• A uniquely collaborative
    global generalist
    investment approach
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  • Independent and
    privately owned
    since 1982
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  • True active management
    grounded in fundamental, bottom-up research
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Our mission is to add value with active portfolio management to help our clients reach their long-term financial goals.

We achieve this through our investment strategies, adhering to our values and investment principles and offering employees a challenging and rewarding place to build a career.

Thornburg at a glance

  • Thornburg Investment Management is an independent global investment management firm that provides a range of active investment strategies. Founded in 1982 by Garrett Thornburg.

  • In 1984, Chief Investment Officer Brian McMahon joined the firm. Over the ensuing eight years, we introduced a series of conservatively managed, highly regarded laddered fixed-income strategies.

  • We launched our first U.S. equity strategy in 1995. Our first global equity strategy began three years later in 1998. Additional equity strategies came over the next 15 years, as our investment capabilities grew.


Latest News & Insights

  • View From the Bond Desk
    March 2015 [Insights, Bond Articles]
    Municipal Fixed Income Associate Portfolio Manager David Ashley writes on the perils of the high-yield municipal asset class, which is dominated by Puerto Rico and tobacco bonds, and Global Fixed Income Analyst Ali Hassan outlines the broad, bottom-up process of credit selection in Strategic Income Fund.
  • Margin of Safety: Tactical Rebalancing and Strategic Allocation in Overseas Equities
    U.S. stocks have had a great run for half a dozen years. Why should U.S. investors cut exposure to a winner and increase it to overseas stocks now? For plenty of near-term and structural reasons, including downside protection, upside potential and diversification purposes.
  • Fund Managers, "Be Prepared"
    January 2015 [Insights, White Papers]
    Thornburg CEO and CIO Brian McMahon discusses the outlook for U.S. and global economic growth; the impact of diverging monetary policy among the world's major central banks; the fallout from the collapse in energy prices; where investment opportunities may be found; and the state of active fund management.