[6-K] Haleon plc Current Report (Foreign Issuer)

Rhea-AI Filing Summary

Haleon plc (HLN) published a TR-1 notification reporting a significant shareholding held by Wellington Management group entities. The notification shows 418,575,113 direct voting rights, representing 4.69% of the company's voting rights. In addition, financial instruments reported in the notice amount to 26,175,050 voting rights (sub‑totals listed under 8.B1 and 8.B2), producing a total reported interest of 4.98% when instruments are included. The filing lists multiple Wellington controlled undertakings and indicates the chains of ownership through Wellington Management Group LLP and its affiliates that manage assets for funds and managed accounts. The disclosure is provided under the FCA/DTR rules as required for major holdings.

Positive

• Clear regulatory disclosure: TR-1 provides detailed identification of Wellington Management entities and the voting rights held.
• Material stake reported: Direct holding of 418,575,113 shares (4.69%) and total reported interest of 4.98% including financial instruments.

Negative

• None.

Insights

Financial Analyst

TL;DR: Wellington Management's combined stake approaches 5%, disclosed clearly; this is a routine major‑shareholder filing without operational detail.

The TR-1 shows Wellington-affiliated entities hold 418,575,113 direct voting rights (4.69%) and report 26,175,050 voting rights via financial instruments, for a 4.98% total interest. This level is notable as it nears common disclosure thresholds but the filing contains no financial performance, strategic changes, or transaction terms that would materially affect Haleon's operations or guidance. For investors, the filing signals concentrated institutional ownership and transparency on derivatives/exposure, but it does not itself change company fundamentals.

Corporate Governance Expert

TL;DR: The submission fulfills regulatory transparency by mapping the full chain of Wellington controlled undertakings and instrument exposures.

The document provides the full chain of control from Wellington Management Group LLP through its investment management entities and lists specific nominee accounts and equity swap positions with exercise dates. That level of disclosure aligns with DTR requirements and helps clarify voting influence and potential proxy arrangements. The notice does not allege any change in board control or governance actions; it is a compliance disclosure of shareholding levels and instrument positions.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2025

Commission File Number: 001-41411

Haleon plc

(Translation of registrant’s name into English)

Building 5, First Floor, The Heights,

Weybridge, Surrey, KT13 0NY

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F ☒ Form 40-F ☐

EXHIBIT INDEX

Exhibit Number	Description
99.1	24 September 2025- “Holding(s) in Company”

99.1

Haleon plc: Holding(s) in Company

24 September 2025: Haleon plc (the "Company" or "Haleon") (LSE/NYSE: HLN) today publishes the below TR-1 notification of major holdings in the Company.

This announcement is made in accordance with the requirements of DTR 5.8.12R(1).

Shareholders should refer to the Company's announcement regarding Haleon's total voting rights to determine if they are required to notify their interest in, or a change to their interests in the Company under the FCA's Disclosure Guidance and Transparency Rules.

Notifiable interests in Haleon may be sent to: company.secretary@haleon.com

TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

GB00BMX86B70

Issuer Name

HALEON PLC

UK or Non-UK Issuer

UK

2. Reason for Notification

An acquisition or disposal of voting rights

3. Details of person subject to the notification obligation

Name

Wellington Management Group LLP

City of registered office (if applicable)

Boston

Country of registered office (if applicable)

United States

4. Details of the shareholder

Name	City of registered office	Country of registered office
Vidacos Nominees Limited
State Street Nominees Limited
ROY Nominees Limited
Nortrust Nominees Limited
Mellon Nominees (UK) Ltd.
JP Morgan Chase Nominees Limited
HSBC Global Custody Nominee (UK) Limited
Goldman Sachs International
BNY Mellon Nominees Limited
BNY (OCS) Nominees Limited
BBH ISL Nominees Ltd

5. Date on which the threshold was crossed or reached

23-Sep-2025

6. Date on which Issuer notified

24-Sep-2025

7. Total positions of person(s) subject to the notification obligation

	% of voting rights attached to shares (total of 8.A)	% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)	Total of both in % (8.A + 8.B)	Total number of voting rights held in issuer
Resulting situation on the date on which threshold was crossed or reached	4.690000	0.290000	4.980000	444957354
Position of previous notification (if applicable)	4.720000	0.290000	5.010000

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached

8A. Voting rights attached to shares

Class/Type of shares ISIN code(if possible)	Number of direct voting rights (DTR5.1)	Number of indirect voting rights (DTR5.2.1)	% of direct voting rights (DTR5.1)	% of indirect voting rights (DTR5.2.1)
GB00BMX86B70		418575113		4.690000
Sub Total 8.A	418575113		4.690000%

8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))

Type of financial instrument	Expiration date	Exercise/conversion period	Number of voting rights that may be acquired if the instrument is exercised/converted	% of voting rights
Depository receipt			26175050	0.290000
Sub Total 8.B1			26175050	0.290000%

8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))

Type of financial instrument	Expiration date	Exercise/conversion period	Physical or cash settlement	Number of voting rights	% of voting rights
Equity swap	05/05/2028	05/05/2028	Cash	87226	0.000000
Equity swap	15/05/2033	15/05/2033	Cash	25228	0.000000
Equity swap	20/05/2033	20/05/2033	Cash	94737	0.000000
Sub Total 8.B2				207191	0.000000%

9. Information in relation to the person subject to the notification obligation

2. Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary)

Ultimate controlling person	Name of controlled undertaking	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial instruments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold
Wellington Management Group LLP (Chain 1)	Wellington Group Holdings LLP
Wellington Management Group LLP (Chain 1)	Wellington Investment Advisors Holdings LLP
Wellington Management Group LLP (Chain 1)	Wellington Management Company LLP
Wellington Management Group LLP (Chain 2)	Wellington Group Holdings LLP
Wellington Management Group LLP (Chain 2)	Wellington Investment Advisors Holdings LLP
Wellington Management Group LLP (Chain 2)	Wellington Management Global Holdings, Ltd.
Wellington Management Group LLP (Chain 2)	Wellington Management International Ltd
Wellington Management Group LLP (Chain 3)	Wellington Group Holdings LLP
Wellington Management Group LLP (Chain 3)	Wellington Investment Advisors Holdings LLP
Wellington Management Group LLP (Chain 3)	Wellington Management Global Holdings, Ltd.
Wellington Management Group LLP (Chain 3)	Wellington Management Hong Kong Ltd
Wellington Management Group LLP (Chain 4)	Wellington Group Holdings LLP
Wellington Management Group LLP (Chain 4)	Wellington Investment Advisors Holdings LLP
Wellington Management Group LLP (Chain 4)	Wellington Management Global Holdings, Ltd.
Wellington Management Group LLP (Chain 4)	Wellington Management Europe GmbH

10. In case of proxy voting

Name of the proxy holder

The number and % of voting rights held

The date until which the voting rights will be held

11. Additional Information

Wellington Management Company LLP is an investment management entity that manages the assets of certain funds and/or managed accounts.Wellington Management Company LLP is a direct controlled undertaking of Wellington Investment Advisors Holdings LLP, which, in turn, is a direct controlled undertaking of Wellington Group Holdings LLP, which, in turn, is a direct controlled undertaking of Wellington Management Group LLP.

Wellington Management International Ltd, Wellington Management Hong Kong Ltd and Wellington Management Europe GmbH are investment management entities that manage the assets of certain funds and/or managed accounts.

Wellington Management International Ltd, Wellington Management Hong Kong Ltd and Wellington Management Europe GmbH are direct controlled undertakings of Wellington Management Global Holdings, Ltd., which, in turn, is a direct controlled undertaking of Wellington Investment Advisors Holdings LLP, which, in turn, is a direct controlled undertaking of Wellington Group Holdings LLP, which, in turn, is a direct controlled undertaking of Wellington Management Group LLP.

12. Date of Completion

24-Sep-2025

13. Place Of Completion

London, UK

Amanda Mellor, Company Secretary

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		HALEON PLC (Registrant)
Date: September 24, 2025	By:	/s/ Amanda Mellor
		Name:	Amanda Mellor
		Title:	Company Secretary

FAQ

What stake in Haleon (HLN) did Wellington Management report?

Wellington-affiliated entities reported 418,575,113 direct voting rights (4.69%) and 26,175,050 voting rights via financial instruments, totaling 4.98%.

Does the 6-K/TR-1 filing indicate a change in control of Haleon (HLN)?

No. The filing reports a major holding and the ownership chain but does not indicate any change in board control or governance actions.

Which Wellington entities are named in the notification for HLN?

The filing lists Wellington Management Group LLP and a chain of controlled undertakings including Wellington Investment Advisors Holdings LLP, Wellington Group Holdings LLP, Wellington Management Global Holdings, Ltd., and investment management entities such as Wellington Management Company LLP and Wellington Management International Ltd.

Are financial instruments included in Wellington's reported HLN position?

Yes. The TR-1 lists financial instrument positions (equity swaps and related instruments) totaling 26,175,050 voting rights across specified instruments and expiry dates.

When was the notification completed for Haleon (HLN)?

The document shows completion and signature in London by the Company Secretary with the date September 24, 2025.