Jupiter and New Star founder John Duffield looks set to launch his third fund business, registering the name Hyde Park Asset Management.
Henderson will pay the key group of New Star staff retained after the takeover £2.9m in cash and approximately £1.34m of new shares in the group.
Henderson has priced down its proposed acquisition of New Star by £8m to £107m.
New Star has found a single buyer for its suspended Heart of Africa fund and is set to offload the portfolio for about £14.8m.
New Star European Growth manager Richard Pease is to join Henderson Global Investors.
New Star bond fund manager James Gledhill will move to Henderson Global Investors.
Tim Steer will manage Artemis' UK Growth Fund shortly after he joins the company at the end of June this year.
New Star multi-managers Mark Harris and Craig Heron will join Henderson Global Investors.
New Star Global Financials manager Guy de Blonay will join Henderson.
Tim Steer will join the Artemis multi cap team to run a hedge fund in April, the asset manager has confirmed.