Nexus Capital, a provider of investment management services, completed the acquisition of HDT Global, a manufacturer of nuclear, biological and chemical collective protection air filters and air filtration systems, from Charlesbank Capital, a private equity investment firm. Financial terms were not disclosed. “Together with HDT’s talented management team, we were able to execute on key elements of our investment thesis, including transforming HDT’s go-to-market approach and broadening its reach and capabilities to new customers, geographies and markets through organic growth and five key acquisitions. The company has strong brand and market positioning, and we are confident it will enjoy continued success under its new ownership," Sam Bartlett, Charlesbank Managing Director.