Brown Brothers Harriman & Co. has made headlines with its recent 13F filing, disclosing significant holdings in some of the largest companies in the world. The firm reported a total of $23.26 billion in assets under management as of September 30, 2026. This filing is crucial as it provides insight into the investment strategies of one of the oldest financial institutions in the United States.

Founded in 1818, Brown Brothers Harriman is a leading financial services firm that operates in various sectors, including investment management, private banking, and institutional services. The company is known for its long-standing reputation in the financial industry, and its latest filing reflects its strategic positioning in the market.

According to the filing, Brown Brothers Harriman holds substantial stakes in several prominent companies. Among its largest investments are:

  • Apple Inc. - 2,719,960 shares valued at approximately $905.8 million.
  • Microsoft Corp. - 2,030,683 shares valued at around $1.04 billion.
  • Alphabet Inc. (Class C) - 2,652,285 shares valued at about $903.7 million.
  • NVIDIA Corp. - 2,484,377 shares worth approximately $567.4 million.
  • Amazon.com Inc. - 2,255,095 shares valued at roughly $561.9 million.

The filing also indicates that Brown Brothers Harriman has invested in various exchange-traded funds (ETFs), including the iShares Core S&P 500 ETF and the iShares Core MSCI EAFE ETF, showcasing a diversified investment approach.

As competition in the investment management sector continues to grow, this filing highlights Brown Brothers Harriman's commitment to maintaining a robust portfolio. The firm's strategic investments in leading technology and consumer companies reflect its confidence in the long-term growth potential of these sectors.

The filing does not specify what actions the firm may take next, but the significant holdings suggest that Brown Brothers Harriman is positioning itself to capitalize on market trends and opportunities.

This latest 13F filing, accession number 0001104659-26-126820, serves as a reminder of the firm's influential role in the financial services industry and its ongoing efforts to adapt to changing market conditions.