NewSpring has announced it has closed its latest fund with more than $180 million in commitments.

The fund, NewSpring Health Capital IV (NSH IV), was oversubscribed.

NSH IV made six investments prior to the final close: AeroSafe Global, BetterNight, Healthworks, Patheous Health, Prosperity Behavior Health and Verisma.

NewSpring, based in Radnor, Pa., is a private investment firm that invests in the lower-middle market. Founded in 1999, the firm invests in several industries, including healthcare. One of its investment funds — NewSpring Healthcare — specifically targets healthcare companies across the healthcare services, specialty pharmaceutical and medical technology sectors.