Rentokil Initial: BlackRock reports 13.44% voting rights

The reported position also includes American Depositary Receipts, securities lending, CFDs and ELNs.

Rhea-AI Filing Summary

Rentokil Initial plc reported BlackRock, Inc.'s resulting position after it crossed a major-holdings notification threshold on October 2, 2026: 13.44% of voting rights. The position included 10.14% attached to shares and 3.30% through financial instruments, with a reported total of 340,315,749 voting rights. Of that total, 256,149,103 were indirect voting rights attached to shares. The issuer was notified on October 5, 2026.

Filing Explained

BlackRock’s reported 3.30% instrument position includes ADR and securities-lending entries with voting rights shown as acquirable on exercise or conversion, and cash-settled CFD and ELN entries; the ELN is listed with an October 8, 2026 expiration, so the instrument portion is not all voting rights attached to shares.

Key Figures

Total reported voting position: 13.44% Voting rights attached to shares: 10.14% Voting rights through financial instruments: 3.30% +4 more

7 metrics

Total reported voting position 13.44% Resulting position on October 2, 2026

Voting rights attached to shares 10.14% Resulting position on October 2, 2026

Voting rights through financial instruments 3.30% Resulting position on October 2, 2026

Total voting rights held 340,315,749 voting rights Resulting position on October 2, 2026

Indirect voting rights attached to shares 256,149,103 voting rights Section 8.A resulting position

Voting rights under 8.B1 financial instruments 79,246,765 voting rights Subtotal for American Depositary Receipt and Securities Lending

Voting rights under 8.B2 financial instruments 4,919,881 voting rights Subtotal for CFD and ELN

Key Terms

American Depositary Receipt, Securities Lending, CFD, ELN, +1 more

5 terms

American Depositary Receipt financial

"American Depositary Receipt"

An American depositary receipt (ADR) is a certificate that represents shares of a foreign company traded on U.S. stock exchanges. It allows investors to buy and sell parts of a foreign company's stock easily, much like purchasing shares of a company based in their own country. ADRs make international investing more convenient and accessible for U.S. investors.

Securities Lending financial

"Securities Lending"

Securities lending is when an owner of stocks or bonds temporarily loans them to another party, usually so the borrower can sell them short or meet settlement needs; the lender receives a fee and typically some form of security in return. Investors should care because lending can generate extra income on holdings and affects market liquidity and short-selling activity, much like renting out a spare room brings income while someone else uses the space.

CFD financial

"CFD"

A CFD (contract for difference) is a financial agreement that lets an investor profit from the change in an asset’s price without actually owning that asset — like betting on a car’s value rising or falling without buying the car. It matters because CFDs use leverage, which can amplify gains and losses and allow easy access to different markets, so they change an investor’s potential return and risk profile and can lead to rapid losses if prices move unfavorably.

ELN financial

"ELN"

financial instruments financial

"voting rights through financial instruments"

Financial instruments are assets or contracts that hold monetary value and can be bought, sold, or traded. They serve as tools for investors to grow, protect, or transfer money, much like how a ticket or voucher can be used to access goods or services. These instruments help individuals and organizations manage financial goals and risks across different markets and economic conditions.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many voting rights did BlackRock report for RTO?

BlackRock reported 340,315,749 total voting rights in Rentokil Initial plc, equal to 13.44% of voting rights on October 2, 2026. The position comprised 10.14% attached to shares and 3.30% through financial instruments.

What financial instruments were included in BlackRock's RTO notification?

BlackRock's notice listed American Depositary Receipt and Securities Lending in one financial-instrument table, and cash-settled CFDs and ELNs in a separate table for instruments with similar economic effect.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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 October 2026

Commission File Number: 001-41524

___________________________________

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 06 October 2026

TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

GB00B082RF11

Issuer Name

RENTOKIL INITIAL 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

BlackRock, Inc.

City of registered office (if applicable)

Wilmington

Country of registered office (if applicable)

USA

4. Details of the shareholder

Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above

City of registered office (if applicable)

Country of registered office (if applicable)

5. Date on which the threshold was crossed or reached

02-Oct-2026

6. Date on which Issuer notified

05-Oct-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 issuer
Resulting situation on the date on which threshold was crossed or reached	10.140000	3.300000	13.440000	340315749
Position of previous notification (if applicable)	9.980000	3.440000	13.420000

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)
GB00B082RF11		256149103		10.140000
Sub Total 8.A	256149103		10.140000%

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
American Depositary Receipt			63130557	2.490000
Securities Lending			16116208	0.630000
Sub Total 8.B1			79246765	3.120000%

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
CFD			Cash	1743681	0.060000
ELN	08/10/2026		Cash	3176200	0.120000
Sub Total 8.B2				4919881	0.180000%

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
BlackRock, Inc. (Chain 1)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 1)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 1)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 1)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 1)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 1)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 1)	BlackRock (Singapore) Holdco Pte. Ltd.
BlackRock, Inc. (Chain 1)	BlackRock HK Holdco Limited
BlackRock, Inc. (Chain 1)	BlackRock Lux Finco S.a.r.l.
BlackRock, Inc. (Chain 1)	BlackRock Japan Holdings GK
BlackRock, Inc. (Chain 1)	BlackRock Japan Co., Ltd.
BlackRock, Inc. (Chain 2)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 2)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 2)	Trident Merger, LLC
BlackRock, Inc. (Chain 2)	BlackRock Investment Management, LLC
BlackRock, Inc. (Chain 3)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 3)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 3)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 3)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 3)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 3)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 3)	BlackRock Holdco 3, LLC
BlackRock, Inc. (Chain 3)	BlackRock Cayman 1 LP
BlackRock, Inc. (Chain 3)	BlackRock Cayman West Bay Finco Limited
BlackRock, Inc. (Chain 3)	BlackRock Cayman West Bay IV Limited
BlackRock, Inc. (Chain 3)	BlackRock Group Limited
BlackRock, Inc. (Chain 3)	BlackRock Investment Management (UK) Limited
BlackRock, Inc. (Chain 4)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 4)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 4)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 4)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 4)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 4)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 4)	BlackRock (Singapore) Holdco Pte. Ltd.
BlackRock, Inc. (Chain 4)	BlackRock HK Holdco Limited
BlackRock, Inc. (Chain 4)	BlackRock Lux Finco S.a.r.l.
BlackRock, Inc. (Chain 4)	BlackRock Investment Management (Taiwan) Limited
BlackRock, Inc. (Chain 5)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 5)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 5)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 5)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 5)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 5)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 5)	BlackRock Australia Holdco Pty. Ltd.
BlackRock, Inc. (Chain 5)	BlackRock Investment Management (Australia) Limited
BlackRock, Inc. (Chain 6)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 6)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 6)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 6)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 6)	BlackRock Holdco 4, LLC
BlackRock, Inc. (Chain 6)	BlackRock Holdco 6, LLC
BlackRock, Inc. (Chain 6)	BlackRock Delaware Holdings Inc.
BlackRock, Inc. (Chain 6)	BlackRock Institutional Trust Company, National Association
BlackRock, Inc. (Chain 7)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 7)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 7)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 7)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 7)	BlackRock Holdco 4, LLC
BlackRock, Inc. (Chain 7)	BlackRock Holdco 6, LLC
BlackRock, Inc. (Chain 7)	BlackRock Delaware Holdings Inc.
BlackRock, Inc. (Chain 7)	BlackRock Fund Advisors
BlackRock, Inc. (Chain 8)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 8)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 8)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 8)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 9)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 9)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 9)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 9)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 9)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 9)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 9)	BlackRock (Singapore) Holdco Pte. Ltd.
BlackRock, Inc. (Chain 9)	BlackRock HK Holdco Limited
BlackRock, Inc. (Chain 9)	BlackRock Asset Management North Asia Limited
BlackRock, Inc. (Chain 10)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 10)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 10)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 10)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 10)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 10)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 10)	BlackRock Holdco 3, LLC
BlackRock, Inc. (Chain 10)	BlackRock Cayman 1 LP
BlackRock, Inc. (Chain 10)	BlackRock Cayman West Bay Finco Limited
BlackRock, Inc. (Chain 10)	BlackRock Cayman West Bay IV Limited
BlackRock, Inc. (Chain 10)	BlackRock Group Limited
BlackRock, Inc. (Chain 10)	BlackRock (Netherlands) B.V.
BlackRock, Inc. (Chain 10)	BlackRock Asset Management Deutschland AG
BlackRock, Inc. (Chain 11)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 11)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 11)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 11)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 11)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 11)	BlackRock Canada Holdings ULC
BlackRock, Inc. (Chain 11)	BlackRock Asset Management Canada Limited
BlackRock, Inc. (Chain 12)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 12)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 12)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 12)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 12)	BlackRock Capital Holdings, Inc.
BlackRock, Inc. (Chain 12)	BlackRock Advisors, LLC
BlackRock, Inc. (Chain 13)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 13)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 13)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 13)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 13)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 13)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 13)	BlackRock Holdco 3, LLC
BlackRock, Inc. (Chain 13)	BlackRock Cayman 1 LP
BlackRock, Inc. (Chain 13)	BlackRock Cayman West Bay Finco Limited
BlackRock, Inc. (Chain 13)	BlackRock Cayman West Bay IV Limited
BlackRock, Inc. (Chain 13)	BlackRock Group Limited
BlackRock, Inc. (Chain 13)	BlackRock Advisors (UK) Limited
BlackRock, Inc. (Chain 14)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 14)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 14)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 14)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 14)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 14)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 14)	BlackRock (Singapore) Holdco Pte. Ltd.
BlackRock, Inc. (Chain 14)	BlackRock (Singapore) Limited
BlackRock, Inc. (Chain 15)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 15)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 15)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 15)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 15)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 15)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 15)	Acero LLC
BlackRock, Inc. (Chain 15)	Phoenix Acquisition LLC
BlackRock, Inc. (Chain 15)	BlackRock Mexico Operadora, S.A. de C.V., Sociedad Operadora de Fondos de Inversion
BlackRock, Inc. (Chain 16)	BlackRock Saturn Subco, LLC
BlackRock, Inc. (Chain 16)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 16)	Trident Merger, LLC
BlackRock, Inc. (Chain 16)	BlackRock Investment Management, LLC
BlackRock, Inc. (Chain 16)	Amethyst Intermediate, LLC
BlackRock, Inc. (Chain 16)	Aperio Holdings, LLC
BlackRock, Inc. (Chain 16)	Aperio Group, LLC

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

If date does not apply, explain below

11. Additional Information

BlackRock Regulatory Threshold Reporting Team

Jana Blumenstein

020 7743 3650

12. Date of Completion

05th October 2026

13. Place Of Completion

12 Throgmorton Avenue, London, EC2N 2DL, U.K.

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: 06 October 2026	RENTOKIL INITIAL PLC
	/s/ Rachel Canham
	Name: Rachel Canham
	Title: Group General Counsel and Company Secretary