Boston Partners filed a Form 13F-HR with the Securities and Exchange Commission on November 10, 2026, reporting its equity holdings as of the close of business on September 30, 2026. The filing lists the firm's address as One Beacon Street, 30th Floor, Boston, MA.
The report details holdings in 1,881 separate equity securities. The filing indicates that Boston Partners Trust Co is listed as a sub-reporter, alongside the primary filer, Boston Partners.
Among the disclosed positions, the filing shows significant stakes in Applied Materials, Inc. Boston Partners holds 693,002,841 shares of Applied Materials, classified as a long position with a value of $1,235,058,000. Additionally, the firm holds 279,332,732 shares of Apple Inc., valued at $8,388,000, and 372,603,543 shares of Apollo Global Management, Inc., valued at $3,210,726,000.
Other notable holdings include 253,172,805 shares of Amazon.com, Inc. valued at $7,218,190,000; 249,438,878 shares of Alphabet Inc. Class A valued at $4,800,930,000; and 214,0 shares of Amgen Inc. valued at $311,391,000.