All four managers will run active strategies. Mr. Muller said how the assets will be divided among the managers has not been announced yet.
The $20 billion pension fund also hired State Street Corp. as global custodian for those international segregated accounts.
“This assignment is not a substitution of another custodian. Our regulator recently authorized this investment vehicle, and we are in the process to implement our first mandate,” Mr. Muller said in an e-mail.