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Jupiter Fund Management

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A United Kingdom-listed asset management group specializing in actively managed equity, fixed-income, multi-asset and specialist investment strategies.

Last updated September 23, 2026

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Overview

Jupiter Fund Management is a United Kingdom asset management group that provides actively managed investment products and portfolio-management services for private investors, financial advisers, institutions and wealth-management clients. Established in 1985 by John Duffield, the business developed as a specialist investment house with a focus on research-led, manager-driven investing rather than passive market replication. The firm's product range has historically covered UK and international equities, European and Asian markets, emerging Europe, fixed income, convertibles, multi-asset portfolios, fund-of-funds strategies, absolute-return approaches and socially responsible or thematic investments. Its offerings have been distributed through mutual funds, investment companies, institutional mandates and wealth-management services. This structure has allowed Jupiter to serve both retail investors using pooled funds and professional investors seeking segregated or tailored portfolios. Jupiter became part of Commerzbank in two stages, in 1995 and 2000. The relationship was followed by a change in ownership and leadership after founder John Duffield departed in 2000. Duffield subsequently established New Star Asset Management, while Jupiter continued under the joint leadership of Jonathan Carey and Edward Bonham Carter. Bonham Carter later became the group's principal chief executive and led the business through a management buyout from Commerzbank in 2007. The 2007 buyout was supported by TA Associates, a United States private-equity investor. Employee ownership was an important feature of the transaction, with most staff becoming shareholders. Jupiter subsequently returned to the public markets in June 2010 through a London Stock Exchange flotation. Employees retained a substantial ownership interest at admission, while TA Associates continued to hold a minority stake. The listing gave Jupiter access to public equity markets while preserving its identity as an independent investment manager. The company expanded its capabilities through the acquisition of Merian Global Investors in 2020 for reported consideration of £370 million. The transaction broadened Jupiter's investment platform and client relationships, while bringing together two UK asset managers with complementary fund ranges and distribution networks. Jupiter remains associated with active investment management across equities and bonds, together with multi-asset, specialist and institutional mandates. It is listed in London and has been a constituent of the FTSE 250 Index.

History

Jupiter Fund Management was founded in 1985 by John Duffield. It developed as an independent UK investment manager whose approach emphasized active security selection and the skills of individual portfolio managers. The company built a presence in retail and institutional investment through pooled funds, investment companies and separately managed mandates. In the 1990s, Jupiter entered a new ownership phase when German bank Commerzbank acquired the business in two stages, in 1995 and 2000. The second transaction was followed by the departure of Duffield after a public disagreement with the new owners. Duffield subsequently founded New Star Asset Management, while Jupiter continued operating under new leadership. From 2000, Jonathan Carey and Edward Bonham Carter served as joint group chief executives. Jupiter's investment platform covered UK and international equities, European and Asian markets, emerging European markets, multi-manager portfolios, thematic and socially responsible investments, absolute-return strategies and a developing fixed-income business. The fixed-income range included high-grade corporate bonds, strategic bonds and convertibles. The company regained independence from Commerzbank in June 2007 through a management buyout. TA Associates provided private-equity backing and retained a minority interest. Employee participation was a defining feature of the transaction: around 95% of Jupiter's staff became shareholders. Edward Bonham Carter subsequently led the company as chief executive, overseeing its development as an independent asset manager. Jupiter became a public company on 21 June 2010 when its shares were admitted to trading on the London Stock Exchange. The shares were offered at 165 pence per share. Employees retained about 41% of the company at admission, while TA Associates reinvested and held approximately 22%. The listing placed Jupiter among the publicly traded UK investment-management businesses and supported its continuing expansion of funds and client services. Jonathan Carey retired in 2010 after 23 years with Jupiter. In December 2013, the company announced that Edward Bonham Carter would step down as chief executive in March 2014 and that Maarten Slendebroek would succeed him. Jupiter later pursued inorganic growth through its acquisition of Merian Global Investors, completed in July 2020 for reported consideration of £370 million. The acquisition broadened Jupiter's product platform and client base. Jupiter's business remains centered on active investment management. It offers funds and mandates spanning equities, fixed income, multi-asset investing, specialist themes, responsible investment and wealth management. The company serves private and institutional investors and operates internationally while retaining its identity as a London-listed UK asset manager.

  • 2020

    Merian Global Investors acquisition

    [1]

    Jupiter acquires Merian Global Investors for reported consideration of £370 million.

  • 2014

    Chief executive succession

    [1]

    Maarten Slendebroek succeeds Edward Bonham Carter as chief executive.

  • 2010

    London Stock Exchange flotation

    [1]

    Jupiter's shares begin trading on the London Stock Exchange on 21 June at 165 pence per share.

  • 2007

    Management buyout from Commerzbank

    [1]

    Jupiter becomes independent through a management buyout backed by TA Associates, with broad employee participation in ownership.

  • 2000

    Commerzbank ownership is completed

    [1]

    The second stage of Commerzbank's acquisition takes place, followed by John Duffield's departure.

  • 1995

    First Commerzbank acquisition

    [1]

    Commerzbank acquires Jupiter in the first stage of a two-part ownership transaction.

  • 1985

    Jupiter is founded

    [1]

    John Duffield establishes Jupiter as an actively managed investment business.

Products and positioning

An active, research-led investment house offering specialist and diversified portfolios across equity, fixed-income, multi-asset and responsible-investment strategies.

  • Equities

    Equity funds

    Jupiter's equity range has included actively managed portfolios focused on the United Kingdom, Europe, Asia and emerging European markets, together with broader international mandates. The strategies are designed around fundamental research and portfolio-manager discretion rather than index tracking.

  • Equities

    Jupiter European Growth

    A Jupiter equity offering focused on European companies with growth characteristics. It represents the firm's historical emphasis on specialist regional portfolios managed through active security selection.

  • Fixed income

    Jupiter Strategic Bond

    A strategic fixed-income offering within Jupiter's bond franchise. The strategy reflects the firm's use of flexible bond investing across different issuers and maturity profiles rather than restricting the portfolio to a single conventional bond segment.

  • Multi-asset

    Multi-manager and fund-of-funds portfolios

    These portfolios allocate across other funds or managers to provide diversified exposure. They extend Jupiter's active-management model beyond single-asset mandates and can combine several investment styles within one client portfolio.

  • Fixed income

    Fixed-income and convertible strategies

    Jupiter's fixed-income franchise has included high-grade corporate bonds, strategic bonds and convertible securities. These strategies serve investors seeking income, diversification or a combination of bond exposure and equity-linked participation.

  • Specialist investment

    Specialist and responsible-investment funds

    The company has offered specialist portfolios including absolute-return approaches, socially responsible investment funds and thematic strategies. These products target particular investment outcomes or themes rather than simply following a broad market benchmark.

  • Institutional and wealth management

    Institutional mandates and wealth management

    Jupiter manages portfolios for institutional clients and provides wealth-management services for private investors. Mandates may be delivered through pooled vehicles or separately managed portfolios, depending on client requirements.

Brand decisions

  • 2020

    Acquisition of Merian Global InvestorsM&A

    Background

    Jupiter sought to expand its investment capabilities, product range and distribution relationships through a combination with another UK asset manager.

    Action taken

    Jupiter acquired Merian Global Investors for reported consideration of £370 million.

    Aftermath

    The acquisition enlarged Jupiter's platform and client base and became a major step in its expansion as a listed asset manager.

    Acquisition consideration. £370 million (July 2020)

  • 2014

    Chief executive successionStrategy

    Background

    Edward Bonham Carter had led Jupiter through its management buyout, public listing and period of independent ownership.

    Action taken

    Jupiter announced that Maarten Slendebroek would replace Bonham Carter as chief executive in March 2014.

    Aftermath

    The leadership transition maintained continuity while placing the next phase of the listed company under new executive leadership.

  • 2010

    Public-market flotationOther

    Background

    Following the management buyout, Jupiter chose to access public equity markets while maintaining significant employee and private-equity ownership at admission.

    Action taken

    The company listed on the London Stock Exchange on 21 June 2010 at 165 pence per share.

    Aftermath

    Jupiter became a publicly traded UK asset manager, with employees retaining approximately 41% ownership and TA Associates holding approximately 22% at admission.

    Initial share price. 165 pence per share (21 June 2010)

  • 2007

    Management buyout from CommerzbankM&A

    Background

    Jupiter had been owned by Commerzbank since the bank's acquisitions in 1995 and 2000. The transaction was intended to return the investment manager to independent ownership.

    Action taken

    Management completed a buyout with support from TA Associates. Approximately 95% of employees became shareholders, and TA Associates took a minority position.

    Aftermath

    Jupiter operated as an independent asset manager and later pursued a public listing.

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