In July 1988, Arnault provided $1.5 billion to form a holding company with Guinness that held 24% of LVMH's shares. In response to rumors that the Louis Vuitton group was buying LVMH's stock to form a "blocking minority", Arnault spent $600 million to buy 13.5% more of LVMH, making him LVMH's largest shareholder. In January 1989, he spent another $500 million to gain control of a total of 43.5% of LVMH's shares and 35% of its voting rights, thus reaching the "blocking minority" that he needed to stop the dismantlement of the LVMH group. On 13 January 1989, he was unanimously elected chairman of the executive management board.
In July 1988, Arnault acquired Céline. In 1993, LVMH acquired Berluti and Kenzo. In the same year, Arnault bought out the French economic newspaper La Tribune. The company never achieved the desired success, despite his 150 million euro investment, and he sold it in November 2007 in order to buy a different French economic newspaper, Les Échos, for 240 million euros.