The plans adopted the new asset allocation following an asset study by their general investment consultant.
The current cio is retiring this month, concluding 25 years of service to the plan.
The plan last conducted a general investment consultant search in 2013.
The plan interviewed three domestic small-cap growth equity managers in August for the mandate.
The investment officer is retiring this week after nearly 20 years with the city.
Wealthspire Institutional was first established last year through the combination of five entities.
The plan also terminated an international large-cap growth equity manager.
The retirement association will also consider rehiring its general investment consultant this week.
The retirement system last conducted a similar search in 2016.
The retirement system will receive potential international equity candidates next month.