595.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
2,919,595.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5.8 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
CORE NATURAL RESOURCES INC
(b)
Address of issuer's principal executive offices:
275 TECHNOLOGY DRIVE SUITE 101, CANONSBURG, PENNSYLVANIA, 15317
Item 2.
(a)
Name of person filing:
SSGA FUNDS MANAGEMENT, INC.;STATE STREET CORPORATION;
(b)
Address or principal business office or, if none, residence:
ONE CONGRESS STREET, SUITE 1, BOSTON MA 02114, UNITED STATES (FOR ALL REPORTING PERSONS)
(c)
Citizenship:
MA
(d)
Title of class of securities:
COMMON STOCK
(e)
CUSIP Number(s):
218937100
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
3977324.00
(b)
Percent of class:
7.8 %
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
0
(ii) Shared power to vote or to direct the vote:
3,922,205
(iii) Sole power to dispose or to direct the disposition of:
0
(iv) Shared power to dispose or to direct the disposition of:
3,977,324
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
NOT APPLICABLE
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.
SSGA FUNDS MANAGEMENT, INC. (IA);STATE STREET GLOBAL ADVISORS EUROPE LIMITED (IA);STATE STREET GLOBAL ADVISORS LIMITED (IA);STATE STREET GLOBAL ADVISORS SINGAPORE LIMITED (IA);STATE STREET GLOBAL ADVISORS TRUST COMPANY (IA);STATE STREET GLOBAL ADVISORS, LTD. (IA);
Item 8.
Identification and Classification of Members of the Group.
If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(K), so indicate under Item 3(k) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group.
NOT APPLICABLE
Item 9.
Notice of Dissolution of Group.
Notice of dissolution of a group may be furnished as an exhibit stating the date of the dissolution and that all further filings with respect to transactions in the security reported on will be filed, if required, by members of the group, in their individual capacity. See Item 5.
NOT APPLICABLE
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
