TEMPO.CO, Jakarta - Tennis legend Roger Federer has lost his billionaire status after shares in Swiss sportswear company On Holding plunged 19 percent following weaker-than-expected sales. Forbes now estimates his net worth at US$952 million, down from more than US$1.1 billion in the previous estimate. Where does Roger Federer's net worth come from? How much is Roger Federer's net worth now? According to Forbes, Federer's net worth is now estimated at US$952 million following On's 19 percent decline in share price.