Amulet Capital Partners has announced it has acquired Eruptr.

Eruptr, based in Bradenton, Fla., is a healthcare digital marketing firm. Founded in 2009, the company offers a suite of solutions for hospitals.

Amulet, 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.

Athyrium Capital Management, a New York-based asset management company focused on the global healthcare sector, invested alongside Amulet.

Terms of the acquisition and investment were not disclosed.