U.K. High Insider Buying

HSBC Holdings

Market Cap: UK£229.8b

Engages in the provision of banking and financial products and services worldwide.

GSK

Market Cap: UK£87.0b

Engages in the research, development, and manufacture of vaccines, specialty medicines, and general medicines to prevent and treat disease in the United Kingdom, the United States, and internationally.

NatWest Group

Market Cap: UK£49.0b

Provides banking and financial products and services in the United Kingdom and internationally.

Anglo American

Market Cap: UK£37.6b

A mining company, produces copper, iron ore, and crop nutrients in the United Kingdom and internationally.

SSE

Market Cap: UK£33.2b

Engages in the generation, transmission, distribution, and supply of electricity.

Diageo

Market Cap: UK£32.0b

Engages in the production, marketing, and distribution of alcoholic beverages in North America, Europe, the Asia Pacific, Latin America and Caribbean, and Africa.

3i Group

Market Cap: UK£27.4b

A private equity firm specializing in mature companies, growth capital, middle markets, infrastructure, and management leveraged buyouts and buy-ins.

Experian

Market Cap: UK£23.1b

Operates as a data and technology company in North America, Latin America, the United Kingdom, Ireland, Europe, the Middle East, Africa, and the Asia Pacific.

BT Group

Market Cap: UK£21.5b

Provides communications products and services in the United Kingdom, Europe, the Middle East, Africa, the Americas, and the Asia Pacific.

Legal & General Group

Market Cap: UK£14.5b

Provides various insurance products and services in the United Kingdom, the United States, and internationally.

Rentokil Initial

Market Cap: UK£12.5b

Provides route-based services in North America, Europe, the United Kingdom, Asia, the Middle East, North Africa, Turkey, and Pacific.

SEGRO

Market Cap: UK£9.4b

A UK Real Estate Investment Trust (REIT), listed on the London Stock Exchange and Euronext Paris, and is a leading owner, manager and developer of modern warehouses and industrial property.

Smiths Group

Market Cap: UK£7.6b

Operates as an industrial technology company in Americas, Europe, the Asia Pacific, and internationally.

Melrose Industries

Market Cap: UK£6.6b

Designs and delivers aerospace components and systems for civil and defence markets in the United Kingdom, rest of Europe, North America, and internationally.

Games Workshop Group

Market Cap: UK£6.3b

Engages in the design, manufacture, distribution, and sale of fantasy miniature figures and games in the United Kingdom, Continental Europe, North America, Australia, New Zealand, Asia, and internationally.

Intertek Group

Market Cap: UK£5.8b

Provides quality assurance solutions to various industries in the United Kingdom, the United States, China, Australia, and internationally.

Spirax Group

Market Cap: UK£5.5b

Provides thermal energy and fluid technology solutions in Europe, the Middle East, Africa, the Asia Pacific, and the Americas.

Whitbread

Market Cap: UK£4.2b

Operates hotels and restaurants in the United Kingdom, Germany, and internationally.

Tritax Big Box REIT

Market Cap: UK£4.1b

Tritax Big Box REIT plc is the largest listed investor in high-quality logistics warehouse assets and controls the largest logistics-focused land platform in the UK.

Zegona Communications

Market Cap: UK£4.0b

Provides integrated telecommunications services in Spain.

Barratt Redrow

Market Cap: UK£3.7b

Engages in the housebuilding business in the United Kingdom.

JD Sports Fashion

Market Cap: UK£3.7b

Engages in the retail of branded sports fashion and outdoor clothing, footwear, accessories, and equipment for women and men in the United Kingdom, Europe, North America, the Asia Pacific, and internationally.

Aberdeen Group

Market Cap: UK£3.6b

Provides asset management services in the United Kingdom, Europe, North America, and Asia.

Johnson Matthey

Market Cap: UK£3.4b

Engages in the clean air, catalyst and hydrogen technology, and platinum group metals (PGM) service businesses in the United Kingdom, Germany, rest of Europe, the United States, rest of North America, China, rest of Asia, and internationally.

Rightmove

Market Cap: UK£3.3b

Operates property portal in the United Kingdom and internationally.

Berkeley Group Holdings

Market Cap: UK£3.2b

The Berkeley Group Holdings plc, together with its subsidiaries, builds homes and neighbourhoods in the United Kingdom.

Man Group

Market Cap: UK£2.8b

Man Group Limited is a publicly owned investment manager.

WPP

Market Cap: UK£2.7b

A creative transformation company, provides communications, experience, commerce, and technology services in North America, the United Kingdom, Western Continental Europe, the Asia Pacific, Latin America, Africa, the Middle East, and Central and Eastern Europe.

Quilter

Market Cap: UK£2.5b

Provides advice-led investment solutions in the United Kingdom and internationally.

Unite Group

Market Cap: UK£2.4b

Unite Group PLC is the UK's largest owner, manager and developer.

Jet2

Market Cap: UK£2.3b

Engages in the leisure travel business in the United Kingdom.

Canal+

Market Cap: UK£2.2b

Operates as a media and entertainment company in Europe, Africa, Asia, and internationally.

AJ Bell

Market Cap: UK£2.1b

Through its subsidiaries, operates investment platforms in the United Kingdom.

Greencore Group

Market Cap: UK£2.0b

Manufactures and sells convenience food products in the United Kingdom and Ireland.

Derwent London

Market Cap: UK£1.8b

Derwent London plc owns a commercial real estate portfolio predominantly in central London valued at 5.2 billion euros as of 30 June 2025.

Dunelm Group

Market Cap: UK£1.7b

Engages in the retail of homewares in the United Kingdom.