Francoise Bettencourt Meyers, heiress of L’Oreal, has experienced a significant decline in her fortune this year but continues to invest in French startups. Her family’s investment firm, Tethys Invest SAS, is set to acquire a 13% stake in software supplier Septeo SAS, valued at over €3 billion, alongside Singapore’s GIC, while private equity firm Hg will maintain a majority stake.