Arnhold and S. Bleichroeder
Arnhold and S. Bleichroeder was a New York-based investment bank, originally formed in Germany by the 1931 merger of Arnhold Brothers and S. Bleichröder, and relocated to the United States in 1937. It remained as a fund management company under the control of the Arnhold and Kellen families until December 2015, when majority ownership was sold to the Blackstone Group LP and Corsair Capital LLC, led by Simpson Thacher & Bartlett.