Mastercard was one of the participating investors. "Our goal to enable automated electronic disbursements and collections is completely aligned with Mastercard’s vision of a world beyond cash and checks,” Bora Chung, Bill.com's SVP of product, said in a prepared statement. Other investors participating in the funding include Fidelity Investments Canada ULC, Kayne Anderson Rudnick, Temasek, Cross Creek and FLEETCOR.  In its announcement, the company did not discuss the use of proceeds, although it did say Bill.com “is positioned to scale …”