Question: How much stake does Peter Harris own in the British private company which owns Haven Holidays, Butlins, and Warner Leisure Hotels?

Context paragraphs:
Magic Holidays: Magic Holidays is a brand belonging to Panoramic Holidays Ltd. (PHL).  PHL is a timeshare company, part of Panoramic Group.  It was founded in 2009 to provide holidays on a timeshare basis.  Magic Holidays has over 37 hotels & resorts in India and abroad.  In 2013, it was reported that the company is working towards building and acquiring additional resorts around the world.  Magic Holidays is an affiliate of Resorts Condominium International (RCI), the largest timeshare vacation exchange network in the world.  Magic Holidays gives customers a wide choice of holidaying in more than 103 countries.

Arena Racing Company: Arena Racing Company, also called ARC Racing and Leisure Group is a UK private company, created in 2012 by the merger of Arena Leisure and Northern Racing.  It owns and operates 15 racecourses in Great Britain, accounting for 39% of British racing fixtures.  It also operates hotels at Wolverhampton Racecourse and Lingfield Park Racecourse and golf courses at Lingfield, Southwell and Newcastle.

Powerstrip Studio: Powerstrip Studio, based in Los Angeles, California, is a private company established in 2000.  It specializes in conceptual design for hotels, restaurants, lounges, spas, outdoor living areas and theatres throughout the United States.  It had created such hotels as Ivy Hotel, 39 Degrees Aspen, The Bridge, W Los Angeles, W New Orleans, Blowfish, Hotel Derek, Westin Governor Morris, and Quarter Kitchen.  Powerstrip Studio has worked with Jim Jarmusch, Ridley Scott, Kevin Costner, Wayne Wang, and Paul T. Anderson with projects that have been acknowledged with Emmy nominations for Outstanding Art Direction and an Academy Award nomination for Best Art Direction.  Powerstrip Studio has been featured in such editorials as Space, Los Angeles Confidential, Cool Hotels, Fortune Magazine, Gold Key Awards, Hip Hotels Thames and Hudson, Interior Design, Business Traveler, Hotels Magazine, Metropolitan, Architectural Record, Ski Hotels Te Neues, Wallpaper, 944 San Diego, Pipedreams, Lucky Magazine, and Hotels: Designer & Design.

Taj Tashi: The Taj Tashi is a hotel in Thimphu, Bhutan.  Opened in 2008, the hotel is the first five-star hotel in Bhutan.  The hotel is a joint venture of local Indian hotel giant, Taj Leisure Hotels and local tashi group.  The hotel also hosts a conference space.

Reverse takeover: A reverse takeover or reverse merger takeover (reverse IPO) is the acquisition of a public company by a private company so that the private company can bypass the lengthy and complex process of going public.  The transaction typically requires reorganization of capitalization of the acquiring company.  Sometimes, conversely, the private company is bought by the public listed company through an asset swap and share issue.

Bourne Leisure: Bourne Leisure Holdings Limited is a British private company which owns a number of subsidiary undertakings operating in the leisure and holiday sectors in the United Kingdom including Haven Holidays, Butlins and Warner Leisure Hotels.

Rex Pope: Rex Pope is a British historian who was formerly head of the school of historical and critical studies at Lancashire Polytechnic.  Pope is a specialist in the social and economic history of Britain in the later nineteenth and twentieth centuries.  He has had two volumes published in the Seminar Studies in History series.  Pope's other interests relate to the British hotel industry since 1850 and leisure hotels and tourism in the late nineteenth and early twentieth centuries.

Warner Leisure Hotels: Warner Leisure Hotels offers holidays for adults in 13 countys and coastal properties around the UK in the following locations: North Wales, Somerset, Herefordshire, Berkshire, North Yorkshire, Nottinghamshire, Isle of Wight, Suffolk, Hampshire and Warwickshire.  Warner’s hotel in Warwickshire is currently being developed and is not yet open to the public.

Butlins: Butlins (also Butlin's) is a chain of large holiday camps in the United Kingdom.  Butlins was founded by Billy Butlin to provide affordable holidays for ordinary British families.

Peter Harris (entrepreneur): Peter Harris (born 1934) owns, via a Guernsey-based fiduciary company, a stake worth in 2011 £360m in Hemel Hempstead-based Bourne Leisure, which he founded in 1964 and of which he remains chairman.  The Sunday Times Rich List estimated in 2011 that his worth was £400m, which placed him 200th on the list.

Supporting paragraphs: Peter Harris (entrepreneur) Bourne Leisure
Answer: £360m