Janus Capital Group, Inc. was an American publicly owned investment firm headquartered in Denver, Colorado.

Outside the U.S., Janus had offices in Sydney, Paris, Zürich, Frankfurt, Dubai, Taipei, London, Milan, Tokyo, Hong Kong, Melbourne, and Singapore.

[8] Myron Scholes, Nobel laureate and Ph.D., joined Janus as chief investment strategist on July 8, 2014.

[10] In October 2014, Janus acquired VS Holdings, a company based in Darien, Connecticut, and its VelocityShares business.

[11] In July 2015, Janus acquired a majority interest in Kapstream Capital, a fixed income specialist.