Robeco Institutional Asset Management Trims Stake in ARM Holdings

The asset management firm reduced its position in the semiconductor IP company by 1% in Q4 2025.

Apr. 13, 2026 at 9:52am

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Robeco Institutional Asset Management B.V. reduced its position in ARM Holdings PLC Sponsored ADR (NASDAQ:ARM) by 1.0% during the 4th quarter, according to the company's most recent SEC filing. The firm owned 571,140 shares of the company's stock, valued at $62,431,000 at the end of the quarter.

Why it matters

ARM is a major player in the semiconductor industry, providing the architecture and IP that powers a wide range of computing devices. Tracking institutional investor activity in ARM can provide insights into market sentiment and expectations around the company's performance.

The details

Robeco Institutional Asset Management B.V. sold 5,832 shares of ARM stock during the fourth quarter, reducing its total position to 571,140 shares. Other hedge funds have also made changes to their ARM holdings, with Pacific Heights Asset Management LLC increasing its stake by 32.1% and Voya Investment Management LLC adding 27,228 shares.

  • Robeco Institutional Asset Management B.V. reported its Q4 2025 holdings in an SEC filing on April 13, 2026.
  • The firm reduced its ARM position by 1.0% during the fourth quarter of 2025.

The players

Robeco Institutional Asset Management B.V.

A global asset management firm that owned a $62.43 million stake in ARM Holdings as of the end of Q4 2025.

ARM Holdings PLC

A global semiconductor IP company best known for designing energy-efficient processor architectures and related technologies that underpin a wide range of computing devices.

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The takeaway

Robeco's reduced stake in ARM suggests some institutional investors may be taking a more cautious view on the semiconductor IP company's near-term prospects, even as ARM continues to play a vital role in powering a wide range of computing devices.