GW&K Investment Management, LLC has filed a Form 13F-HR with the Securities and Exchange Commission, disclosing its equity holdings as of September 30, 2026. The filing, signed by Chief Compliance Officer David Rouse on November 10, 2026, details a portfolio consisting of 1,388 distinct positions.

The filing lists a total of 1,388 equity securities held by the firm. The holdings are distributed across various sectors and market capitalizations, with the largest positions including Abbott Laboratories, AbbVie Inc., and Advanced Micro Devices. The filing also includes a mix of mutual funds, such as the Cap Group Dividend Value Mutual Fund and the Cap Group Intl Core Eq Mutual Fund, which are held as part of the portfolio.

The report provides specific details for each holding, including the name of the issuer, the CUSIP number, the number of shares held, and the total value of the position. The filing does not include any options or other derivative positions.