Capital World Investors Reports New 5.3% Stake in TopBuild Corp. (BLD)

On May 14, 2026, Capital World Investors (CWI) filed a Schedule 13G with the SEC, reporting a new 5.3% stake in TopBuild Corp. (BLD). As of the event date on March 31, 2026, CWI beneficially owns 1,483,387 shares of common stock. This position represents an increase from a previous 0.0% holding, establishing CWI as a significant institutional investor in the company. Capital World Investors is a division of Capital Research and Management Company (CRMC). The filing indicates that CWI has sole voting and dispositive power over all 1,483,387 shares. The shares were acquired in the ordinary course of business and are not held for the purpose of influencing or changing the control of the issuer. The total shares outstanding for TopBuild Corp. used for this calculation is approximately 28,145,137. This filing highlights a substantial new investment by a major asset management group into the building materials and construction services sector.