Amulet Capital Partners has announced it has closed its second fund, Amulet Capital Partners II, in excess of $650 million in capital commitments.

The fund was oversubscribed, exceeding its initial target of $500 million.

Amulet Capital, based in Greenwich, Conn., is a middle market private equity investment firm focused exclusively on the healthcare sector. Founded in 2012, the firm typically invests between $25 million and $150 million in healthcare companies within segments that include life sciences outsourcing, payors and payor services, and providers and outsourced services.