Artemis reports 5.6% stake in Diversified Energy Co

Artemis Investment Management LLP and affiliated funds reported beneficial ownership of 4,067,843 shares (5.6%) of Diversified Energy Co common stock as of 03/31/2026.

Rhea-AI Filing Summary

Artemis Investment Management LLP and affiliated funds reported beneficial ownership of 4,067,843 shares (5.6%) of Diversified Energy Co common stock as of 03/31/2026. The filing lists voting and dispositive power of 4,065,270 shares held solely by Artemis entities and breaks ownership across named funds. The Schedule 13G identifies Artemis Investment Management LLP, Artemis Fund Managers Limited, Artemis Global Income Fund, Artemis Monthly Distribution Fund, and Artemis Funds Lux Global Value as the reporting persons and provides their London addresses.

Key Figures

Beneficial ownership: 4,067,843 shares Percent of class: 5.6% Sole voting power: 4,065,270 shares +1 more

4 metrics

Beneficial ownership 4,067,843 shares as of 03/31/2026

Percent of class 5.6% percentage of common stock reported

Sole voting power 4,065,270 shares shares with sole power to vote

CUSIP 25520W107 Diversified Energy Co common stock identifier

Key Terms

Beneficially owned, Sole Dispositive Power, CUSIP

3 terms

Beneficially owned regulatory

"Amount beneficially owned: 4,067,843"

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.

Sole Dispositive Power regulatory

"Sole power to dispose or to direct the disposition of: 4,065,270"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

CUSIP market

"CUSIP Number(s): 25520W107"

A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake does Artemis hold in Diversified Energy Co (DEC)?

Artemis and affiliates hold 4,067,843 shares, equal to 5.6% of common stock as of 03/31/2026. The Schedule 13G lists the combined beneficial ownership and shows 4,065,270 shares with sole voting and dispositive power.

Which Artemis entities are listed as reporting persons on the Schedule 13G for DEC?

The filing names five reporting persons: Artemis Investment Management LLP, Artemis Fund Managers Limited, Artemis Global Income Fund, Artemis Monthly Distribution Fund, and Artemis Funds Lux Global Value. All entities show United Kingdom citizenship and a common London address.

Does Artemis exercise sole voting or shared voting power over the reported DEC shares?

The filing states Artemis has sole voting power for 4,065,270 shares and no shared voting power. The Schedule 13G also reports sole dispositive power for the same 4,065,270 shares and zero shared dispositive power.

What is the CUSIP for Diversified Energy Co common stock in this filing?

The CUSIP reported is 25520W107 for Diversified Energy Co common stock. This identifier appears on the Schedule 13G header alongside the class title and reporting period date of 03/31/2026.

When was the Schedule 13G signed and by whom for DEC?

The filing shows signatures by an Operations Data Team with dates of 05/01/2026. Multiple identical signature lines appear, each listing the Operations Data Team as the signing party on that date.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/07/2026 - 09:45 AM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

DIVERSIFIED ENERGY CO

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

25520W107

(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): 25520W107

1

Names of Reporting Persons

Artemis Investment Management LLP

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

UNITED KINGDOM

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,067,843.00

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)

5.6 %

12

Type of Reporting Person (See Instructions)

FI

SCHEDULE 13G

CUSIP Number(s): 25520W107

1

Names of Reporting Persons

Artemis Fund Managers Limited

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

UNITED KINGDOM

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,065,270.00

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)

5.6 %

12

Type of Reporting Person (See Instructions)

FI

SCHEDULE 13G

CUSIP Number(s): 25520W107

1

Names of Reporting Persons

Artemis Global Income Fund

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

UNITED KINGDOM

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,778,560.00

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)

3.8 %

12

Type of Reporting Person (See Instructions)

FI

SCHEDULE 13G

CUSIP Number(s): 25520W107

1

Names of Reporting Persons

Artemis Monthly Distribution Fund

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

UNITED KINGDOM

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,286,710.00

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)

1.8 %

12

Type of Reporting Person (See Instructions)

FI

SCHEDULE 13G

CUSIP Number(s): 25520W107

1

Names of Reporting Persons

Artemis Funds Lux Global Value

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

UNITED KINGDOM

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,573.00

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)

0.0 %

12

Type of Reporting Person (See Instructions)

FI

SCHEDULE 13G

Item 1.
(a)	Name of issuer: DIVERSIFIED ENERGY CO
(b)	Address of issuer's principal executive offices: 1600 CORPORATE DRIVE, BIRMINGHAM, ALABAMA, 35242
Item 2.
(a)	Name of person filing: Artemis Investment Management LLP, Artemis Fund Managers Limited, Artemis Global Income Fund, Artemis Monthly Distribution Fund, Artemis Funds Lux Global Value
(b)	Address or principal business office or, if none, residence: Artemis Investment Management LLP Cassini House, 57 59 St. Jamess Street, London, SW1A 1LD, United Kingdom, Artemis Fund Managers Limited Cassini House, 57 59 St. Jamess Street, London, SW1A 1LD, United Kingdom, Artemis Global Income Fund Cassini House, 57 59 St. Jamess Street, London, SW1A 1LD, United Kingdom, Artemis Monthly Distribution Fund Cassini House, 57 59 St. Jamess Street, London, SW1A 1LD, United Kingdom, Artemis Funds Lux Global Value Cassini House, 57 59 St. Jamess Street, London, SW1A 1LD, United Kingdom
(c)	Citizenship: Artemis Investment Management LLP United Kingdom, Artemis Fund Managers Limited United Kingdom, Artemis Global Income Fund United Kingdom, Artemis Monthly Distribution Fund United Kingdom, Artemis Funds Lux Global Value United Kingdom
(d)	Title of class of securities: COMMON STOCK
(e)	CUSIP Number(s): 25520W107
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).
	J
Item 4.	Ownership
(a)	Amount beneficially owned: 4,067,843
(b)	Percent of class: 5.6 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 4,065,270
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 4,065,270
	(iv) Shared power to dispose or to direct the disposition of: 0
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.
	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.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	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.

Artemis Investment Management LLP

Signature:	Operations Data Team
Name/Title:	Operations Data Team
Date:	05/01/2026

Artemis Fund Managers Limited

Signature:	Operations Data Team
Name/Title:	Operations Data Team
Date:	05/01/2026

Artemis Global Income Fund

Signature:	Operations Data Team
Name/Title:	Operations Data Team
Date:	05/01/2026

Artemis Monthly Distribution Fund

Signature:	Operations Data Team
Name/Title:	Operations Data Team
Date:	05/01/2026

Artemis Funds Lux Global Value

Signature:	Operations Data Team
Name/Title:	Operations Data Team
Date:	05/01/2026