[SCHEDULE 13G] Borr Drilling Ltd SEC Filing

Rhea-AI Filing Summary

AZVALOR ASSET MANAGEMENT SGIIC SA, a Spanish investment firm, has filed a Schedule 13G reporting a passive ownership stake in Borr Drilling Ltd. The firm reports beneficial ownership of 28,606,167 BORR DRILLING shares, representing 10.01% of the class. AZVALOR has sole power to vote and dispose of all these shares, with no shared voting or dispositive power.

The filing states that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Borr Drilling. The report is signed on behalf of AZVALOR by its CFO, Sergio Fernandez Pacheco.

Insights

Equity ownership & governance analyst

AZVALOR discloses a 10.01% passive stake in Borr Drilling.

AZVALOR ASSET MANAGEMENT SGIIC SA reports beneficial ownership of 28,606,167 BORR DRILLING shares, equal to 10.01% of the outstanding class. The firm holds sole voting and dispositive power over all reported shares, indicating centralized control of this position within one institutional holder.

The filing uses the Schedule 13G format and explicitly certifies that the position is held in the ordinary course of business and is not aimed at changing or influencing control of Borr Drilling Ltd. That certification distinguishes this as a passive stake rather than an activist position.

The disclosure confirms a sizable institutional owner with more than five percent of the company’s equity and above the ten percent threshold. Any future changes in ownership or a shift to a different filing type would be observable in subsequent beneficial ownership reports.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Borr Drilling Ltd

(Name of Issuer)

BORR DRILLING

(Title of Class of Securities)

G1466R173

(CUSIP Number)

11/14/2025

(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. G1466R173

1

Names of Reporting Persons

AZVALOR ASSET MANAGEMENT SGIIC SA

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

SPAIN

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 28,606,167.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 28,606,167.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

28,606,167.00

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)

10.0 %

12

Type of Reporting Person (See Instructions)

IV

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Borr Drilling Ltd
(b)	Address of issuer's principal executive offices: S.E. PEARMAN BUILDING, 2ND FLOOR 9 PAR-LA-VILLE ROAD, HAMILTON, BERMUDA, HM11
Item 2.
(a)	Name of person filing: JAVIER CASAMAYOR
(b)	Address or principal business office or, if none, residence: PASEO DE LA CASTELLANA 110.28046 MADRID, SPAIN
(c)	Citizenship: SPAIN
(d)	Title of class of securities: BORR DRILLING
(e)	CUSIP No.: G1466R173
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: 28.606.167
(b)	Percent of class: 10.01 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 28.606.167
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 28.606.167
	(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.

AZVALOR ASSET MANAGEMENT SGIIC SA

Signature:	SERGIO FERNANDEZ PACHECO
Name/Title:	CFO
Date:	11/25/2025

FAQ

Who is the reporting owner in the BORR Schedule 13G filing?

The reporting owner is AZVALOR ASSET MANAGEMENT SGIIC SA, an investment firm organized in Spain.

How many Borr Drilling (BORR) shares does AZVALOR beneficially own?

AZVALOR reports beneficial ownership of 28,606,167 BORR DRILLING shares with sole voting and dispositive power over all of them.

What percentage of Borr Drilling’s shares does AZVALOR own?

AZVALOR states that its 28,606,167 shares represent 10.01% of the class of BORR DRILLING securities.

Is AZVALOR’s BORR stake classified as passive or activist?

The Schedule 13G certification states the BORR securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Borr Drilling.

Does AZVALOR share voting or dispositive power over BORR shares with others?

No. AZVALOR reports sole voting power and sole dispositive power over all 28,606,167 BORR shares, with no shared power reported.

Who signed the Schedule 13G for Borr Drilling on behalf of AZVALOR?

The Schedule 13G is signed by Sergio Fernandez Pacheco, identified as CFO, with a signature date of 11/25/2025.