London Stock Exchange

Investment firms Henderson and Janus to combine

Henderson, a London-based investment firm, plans to combine with U.S. rival Janus Capital and create a new company that would manage more than $320 billion in assets.

The combined company will be called Janus Henderson Global Investors and its stock will be traded on the New York Stock Exchange when the deal closes, which is expected to happen in the second quarter of next year. The new company will be headquartered in London and keep offices in Denver, where Janus is based.

Henderson shareholders will own about 57 percent of the new company and Janus shareholders will own 43 percent. Henderson CEO Andrew Formica and Janus CEO Dick Weil will be co-CEOs of the new company,...