Amazon Stake Increased by Union Bancaire Privee UBP SA

Investment firm boosts holding in e-commerce giant by over 20% in Q4 2025

Mar. 22, 2026 at 12:20pm

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Union Bancaire Privee UBP SA, a Swiss investment management firm, increased its stake in Amazon.com, Inc. (NASDAQ:AMZN) by 20.9% in the fourth quarter of 2025. The firm now owns 1,484,586 shares of the e-commerce giant's stock, making it one of Amazon's largest institutional investors.

Why it matters

Amazon's stock performance and institutional ownership are closely watched by investors as indicators of the company's financial health and growth prospects. This significant increase in UBP SA's Amazon holdings suggests the firm sees continued upside potential in the stock.

The details

According to a regulatory filing, UBP SA purchased an additional 256,516 Amazon shares during Q4 2025, bringing its total position to 1,484,586 shares. This represents approximately 5.1% of the firm's total investment portfolio, making Amazon its fourth-largest holding. Several other major investors also increased their Amazon stakes over the same period.

  • Union Bancaire Privee UBP SA disclosed the increased Amazon stake in a regulatory filing on March 22, 2026.
  • The firm's Amazon holdings were valued at $342,672,000 at the end of Q4 2025.

The players

Union Bancaire Privee UBP SA

A Swiss investment management firm that has significantly increased its stake in Amazon.com, Inc.

Amazon.com, Inc.

The e-commerce giant in which Union Bancaire Privee UBP SA has boosted its institutional ownership.

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The takeaway

This increase in institutional ownership of Amazon stock by a major investment firm like UBP SA suggests continued confidence in the e-commerce company's long-term growth prospects, even as it faces increased competition and regulatory scrutiny.