Caption, a private equity firm, agreed to acquire Stuertz Maschinenbau, a provider of systems and automation solutions for PVC window production, from CGS Management, a private equity firm. Financial terms were not disclosed. "We We look forward to working with the entire Stürtz team to strengthen the company's technological capabilities, to further accelerate international expansion and to help shape the next chapter in the Stürtz Group's success story," Christoph Karbenk, capiton Partner.