154 Partners: $400 Million Debut Fund Closes At Hard Cap To Target Lower-Middle Market Acquisitions
By Amit Chowdhry ● Today at 11:53 AM
154 Partners announced the final close of its inaugural fund, 154 Partners Fund I, at its $400 million hard cap, marking the firm’s launch into the lower-middle market private equity space. The firm was founded in 2025 by Isaac Harrouche and Mike Berlin, former colleagues at Blackstone. The fund received backing from Bolt Ventures and a group of strategic family offices.