Trian Partners, a hedge fund management firm, completed the acquisition of a majority stake in Rentokil Initial, a pest-control business. Financial terms were not disclosed. “We are hugely proud of the role our colleagues play in creating and delivering new solutions for our customers; whether a scientific breakthrough from our dedicated Innovation team, or a smart insight from our front-line technicians and expert colleagues operating around the world," Andy Ransom, Rentokil Chief Executive.