 Together with DLJ Merchant Banking Partners, Nordic Capital and Coller Capital, Avista sold Swiss drug-maker Nycomed for €9.6 billion in cash to Takeda Pharmaceutical Corp. in 2011.Also in 2011, Avista acquired DataBank Ltd., an enterprise-class managed data center based in Dallas, Texas, and sold the company to Digital Bridge Holdings LLC in 2016.Also in 2010, Avista invested in specialty pharmaceutical company OptiNose Inc. Avista took the company public in 2015.