Dentsu is set to exit marketing technology developer Treasure Data in an acquisition by Arm reportedly sized at about $600m.

Treasure Data, a US-based real-time data management platform backed by marketing firm Dentsu, is set to be acquired by Arm, the semiconductor subsidiary of telecommunications conglomerate SoftBank, Bloomberg reported on Sunday.

The transaction is expected to be worth approximately $600m, though it has not been officially confirmed. The deal is thought to form part of a push into the internet-of-things sector by Arm.

Founded in 2011, Treasure Data has created an enterprise customer data platform that uses machine learning and…