Robeco Institutional Asset Management B.V. Reduces Boston Scientific Stake

Institutional investor sells over 125,000 shares of medical device company

Apr. 12, 2026 at 10:39am

An extreme close-up of intricate, industrial-looking financial machinery and equipment, conveying a sense of institutional power and economic security without using literal currency or charts.A major institutional investor's reduced stake in Boston Scientific highlights broader market concerns about the medical device company's near-term outlook.Marlborough Today

Robeco Institutional Asset Management B.V., a major institutional investor, decreased its stake in Boston Scientific Corporation (NYSE: BSX) by 4.0% during the fourth quarter, according to a recent SEC filing. The firm sold 125,991 shares, leaving it with 2,992,877 shares worth approximately $285 million.

Why it matters

Boston Scientific is a leading medical device company, so changes in major institutional ownership can signal broader market sentiment around the stock and the company's performance. This sale by Robeco suggests some institutional investors may be taking a more cautious view on Boston Scientific's near-term prospects.

The details

According to the SEC filing, Robeco Institutional Asset Management B.V. sold 125,991 shares of Boston Scientific during the fourth quarter, reducing its total position to 2,992,877 shares. The firm cited the medical equipment provider's stock price performance as the primary reason for the sale. Boston Scientific's share price has declined in recent months, falling from a 52-week high of $109.50 to around $61 currently.

  • Robeco sold the shares during the fourth quarter of 2025.
  • Boston Scientific's share price has declined from a 52-week high of $109.50 to around $61 currently.

The players

Robeco Institutional Asset Management B.V.

A major institutional investor that decreased its stake in Boston Scientific Corporation.

Boston Scientific Corporation

A leading global medical device company that develops and markets a broad range of products used in less-invasive medical procedures.

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The takeaway

This sale by a prominent institutional investor suggests some caution around Boston Scientific's near-term performance, which could impact the stock price in the coming months. However, Boston Scientific remains a major player in the medical device industry, and its long-term outlook will depend on the company's ability to navigate market challenges and maintain its competitive edge.