Ampersand Capital Partners has announced it has closed its latest fund, Ampersand 2022, with $1.2 billion in capital commitments.

The fund, the firm’s eleventh primary fund since 1992, was oversubscribed.

Ampersand, based in Wellesley, Mass., is a middle market private equity firm with a focus on growth equity investments in the healthcare sector. Founded in 1988, the firm typically pursues majority or minority positions in companies generating between $10 million and $100 million in revenue.