World record price paid for a yearling filly . French Sheikh Joann Al Thani purchased filly for $ 6 million at Treve . Joann Al Thani owns Prix de l'Arc de Triomphe winner Prix de l'Arc de Triomphe . ( Ali Thani 's operation ) was keen to invest , said de Watrigant . Filly has strong pedigree including link to record breaking Frankel .
World record price paid for a yearling filly . French Sheikh Joann Al Thani purchased filly for $ 6 million at Treve . Joann Al Thani owns Prix de l'Arc de Triomphe winner Prix de l'Arc de Triomphe . Filly has strong pedigree including link to record breaking Frankel .