Mutares, a German-based holding company that acquires medium-sized companies in turnaround situations, completed the acquisition of the Sheffield operations of Allegheny Technologies, an American producer of specialty materials. Financial terms were not disclosed. "This transaction marks our second acquisition in 2022, strengthening our Engineering & Technology segment. We are happy to welcome ATI Sheffield into our portfolio, as a well-known supplier in the market with an excellent reputation for quality and services and multiple opportunities for operational improvement and growth," Johannes Laumann, Mutares CIO.