The plan also disclosed two new commitments.
The plan promoted from within to replace outgoing global head of private equity.
The commitments were made for pacing purposes.
The plan also retained two emerging market fixed-income managers.
The retirement association is considering the two asset classes to replace its commodities portfolio.
The increases are a result of a new asset allocation study.
The plan lost its senior investment officer last month.
The investment consultant will advise on two retirement plans.
The retirement system closed on a $75 million commitment to a European infrastructure strategy last month.
The cio has left the plan after two years in the position.