The $35 billion State of Connecticut Retirement Plans & Trust Funds will issue an RFP for passive investment managers on July 31, Plan Spokesman Adam Brill said, an e-mail.

The plan is conducting the search to “create the panel with best in class investment partners that can provide greater portfolio flexibility and efficiency,” according to project plan documents from a July 10 board meeting. The documents note that the managers will provide its investment team access to the passive market when rebalancing, looking to opportunistically add exposures to enhance returns or mitigate risk and lower overall costs.

The RFP will be posted on the plan’s website beginning July 31 with a deadline of Aug. 30, according to a proposed project plan from the meeting.

The plan’s general investment consultant is Meketa Investment Group.