The commitments include four new managers for the plan.
The plan last issued an RFP for the services in 2016.
The transit agency issued an intent to award notice in its general investment consultant search last week.
The pension plan is currently managed in-house.
The board will issue two consultant RFPs on behalf of its three investment plans this year.
A Michigan-based deferred compensation plan is seeking investment advisory and administrative services.
The Lone Star pension system added a pair of private equity commitments totaling $45 million in recent months.
The six commitments represent new relationships for the pension plan.
The plan will transition to the new general consultant by the end of the quarter.
The plan’s current managers were first hired in 2016 following a similar RFP process.