Windjammer Capital Investors has announced it has closed its latest fund at $1.3 billion in commitments.

The new fund, Windjammer Capital Fund VI, exceeded its $1 billion initial target.

Windjammer, based in Newport Beach, Calif., and Waltham, Mass., is a private equity firm focused on the middle market. Founded in 1990, the firm prefers to make control equity investments of $50 million to $200 million in niche manufacturing, business services and value-added distribution. In December 2023, the firm acquired Bio X Cell, a producer of monoclonal antibodies for use in both in vivo and in vitro pre-clinical research applications.