Blackstone's secondaries unit has reached a significant milestone, hitting $100 billion in assets under management during the first quarter. The achievement positions the firm among the largest players in the market for trading secondhand private equity stakes. President Jon Gray announced the milestone during the firm's quarterly earnings call Thursday.

The flagship secondaries fund collected an additional $6 billion in Q1 alone, bringing total capital raised for that vehicle to $11 billion. Secondaries funds allow investors to buy and sell existing private equity positions, providing liquidity to the historically illiquid asset class. This segment has grown increasingly attractive as institutional investors seek flexibility in their private market portfolios.

The $100 billion milestone reflects surging demand for secondary market transactions as more investors look to exit or restructure private equity holdings. Blackstone's massive scale in this space gives the firm a competitive edge in sourcing deals and managing complex transactions. The secondaries business has become a key growth driver for the private equity giant.