As the birthplace of mutual funds and a major global financial center, the Boston area is home to many of the world’s largest and most prestigious investment management firms. In this article, we will take a closer look at some of the main Boston investment groups, their key information, business focuses and development histories. The firms mentioned below collectively manage trillions of dollars in assets across various investment strategies and asset classes, providing investment products and solutions to institutional and retail investors globally. The Boston investment community exemplifies the city’s strengths in asset management, quantitative research and financial innovation.

State Street Global Advisors is a leading asset manager in Boston
State Street Global Advisors (SSGA), headquartered in Boston, is one of the world’s largest asset managers with over $3 trillion in assets under management. SSGA offers a wide range of investment strategies across equity, fixed income and alternatives, providing ETFs, mutual funds, pensions and more to institutional and retail clients. With roots going back over 200 years, SSGA’s investment expertise covers indexing, active quantitative strategies, fundamental active strategies, multi-asset solutions and real estate. SSGA has major offices in Boston, London, Sydney, Montreal, Munich, Dubai, Hong Kong and more, reflecting its global reach.
Fidelity Investments is a Boston-based investment giant
Based in Boston, Fidelity Investments is one of the world’s largest providers of financial services, with over $11 trillion in total client assets. Fidelity offers investment management, retirement planning, wealth management, trading and brokerage services to more than 40 million individuals, institutions and financial intermediaries. Fidelity’s investment capabilities span equity, fixed income, multi-asset strategies and more. Key asset management affiliates include Fidelity Management & Research Company, FMR Co. and Fidelity Institutional Asset Management. Fidelity is privately owned by the Johnson family and has a major presence in the Boston financial district.
Putnam Investments has deep Boston roots
Putnam Investments is a leading global money manager that was founded in Boston in 1937. Operating as a subsidiary of Great-West Lifeco, Putnam manages over $200 billion in assets across a wide range of active equity, fixed income, absolute return and alternative strategies. Putnam offers mutual funds, target-date funds, college savings plans and more to serve individual and institutional investors. Headquartered in Boston, Putnam has offices across North America, Europe and Asia. Putnam combines its strong Boston heritage with the global resources of Great-West Lifeco to deliver leading investment capabilities.
Wellington Management is a prominent Boston investment firm
Founded in 1928, Wellington Management is one of the oldest and most reputable investment management firms in Boston. The privately owned firm manages over $1 trillion in client assets across equities, fixed income and multi-asset solutions. Wellington serves pension plans, endowments, foundations, central banks and other institutional clients globally. With headquarters in Boston, Wellington takes a research-driven, fundamental active management approach powered by collaboration across its investment teams. Wellington has helped shape Boston’s asset management industry and maintains a strong community presence.
In summary, Boston has cultivated a thriving investment management hub, led by firms like State Street, Fidelity, Putnam and Wellington. Boston’s mix of asset management veterans, quantitative specialists and financial innovators makes it a major global force in investment research and portfolio management.