[SCHEDULE 13G/A] Seagate Technology Holdings PLC SEC Filing

Rhea-AI Filing Summary

Seagate Technology Holdings PLC: Capital Research Global Investors (CRGI) reports beneficial ownership of 7,293,420 common shares, representing 3.4% of the 212,217,463 shares believed outstanding. CRGI states these shares are held with sole voting and sole dispositive power, and that CRGI is a division of Capital Research and Management Company together with related investment management entities that provide services under the name "Capital Research Global Investors." The filing certifies the position is held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.

Insights

Financial Analyst

TL;DR CRGI holds a modest, non-controlling stake of 3.4% with sole voting and dispositive power; disclosure is routine.

The report discloses a straightforward beneficial ownership position of 7.29 million shares representing 3.4% of the outstanding common stock. This level is below typical 5% thresholds that often trigger heightened investor scrutiny or indicate activist intent. The declaration of sole voting and dispositive power clarifies control over proxy and disposition decisions for these shares, but the filer also certifies the holding is in the ordinary course of business and not intended to change issuer control. Impact on Seagate's governance or capital structure is limited based on the disclosed stake.

Corporate Governance Expert

TL;DR Ownership disclosure increases transparency but does not indicate a governance shift given the sub-5% stake.

From a governance perspective, the filing provides useful clarity: the reporting person is an investment management group that exercises sole voting and dispositive authority over the reported shares. However, the stake size (3.4%) is modest and the certification that the position is not intended to influence control reduces the likelihood of imminent governance actions. Investors should view this as routine institutional ownership reporting rather than a signal of activist activity.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Seagate Technology Holdings PLC

(Name of Issuer)

Common Stock

(Title of Class of Securities)

G7997R103

(CUSIP Number)

06/30/2025

(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. G7997R103

1

Names of Reporting Persons

Capital Research Global Investors

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 7,293,420.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 7,293,420.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

7,293,420.00

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)

3.4 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Seagate Technology Holdings PLC
(b)	Address of issuer's principal executive offices: 121 Woodlands Avenue 5, Singapore 739009, Singapore
Item 2.
(a)	Name of person filing: Capital Research Global Investors
(b)	Address or principal business office or, if none, residence: 333 South Hope Street, 55th Fl, Los Angeles, CA 90071
(c)	Citizenship: N/A
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: G7997R103
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: 7,293,420 ** **Capital Research Global Investors ("CRGI") is a division of Capital Research and Management Company ("CRMC"), as well as its investment management subsidiaries and affiliates Capital Bank and Trust Company, Capital International, Inc., Capital International Limited, Capital International Sarl, Capital International K.K., Capital Group Private Client Services, Inc., and Capital Group Investment Management Private Limited (together with CRMC, the "investment management entities"). CRGI's divisions of each of the investment management entities collectively provide investment management services under the name "Capital Research Global Investors." CRGI is deemed to be the beneficial owner of 7,293,420 shares or 3.4% of the 212,217,463 shares believed to be outstanding.
(b)	Percent of class: 3.4 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 7,293,420
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 7,293,420
	(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.

Capital Research Global Investors

Signature:	Jae Won Chung
Name/Title:	Vice President and Senior Counsel II, Capital Research and Management Company
Date:	08/05/2025

FAQ

How many STX shares does Capital Research Global Investors report owning?

7,293,420 shares.

What percentage of Seagate (STX) does this ownership represent?

3.4% of the 212,217,463 shares believed to be outstanding.

Does Capital Research Global Investors have voting control over these STX shares?

Yes. The filer reports sole voting power and sole dispositive power for the shares.

Is the reported stake intended to influence control of Seagate (STX)?

The filer certifies the position is held in the ordinary course of business and not to change or influence control of the issuer.

What entity filed the ownership disclosure for STX?

Capital Research Global Investors, a division of Capital Research and Management Company and related investment management entities.