Senior Jupiter managers Tony Nutt, Philip Gibbs, Edward Bonham Carter and John Chatfeild-Roberts will together own almost 14% of the group following the IPO, valuing their stake at more than £105m.
Jupiter's IPO has been more than 2.5 times oversubscribed after a strong take-up from both institutional and retail investors.
Jupiter's six most senior fund managers are set to own a stake worth about £140m following the asset manager's IPO.
Jupiter has set the price range of its IPO at between 150p and 210p per share, valuing the asset manager at £718m to £868m.
Jupiter Asset Management has unveiled plans to list on the London Stock Exchange next month, which could potentially value the group at up to £1bn.
Edward Bonham-Carter will assume chief executive responsibility, working alongside Jonathan Carey as part of Jupiter's plans for a management buyout.