UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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FORM 6-K

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REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of March 2026

Commission File Number: 001-41524

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Rentokil Initial plc

(Registrant’s name)

___________________________________

Compass House

Manor Royal

Crawley

West Sussex RH10 9PY

United Kingdom

(Address of principal executive office)

_____________________________________

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 ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

Holding(s) in Company dated 12 March 2026

TR-1: Standard form for notification of major holdings

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible)i

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attachedii:			Rentokil Initial PLC
1b. Please indicate if the issuer is a non-UK issuer (please mark with an "X" if appropriate)
Non-UK issuer
2. Reason for the notification (please mark the appropriate box or boxes with an "X")
An acquisition or disposal of voting rights
An acquisition or disposal of financial instruments
An event changing the breakdown of voting rights
Other (please specify)iii: Change in nature of holding due to security lending						X
3. Details of person subject to the notification obligationiv
Name			GIC Private Limited
City and country of registered office (if applicable)			Singapore, Singapore
4. Full name of shareholder(s) (if different from 3.)v
Name			Vidacos Nominees Limited, Nortrust Nominees Limited, The Northern Trust Company AVFC
City and country of registered office (if applicable)			London, United Kingdom
5. Date on which the threshold was crossed or reachedvi:			10/03/2026
6. Date on which issuer notified (DD/MM/YYYY):			11/03/2026
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 issuervii
Resulting situation on the date on which threshold was crossed or reached	3.016405%	0.170558%		3.186963%	80,503,946
Position of previous notification (ifapplicable)	2.966041%	0.287844%		3.253885%

8. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii
A: Voting rights attached to shares
Class/type ofshares ISIN code (if possible)	Number of voting rightsix		% of voting rights
	Direct (DTR5.1)	Indirect (DTR5.2.1)	Direct (DTR5.1)	Indirect (DTR5.2.1)
Equity: GB00B082RF11	47,119,357	29,076,235	1.865345%	1.151060%

SUBTOTAL 8. A	76,195,592		3.016405%

B 1: Financial Instruments according to DTR5.3.1R (1) (a)
Type of financial instrument	Expirationdatex	Exercise/Conversion Periodxi	Number of voting rights that may be acquired if the instrument is exercised/converted.	% of voting rights
Equity: Lent Securities for GB00B082RF11	N/A	N/A	4,308,354	0.170558%

		SUBTOTAL 8. B 1	4,308,354	0.170558%

B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b)
Type of financial instrument	Expirationdatex	Exercise/Conversion Period xi	Physical or cash settlementxii	Number of voting rights	% of voting rights

			SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an "X")
Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuerxiii
Full chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held starting with the ultimate controlling natural person or legal entityxiv (please add additional rows as necessary)				X
Namexv	% 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
GIC Private Limited	3.016405% (1.865345% direct and 1.151060% indirect)	0.170558%	3.186963%

GIC (Ventures) Pte Ltd	Less than 3%
GIC Blue Holdings Pte Ltd	Less than 3%
Purple Green Investment Pte Ltd	Less than 3%

GIC (Ventures) Pte Ltd	Less than 3%
GIC Blue Holdings Pte Ltd	Less than 3%
Clear Turquoise Investment Pte Ltd	Less than 3%

10. In case of proxy voting, please identify:
Name of the proxy holder
The number and % of voting rights held
The date until which the voting rights will be held

11. Additional informationxvi
GIC Private Limited ("GIC") has the full discretion to determine how the voting power held by Purple Green Investment Pte Ltd ("Purple Green") is exercised. Purple Green is a wholly owned subsidiary of GIC Blue Holdings Pte Ltd ("GIC Blue"), which is in turn wholly owned by GIC (Ventures) Pte Ltd. Both GIC Blue and Purple Green are part of a group of investment entities held by GIC (Ventures) Pte Ltd and are investment holding companies with no operational activities. GIC Private Limited ("GIC") has the full discretion to determine how the voting power held by Clear Turquoise Investment Pte Ltd ("Clear Turquoise") is exercised. Clear Turquoise is a wholly owned subsidiary of GIC Blue Holdings Pte Ltd ("GIC Blue"), which is in turn wholly owned by GIC (Ventures) Pte Ltd. Both GIC Blue and Clear Turquoise are part of a group of investment entities held by GIC (Ventures) Pte Ltd and are investment holding companies with no operational activities.

Place of completion	Singapore
Date of completion	10/03/2026

SIGNATURES

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.

Date: 12 March 2026	RENTOKIL INITIAL PLC
	/s/ Rachel Canham
	Name: Rachel Canham
	Title: Group General Counsel and Company Secretary

RENTOKIL INITIAL PLC /FI 6-K