The plan also recently concluded its non-U.S. equity manager searches.
The plan also terminated a high-yield fixed-income manager in the first quarter.
The deferred compensation plan replaced its underperforming domestic small-cap growth equity manager in the first quarter.
The plan is looking for providers for its approximately $85 billion index portfolio.
The retirement system will look to hire three emerging markets equity managers later this month amid a portfolio restructuring.
The foundation added a new passive large-cap equity fund to replace two active large-cap strategies within its portfolio to diversify traditional momentum strategies and reduce fees.
The retirement system terminated its global large-cap growth equity manager last month.
The search will be conducted to replace domestic large-cap value equity manager Hamlin Capital Management, which was terminated last month.
The retirement system is searching for a U.S. small-cap growth equity manager to handle a $40 million mandate.
The pension fund will interview four emerging markets equity managers next week after approving a restructuring of its portfolio at a May meeting.