The London-listed fund of Nelson Peltz’s Trian Funds Management has become an unlikely target of a shareholder campaign led by two asset managers that the famed activist currently owns large stakes in.

Trian-owned Invesco and Janus Henderson, alongside ASX-listed Global Value Fund and Pelham Capital, said early on Monday they had called for an extraordinary general meeting to oust three of the four directors of Trian Investors 1 (TI1).