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SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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

For the month of August 2025

Commission File Number: 001-41411

(Translationof registrant’s name into English)

Building 5, First Floor, The Heights,

Weybridge, Surrey, KT13 0NY

(Addressof principal executive offices)

Indicateby check mark whether the registrant files or will file annualreports under cover of Form 20-F or Form 40-F:

Form20-F ☒

Form40-F ☐

ExhibitNumber	Description
99.1	20August 2025 - “Holding(s) in Company”

Haleon plc: Holding(s) in Company

20 August 2025: Haleonplc (the "Company" or "Haleon") (LSE/NYSE: HLN) today publishes thebelow TR-1 notification of major holdings in theCompany.

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

Shareholders should refer to the Company's announcement regardingHaleon's total voting rights to determine if they are required tonotify their interest in, or a change to their interests in theCompany under the FCA's Disclosure Guidance and TransparencyRules.

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

TR-1: Standard form for notification of major holdings

2. Reason for Notification

An acquisition or disposal of voting rights

3. Details of person subject to the notificationobligation

Wellington Management Group LLP

City of registered office (if applicable)

Country of registered office (if applicable)

4. Details of the shareholder

Name	Cityof registered office	Countryof registered office
VidacosNominees Limited
StateStreet Nominees Limited
ROYNominees Limited
Nortrust NomineesLimited
MellonNominees (UK) Ltd.
JPMorgan Chase Nominees Limited
HSBCGlobal Custody Nominee (UK) Limited
GoldmanSachs International
BNYMellon Nominees Limited
BNY(OCS) Nominees Limited
BBH ISLNominees Ltd

5. Date on which the threshold was crossed or reached

6. Date on which Issuer notified

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

	%of voting rights attached to shares (total of 8.A)	%of voting rights through financial instruments (total of 8.B 1 +8.B 2)	Totalof both in % (8.A + 8.B)	Totalnumber of voting rights held in issuer
Resulting situationon the date on which threshold was crossed or reached	4.720000	0.290000	5.010000	449993713
Position ofprevious notification (if applicable)	4.660000	0.300000	4.960000

8. Notified details of the resulting situation on the date on whichthe 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		423379327		4.720000
SubTotal 8.A	423379327		4.720000%

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 isexercised/converted	% of voting rights
Depositoryreceipt			26420926	0.290000
SubTotal 8.B1			26420926	0.290000%

8B2. Financial Instruments with similar economic effect accordingto (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
Equityswap	05/05/2028	05/05/2028	Cash	72383	0.000000
Equityswap	15/05/2033	15/05/2033	Cash	26039	0.000000
Equityswap	20/05/2033	20/05/2033	Cash	95038	0.000000
SubTotal 8.B2				193460	0.000000%

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

2. Full chain of controlled undertakings through which the votingrights and/or the financial instruments are effectively heldstarting with the ultimate controlling natural person or legalentities (please add additional rows as necessary)

Ultimate controlling person	Name of controlled undertaking	% of voting rights if it equals or is higher than the notifiablethreshold	% of voting rights through financial instruments if it equals or ishigher than the notifiable threshold	Total of both if it equals or is higher than the notifiablethreshold
WellingtonManagement Group LLP (Chain 1)	Wellington GroupHoldings LLP			5.010000%
WellingtonManagement Group LLP (Chain 1)	WellingtonInvestment Advisors Holdings LLP			5.010000%
WellingtonManagement Group LLP (Chain 1)	WellingtonManagement Company LLP
WellingtonManagement Group LLP (Chain 2)	Wellington GroupHoldings LLP			5.010000%
WellingtonManagement Group LLP (Chain 2)	WellingtonInvestment Advisors Holdings LLP			5.010000%
WellingtonManagement Group LLP (Chain 2)	WellingtonManagement Global Holdings, Ltd.
WellingtonManagement Group LLP (Chain 2)	WellingtonManagement International Ltd
WellingtonManagement Group LLP (Chain 3)	Wellington GroupHoldings LLP			5.010000%
WellingtonManagement Group LLP (Chain 3)	WellingtonInvestment Advisors Holdings LLP			5.010000%
WellingtonManagement Group LLP (Chain 3)	WellingtonManagement Global Holdings, Ltd.
WellingtonManagement Group LLP (Chain 3)	WellingtonManagement Hong Kong Ltd
WellingtonManagement Group LLP (Chain 4)	Wellington GroupHoldings LLP			5.010000%
WellingtonManagement Group LLP (Chain 4)	WellingtonInvestment Advisors Holdings LLP			5.010000%
WellingtonManagement Group LLP (Chain 4)	WellingtonManagement Global Holdings, Ltd.
WellingtonManagement Group LLP (Chain 4)	WellingtonManagement 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 managemententity that manages the assets of certain funds and/or managedaccounts.Wellington Management Company LLP is a direct controlledundertaking of Wellington Investment Advisors Holdings LLP, which,in turn, is a direct controlled undertaking of Wellington GroupHoldings LLP, which, in turn, is a direct controlled undertaking ofWellington Management Group LLP.Wellington Management InternationalLtd, Wellington Management Hong Kong Ltd and Wellington ManagementEurope GmbH are investment management entities that manage theassets of certain funds and/or managed accounts.WellingtonManagement International Ltd, Wellington Management Hong Kong Ltdand Wellington Management Europe GmbH are direct controlledundertakings of Wellington Management Global Holdings, Ltd., which,in turn, is a direct controlled undertaking of WellingtonInvestment Advisors Holdings LLP, which, in turn, is a directcontrolled undertaking of Wellington Group Holdings LLP, which, inturn, is a direct controlled undertaking of Wellington ManagementGroup LLP.

12. Date of Completion

13. Place Of Completion

Amanda Mellor, Company Secretary

Pursuantto the requirements of the Securities Exchange Act of 1934, theregistrant has duly caused this report to be signed on its behalfby the undersigned, thereunto duly authorized.

		HALEON PLC (Registrant)
Date:August 20, 2025	By:	/s/Amanda Mellor
		Name:	AmandaMellor
		Title:	CompanySecretary