The retirement system added a second manager to its fixed-income portfolio last month.
The pension fund also trimmed an underperforming manager’s mandate by 30%.
The commitments include two new relationships for the plan.
The retirement fund also disclosed commitments totaling roughly $1.5 billion in March.
The treasury has issued its RFP seeking fixed-income investment managers for its $1.6 billion liquidity and $4.4 billion reserve accounts.
The retirement system will also consider hiring managers in its diversifying strategies manager searches this week.
The board recently made private credit and private equity commitments totaling $208.5 million.
The plan will interview three firms in a domestic small-cap value equity manager search next month.
The plan will also search for private debt and infrastructure managers later this year.
The city received four proposals in response to an RFP issued in January.