New Harbor Capital has announced it has completed a majority investment in Advent Home Medical.

Advent, based in Pontiac, Mich., is an at-home respiratory care company providing services and medical equipment to patients throughout their post-acute lifecycle.

New Harbor Capital, based in Chicago, invests in lower middle market companies. Founded in 2013, the firm prefers to make more substantial investments from a dollars perspective in healthcare, business services and education companies.

Terms of the investment were not disclosed.