Key Takeaways BLK will offer private market access in defined contribution plans via new target date fund glidepaths. Great Gray selected BLK for its first retirement solution featuring private equity and credit exposure. BLK projects that a 5-20% private asset allocation could boost annual returns by 50 basis points.BlackRock, Inc. (BLK) aims to expand private market investments to retirement plans, marking a shift in how retirement products are structured. Great Gray Trust Company, LLC has chosen BlackR ...