• 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

  • Vinson Walden on the Thornburg Global Opportunities Fund
    August 31, 2015 [In the News]
    In this Q&A, Vin Walden delves into the core principles of the Global Opportunities Fund—and where the team is finding exceptional value right now.
  • Municipal Bond Manager Chris Ryon on Consuelo Mack WealthTrack
    August 2015 [In the News]
    Chris Ryon discusses liquidity in the bond market, managing risk, Puerto Rico, how to find yield in a low interest-rate environment and Thornburg's active laddering strategy.
  • The Global Generalist: No Boundary, Comparative Advantage, Collaborative Success
    At Thornburg, investment outcomes depend not just on fundamental analysis within sectors, industries and geographies, but comparing the relative values across them as well. Our Global Generalist approach is featured in this whitepaper.
  • Active Share: What Is It, And What Does It Mean to Investors?
    June 2015 [Insights, Firm Insights]
    Thornburg believes in the merits of truly active management, based on fundamental research of individual securities and the flexibility that our broad investment mandates allow. All of our equity funds have high active share.