Institutional Schroder group discloses 3.7% AUNA (AUNA) share ownership

Rhea-AI Filing Summary

Schroder Investment Management Group has reported beneficial ownership of 1,098,509 shares of AUNA S.A., representing 3.7% of the outstanding class of SHS as of 12/31/2025. Schroder Investment Management Group and Schroder Investment Management Limited each report sole voting and sole dispositive power over these shares, with no shared voting or dispositive power.

The holders state that the securities were acquired and are held in the ordinary course of business and not for the purpose, or with the effect, of changing or influencing control of AUNA S.A. The filing confirms that their ownership represents 5 percent or less of the class.

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

AUNA S.A.

(Name of Issuer)

SHS

(Title of Class of Securities)

000000000

(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. 000000000

1

Names of Reporting Persons

SCHRODER INVESTMENT MANAGEMENT GROUP

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 1,098,509.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,098,509.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,098,509.00

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)

3.7 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

CUSIP No. 000000000

1

Names of Reporting Persons

Schroder Investment Management 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 1,098,509.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,098,509.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,098,509.00

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)

3.7 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: AUNA S.A.
(b)	Address of issuer's principal executive offices: 6, Rue Jean Monnet, Luxembourg, LU-LU, L-2180, LU
Item 2.
(a)	Name of person filing: Schroders Investment Management Group
(b)	Address or principal business office or, if none, residence: 1 London Wall Place, London, EC2Y 5AU, GB, United Kingdom
(c)	Citizenship: United Kingdom
(d)	Title of class of securities: SHS
(e)	CUSIP No.: 000000000
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: 1,098,509
(b)	Percent of class: 3.7 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1,098,509
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1,098,509
	(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.
	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.

SCHRODER INVESTMENT MANAGEMENT GROUP

Signature:	/s/ Thomas Darnowski
Name/Title:	Chief Executive Officer - Americas
Date:	02/11/2026

Schroder Investment Management Limited

Signature:	/s/ Schroder Investment Management Limited
Name/Title:	Schroder Investment Management Limited
Date:	02/11/2026

Comments accompanying signature: **Authorized by Power of Attorney to sign on behalf of the below Advisers: Schroder Investment Management Group, Schroder Investment Management Limited

FAQ

What percentage of AUNA (AUNA) does Schroder Investment Management Group own?

Schroder Investment Management Group reports beneficial ownership of 3.7% of AUNA S.A.’s SHS class. This corresponds to 1,098,509 shares, giving Schroder entities a minority but notable institutional position in the company’s equity as of the reported date.

How many AUNA (AUNA) shares does Schroder Investment Management Group control?

Schroder Investment Management Group reports beneficial ownership of 1,098,509 AUNA S.A. shares. They have sole voting and sole dispositive power over all these shares, with no shared voting or shared dispositive authority indicated in the ownership breakdown.

Is Schroder Investment Management Group’s stake in AUNA (AUNA) considered passive?

Yes. Schroder states the AUNA S.A. securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control. This language characterizes their 3.7% stake as a passive institutional investment position.

Which Schroder entities report ownership of AUNA (AUNA) shares?

Both Schroder Investment Management Group and Schroder Investment Management Limited report beneficial ownership. Each cites 1,098,509 AUNA S.A. shares with identical sole voting and sole dispositive power figures, reflecting internal group structure for managing the position.

Does Schroder Investment Management Group share voting power over AUNA (AUNA) shares?

No. The reporting indicates sole voting power over 1,098,509 shares and shared voting power of 0. Similarly, Schroder reports sole dispositive power over the same number of shares, with no shared dispositive authority in this ownership disclosure.

What does it mean that Schroder owns 5 percent or less of AUNA (AUNA)?

The disclosure notes ownership of 5 percent or less of AUNA S.A.’s share class, specifically 3.7%. This indicates Schroder is below the 5% threshold often associated with larger block holders, while still maintaining a measurable institutional position in the company.