Ampersand Capital Partners has made a growth equity investment in NanoImaging Services, a leading provider of cryo-electron microscopy (cryo-EM) services to the pharmaceutical and biotechnology communities. Members of the NanoImaging Services management team joined Ampersand in the financing.

NanoImaging Services will use this investment to support its worldwide growth initiatives, including expanding microscope capacity and adding complementary services to further serve the needs of existing and future customers. Financial terms of the deal were not disclosed.

NanoImaging Services is a specialty contract research organization (CRO) that helps biopharma companies harness the power of cryo-EM to discover and develop new therapeutics. The CRO was launched in 2007 and is headquartered in San Diego, California.

Founded in 1988, Ampersand is a middle-market private equity firm with more than $3 billion of assets under management dedicated to investments in the healthcare sector.

According to data captured in the LevinPro HC database, this transaction marks the 18th CRO transaction of the year.