--- title: "REG - Serco Group PLC - Holding(s) in Company" type: "News" locale: "en" url: "https://longbridge.com/en/news/275348668.md" description: "Serco Group PLC has received a notification regarding significant shareholding changes from BlackRock, Inc. The notification details the voting rights and financial instruments held by BlackRock and its controlled undertakings. The report outlines the total positions and the percentage of voting rights that have crossed the notifiable threshold. The completion date of this notification is noted as well as the place of completion in London, U.K." datetime: "2026-02-09T17:30:00.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/275348668.md) - [en](https://longbridge.com/en/news/275348668.md) - [zh-HK](https://longbridge.com/zh-HK/news/275348668.md) --- > Supported Languages: [简体中文](https://longbridge.com/zh-CN/news/275348668.md) | [繁體中文](https://longbridge.com/zh-HK/news/275348668.md) # REG - Serco Group PLC - Holding(s) in Company 1\. Issuer Details 2\. Reason for Notification 3\. Details of person subject to the notification obligation BlackRock, Inc. 4\. Details of the shareholder Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above 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 notification obligation 8\. Notified details of the resulting situation on the date on which the threshold was crossed or reached 8A. Voting rights attached to shares 8B1. Financial Instruments according to (DTR5.3.1R.(1) (a)) 8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b)) 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 Holdco 3, LLC BlackRock, Inc. (Chain 1) BlackRock Cayman 1 LP BlackRock, Inc. (Chain 1) BlackRock Cayman West Bay Finco Limited BlackRock, Inc. (Chain 1) BlackRock Cayman West Bay IV Limited BlackRock, Inc. (Chain 1) BlackRock Group Limited BlackRock, Inc. (Chain 1) BlackRock Investment Management (UK) Limited 4.980000 0.320000 5.310000% BlackRock, Inc. (Chain 2) BlackRock Saturn Subco, LLC BlackRock, Inc. (Chain 2) BlackRock Finance, Inc. BlackRock, Inc. (Chain 2) BlackRock Holdco 2, Inc. BlackRock, Inc. (Chain 2) BlackRock Financial Management, Inc. BlackRock, Inc. (Chain 2) BlackRock International Holdings, Inc. BlackRock, Inc. (Chain 2) BR Jersey International Holdings L.P. BlackRock, Inc. (Chain 2) BlackRock Australia Holdco Pty. Ltd. BlackRock, Inc. (Chain 2) BlackRock Investment Management (Australia) Limited 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 Holdco 4, LLC BlackRock, Inc. (Chain 3) BlackRock Holdco 6, LLC BlackRock, Inc. (Chain 3) BlackRock Delaware Holdings Inc. BlackRock, Inc. (Chain 3) BlackRock Institutional Trust Company, National Association 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 Holdco 4, LLC BlackRock, Inc. (Chain 4) BlackRock Holdco 6, LLC BlackRock, Inc. (Chain 4) BlackRock Delaware Holdings Inc. BlackRock, Inc. (Chain 4) BlackRock Fund Advisors 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 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 International Holdings, Inc. BlackRock, Inc. (Chain 6) BR Jersey International Holdings L.P. BlackRock, Inc. (Chain 6) BlackRock Holdco 3, LLC BlackRock, Inc. (Chain 6) BlackRock Cayman 1 LP BlackRock, Inc. (Chain 6) BlackRock Cayman West Bay Finco Limited BlackRock, Inc. (Chain 6) BlackRock Cayman West Bay IV Limited BlackRock, Inc. (Chain 6) BlackRock Group Limited BlackRock, Inc. (Chain 6) BlackRock (Netherlands) B.V. BlackRock, Inc. (Chain 6) BlackRock Asset Management Deutschland AG 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 International Holdings, Inc. BlackRock, Inc. (Chain 7) BlackRock Canada Holdings ULC BlackRock, Inc. (Chain 7) BlackRock Asset Management Canada Limited 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 8) BlackRock Capital Holdings, Inc. BlackRock, Inc. (Chain 8) BlackRock Advisors, LLC 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 Holdco 3, LLC BlackRock, Inc. (Chain 9) BlackRock Cayman 1 LP BlackRock, Inc. (Chain 9) BlackRock Cayman West Bay Finco Limited BlackRock, Inc. (Chain 9) BlackRock Cayman West Bay IV Limited BlackRock, Inc. (Chain 9) BlackRock Group Limited BlackRock, Inc. (Chain 9) BlackRock Advisors (UK) Limited 10\. In case of proxy voting 11\. Additional Information 12\. Date of Completion 13\. Place Of Completion 12 Throgmorton Avenue, London, EC2N 2DL, U.K. RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. END HOLBRGDDRDGDGLC ### Related Stocks - [Serco Group plc (SRP.UK)](https://longbridge.com/en/quote/SRP.UK.md) ## Related News & Research - [BlackRock weighs HSBC's Canary Wharf tower for new London headquarters, FT reports](https://longbridge.com/en/news/281123779.md) - [Stora Enso Details Sub‑5% BlackRock Ownership Chain](https://longbridge.com/en/news/281545257.md) - [Qurium Solutions, Inc. acquired Tealbook, Inc.](https://longbridge.com/en/news/281575215.md) - [PTA-PVR: Siemens Energy AG: Release according to Article 40, Section 1 of the WpHG](https://longbridge.com/en/news/281321097.md) - [Fluent Inc. Bets on Commerce Media Pivot](https://longbridge.com/en/news/281269882.md)