Microsoft Investor Argentarii LLC Boosts Stake by 12%

Argentarii LLC increased its holdings in the tech giant by nearly 4,000 shares in Q4 2025.

Apr. 3, 2026 at 7:06am

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An extreme close-up of intricately connected, highly polished metal gears and machinery, representing the complex financial infrastructure and institutional investment that powers Microsoft's growth, rendered in a high-contrast, documentary style.Argentarii LLC's increased stake in Microsoft reflects the continued institutional confidence in the tech giant's financial strength and market dominance.Redmond Today

Argentarii LLC, an investment management firm, raised its holdings in Microsoft Corporation (NASDAQ:MSFT) by 12.3% in the fourth quarter of 2025, according to a recent SEC filing. The fund now owns 35,436 shares of the software giant's stock, worth approximately $17.1 million.

Why it matters

Microsoft is one of the most widely held and influential technology companies globally, and changes in major institutional investors' positions can signal broader market trends and investor sentiment around the stock.

The details

Argentarii LLC acquired an additional 3,891 shares of Microsoft during the fourth quarter, bringing its total position to 35,436 shares. The investment firm's holdings in Microsoft now account for approximately 5.6% of its overall portfolio, making the stock its third-largest position.

  • Argentarii LLC filed its Q4 2025 Form 13F with the SEC on April 3, 2026, disclosing the increased Microsoft stake.

The players

Argentarii LLC

An investment management firm that has increased its holdings in Microsoft Corporation.

Microsoft Corporation

A global technology company that develops software, services, and devices, including the Windows operating system and Microsoft 365 productivity suite.

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The takeaway

Argentarii LLC's increased stake in Microsoft reflects the continued investor confidence in the tech giant's market position and growth potential, even as the broader market faces economic uncertainty.