BlackRock unit reports 1.7% Kosmos Energy (NYSE: KOS) stake

Rhea-AI Filing Summary

BlackRock Portfolio Management LLC has filed an amended Schedule 13G reporting its beneficial ownership in Kosmos Energy Ltd. common stock as of 12/31/2025. The firm reports beneficial ownership of 8,291,480 shares, representing 1.7% of Kosmos Energy’s outstanding common stock. It has sole voting power over 7,756,892 shares and sole dispositive power over 8,291,480 shares, with no shared voting or dispositive power.

The filing explains that the position reflects securities beneficially owned, or deemed beneficially owned, by certain business units of BlackRock, Inc. and its affiliates, and confirms that the holdings are managed in the ordinary course of business. The filer certifies that the securities were not acquired for the purpose of changing or influencing control of Kosmos Energy.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

KOSMOS ENERGY LTD

(Name of Issuer)

Common Stock

(Title of Class of Securities)

500688106

(CUSIP Number)

12/31/2025

(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)

SCHEDULE 13G

CUSIP No. 500688106

1

Names of Reporting Persons

BlackRock Portfolio Management LLC

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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 7,756,892.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 8,291,480.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

8,291,480.00

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)

1.7 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: KOSMOS ENERGY LTD
(b)	Address of issuer's principal executive offices: 8176 PARK LANE DALLAS TX 75231
Item 2.
(a)	Name of person filing: BlackRock Portfolio Management LLC In accordance with SEC Release No. 34-39538 (January 12, 1998), this Schedule 13G reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units (collectively, the "Reporting Business Units") of BlackRock, Inc. and its subsidiaries and affiliates. It does not include securities, if any, beneficially owned by other business units whose beneficial ownership of securities are disaggregated from that of the Reporting Business Units in accordance with such release.
(b)	Address or principal business office or, if none, residence: BlackRock Portfolio Management LLC, 50 Hudson Yards New York, NY 10001
(c)	Citizenship: See Item 4 of Cover Page
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 500688106
Item 4.	Ownership
(a)	Amount beneficially owned: 8291480
(b)	Percent of class: 1.7 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 7756892
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 8291480
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
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. Various persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the common stock of KOSMOS ENERGY LTD. No one person's interest in the common stock of KOSMOS ENERGY LTD is more than five percent of the total outstanding common shares.
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. See Exhibit 99
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.

BlackRock Portfolio Management LLC

Signature:	Spencer Fleming
Name/Title:	Managing Director
Date:	01/21/2026

Exhibit Information

Exhibit 24: Power of Attorney Exhibit 99: Item 7

FAQ

What stake does BlackRock Portfolio Management LLC report in KOS?

BlackRock Portfolio Management LLC reports beneficial ownership of 8,291,480 Kosmos Energy (KOS) common shares, representing 1.7% of the outstanding class as of 12/31/2025.

Does BlackRock report control intentions over Kosmos Energy (KOS)?

No. The filer certifies the shares were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing the control of Kosmos Energy.

What voting and dispositive power does BlackRock have over KOS shares?

BlackRock Portfolio Management LLC has sole voting power over 7,756,892 shares and sole dispositive power over 8,291,480 shares, with no shared voting or dispositive power.

Why is this Schedule 13G/A filing for Kosmos Energy (KOS) labeled Amendment No. 2?

The document is marked Amendment No. 2, indicating it updates prior Schedule 13G reports for Kosmos Energy, reflecting the filer’s current beneficial ownership information.

Is any other person reported to hold more than 5% of Kosmos Energy through these BlackRock accounts?

The filing states that various persons may have rights to dividends or sale proceeds, but no one person’s interest exceeds 5% of Kosmos Energy’s total outstanding common shares.

Who signed the Kosmos Energy (KOS) Schedule 13G/A on behalf of BlackRock?

The statement was signed by Spencer Fleming, Managing Director, on 01/21/2026, certifying the information is true, complete, and correct.