a person or company that tries to gain control of another company by buying most of its shares:
• The company became the subject of a hostile takeover bid from corporate raider Ronald O. Perelman.
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corporate raider UK US noun [C] (also raider)
► FINANCE, STOCK MARKET a person or company that buys a large number of another company's shares, often in order to get control of it: »
He was a notorious corporate raider, known for his hostile takeover bids.
Financial and business terms. 2012.