Serco Group Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

DB:SEO Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
07 Apr 26	Sell€860,435	Anthony Kirby	Individual	257,146	€3.35
26 Aug 25	Sell€111,932	John Rishton	Individual	43,086	€2.60
18 Aug 25	Sell€174,800	Helen Shaw	Individual	66,115	€2.64

Insider Trading Volume

Insider Buying: SEO insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of SEO?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	1,823,862	0.186%
Employee Share Scheme	4,416,293	0.449%
Private Companies	6,815,979	0.693%
General Public	23,541,877	2.4%
Institutions	946,288,968	96.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 71.91% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10%	BlackRock, Inc.	98,606,735	€276.3m	23.3%	no data
7.04%	JP Morgan Asset Management	69,203,162	€193.9m	2.15%	0.02%
5.82%	Wellington Management Group LLP	57,216,047	€160.3m	-9.79%	0.03%
5.37%	Fidelity International Ltd	52,745,117	€147.8m	0.76%	0.06%
4.19%	Marathon Asset Management Limited	41,172,634	€115.4m	6.36%	0.86%
3.59%	Société Générale Société anonyme	35,244,751	€98.8m	143%	0.27%
3.15%	FMR LLC	30,916,352	€86.6m	26.8%	no data
3.14%	Vanguard Capital Management, LLC	30,861,297	€86.5m	0.66%	no data
2.81%	UBS Asset Management AG	27,573,178	€77.3m	-12.7%	0.01%
2.58%	M&G Investment Management Limited	25,326,625	€71.0m	-2.45%	0.12%
2.23%	Dimensional Fund Advisors LP	21,919,989	€61.4m	1.22%	0.01%
2.06%	LSV Asset Management	20,273,607	€56.8m	-1.04%	0.11%
2.03%	Norges Bank Investment Management	19,928,930	€55.8m	0%	no data
1.95%	Barclays Bank Plc	19,121,959	€53.6m	-6.28%	0.06%
1.94%	Janus Henderson Group plc	19,031,461	€53.3m	16.8%	0.02%
1.92%	Invesco Ltd.	18,919,472	€53.0m	-6.05%	0.01%
1.65%	Legal & General Investment Management Limited	16,257,064	€45.6m	0.38%	0.01%
1.48%	Liontrust Asset Management PLC	14,591,608	€40.9m	-4.15%	0.22%
1.42%	Aberdeen Group Plc	13,936,315	€39.0m	-0.77%	0.02%
1.37%	Vanguard Asset Management, Limited	13,455,237	€37.7m	-1.62%	0.02%
1.34%	Jupiter Fund Management Plc	13,150,834	€36.8m	-1.67%	0.1%
1.32%	State Street Global Advisors, Inc.	12,943,245	€36.3m	-3.67%	no data
1.21%	Abu Dhabi Investment Authority	11,897,081	€33.3m	-6.6%	0.21%
1.15%	Allianz Asset Management GmbH	11,322,061	€31.7m	4.04%	0.03%
1.13%	HSBC Global Asset Management (UK) Limited	11,146,614	€31.2m	-13.6%	0.01%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/06/17 02:26
End of Day Share Price	2026/06/17 00:00
Earnings	2025/12/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Serco Group plc is covered by 25 analysts. 10 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
James Rosenthal	Barclays
Paul Daniel Sullivan	Barclays
Alex Smith	Berenberg