Asset ManagerRIA · CRD 121942SEC-RegisteredPrivate Fund Adviser

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GW&K Investment Management

GW&K Investment Management, LLC is an SEC-registered investment adviser in Boston, MA, registered since 2002. The firm manages approximately $52.8 billion in...

GW&K Investment Management

GW&K Investment Management, LLC is an SEC-registered investment adviser in Boston, MA, registered since 2002. The firm manages approximately $52.8 billion in assets. It has 177 employees and 63 investment advisers.

General information

Firm type

RIA

Year founded

1974

AUM

$67 billion (per firm website, 2025)

Location

Region

North America

Country

United States

City

Boston

Corporate office

Boston, MA, United States

Additional offices

New York · Chicago · San Francisco

Principals

Harold G. Kotler

CEO

John J. C. O'Brien

Chief Investment Officer

William J. Katz

Managing Director, Director of Fixed Income

Sector focus

Fixed IncomeEquitiesMunicipal BondsInvestment Grade CreditHigh Yield

Frequently asked questions

Who runs investment decisions at GW&K?

John J. C. O'Brien serves as chief investment officer, overseeing the firm's fixed-income and equity teams. Harold G. Kotler is CEO and focuses on firm strategy. The investment committee includes senior portfolio managers across asset classes.

How does GW&K source proprietary deal flow?

GW&K relies on fundamental credit research and macroeconomic analysis rather than proprietary deal sourcing. The firm builds portfolios from publicly traded securities. Its research team produces independent credit opinions grounded in bottom-up analysis.

Is GW&K structured as a family office or asset manager?

GW&K is a registered investment advisor (RIA), not a family office. It manages assets for institutional clients such as pension funds, endowments, foundations, and financial intermediaries. The firm is employee-owned and operates as a partnership.

What investment stages does GW&K typically target?

GW&K primarily invests in publicly traded fixed-income and equity securities. Its strategies span core bonds, short-term bonds, municipal bonds, and large-cap equities. The firm does not engage in private equity or venture capital.

Which sectors does GW&K explicitly avoid?

GW&K generally avoids high-yield bonds, distressed debt, and illiquid private investments. Within equities, the firm focuses on large-cap, high-quality companies and does not typically invest in small-cap or micro-cap stocks.

Where does the underlying wealth come from?

The underlying wealth originates from institutional clients. GW&K does not manage assets for a single family or individual. Its client base includes public and private pension funds, endowments, foundations, insurance companies, and financial advisors.

Does GW&K maintain philanthropic structures?

GW&K does not operate a philanthropic foundation. The firm may support community initiatives through its corporate giving program, but no formal charitable vehicle is publicly disclosed.

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