Winthrop Advisory Group LLC has filed a Form 13F-HR disclosing its equity holdings as of the close of business on September 30, 2026. The filing reports the firm holds positions in 335 distinct securities, including common stocks and exchange-traded funds.
The largest position disclosed in the portfolio is Apple Inc., with 53,852,451 shares. Microsoft Corporation is the second-largest holding, with 20,978,084 shares. Other major holdings include NVIDIA Corporation (8,538,174 shares), Berkshire Hathaway Inc. Class B (4,445,947 shares), and Alphabet Inc. Class A (7,691,925 shares).
The filing lists a total of 335 securities, with the smallest position being a 2-share holding in Duke Energy Corp. and a 3-share holding in McDonald's Corp. The portfolio is heavily weighted toward large-cap technology and consumer staples companies, as well as a broad array of ETFs tracking various market indices.
