Hamilton Lane has acquired a significant equity interest in Cosette Pharmaceuticals from Avista Capital Partners and its co-investors, according to a news release.

Avista and Hamilton Lane will jointly control Cosette going forward.

Cosette, founded in 2019 and based in South Plainfield, New Jersey, is an integrated pharmaceutical company with a portfolio of branded pharmaceuticals in women’s health, cardiology and dermatology.

Avista, based in New York, makes control buyout investments in middle market healthcare companies. Founded in 2005, the firm focuses on the following healthcare subsectors: pharmaceuticals, medical devices, outsourced pharmaceutical services, distribution and consumer-driven healthcare.

Hamilton Lane (Nasdaq: HLNE), founded in 1991 and based in Conshohocken, Pennsylvania, is a global private markets investment management firm.

Terms of the transaction were not disclosed.