Martingale Asset Management L P has filed a Form 13F-HR report disclosing its equity holdings as of September 30, 2026. The filing lists 822 separate positions held by the firm, managed from its Boston, Massachusetts office.
The report identifies Betty Davis as the Manager of Operations, with a contact phone number of 617-424-4712. The filing was submitted on November 12, 2026.
The portfolio includes a diverse range of common stock holdings across various sectors. Notable positions include Apple Inc., with 63,717,716 shares; Amazon.com Inc., with 49,843,455 shares; and Berkshire Hathaway Inc. Class B, with 39,730,435 shares. Other significant holdings include American Tower REIT, with 20,013,067 shares; Visa Inc., with 17,426,437 shares; and Eli Lilly and Co., with 17,426,437 shares.
The filing provides specific share counts for each company, indicating the total number of shares held in each position. The report details the securities held, including common stock, and does not specify the total market value of the portfolio in the provided text.
