Septimus is a thoroughbred horse born in Australia in 2021. Race horse Septimus is by D'argento (AUS) out of Saggiatore (AUS) , trained by Matthew Smith. Septimus form is available here. Owned by Think Big Stud (Mgr: D G Ramage), J E Carter, F W Cook, Mrs C M Cook, Ms B J Evans, Foote Street Investments (Mgr: M Alexeeff), A B House, S Reid, A Sharp, H G Toohey & G J P Van Ameyden.