Boston Scientific Shares Sold by Massachusetts Financial Services

Institutional investor reduces stake in medical equipment provider

Apr. 11, 2026 at 10:37am

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A high-contrast, close-up image of the complex inner workings of a medical device, conveying the technical precision and industrial nature of the healthcare technology industry.An institutional investor's reduced stake in a leading medical device company reflects broader market shifts in the evolving healthcare technology sector.Marlborough Today

Massachusetts Financial Services Co. MA, an institutional investor, reduced its stake in Boston Scientific Corporation (NYSE:BSX) by 12.4% during the fourth quarter, according to a recent SEC filing. The firm previously owned 9,085,528 shares of the medical equipment provider's stock, valued at around $866 million.

Why it matters

This transaction reflects changes in the investment portfolio of a major institutional investor and could signal broader market trends or shifts in sentiment around Boston Scientific's stock. As a leading medical device company, Boston Scientific's performance is closely watched by investors and analysts.

The details

According to the 13F filing, Massachusetts Financial Services sold 1,281,765 shares of Boston Scientific stock during the fourth quarter. The firm now owns approximately 0.61% of Boston Scientific's outstanding shares. The sale comes as Boston Scientific's stock price has declined in recent months, falling from a 52-week high of $109.50 to around $61.72 per share.

  • The transaction occurred during the fourth quarter of 2025.
  • Boston Scientific's stock price has declined from a 52-week high of $109.50 to around $61.72 per share.

The players

Massachusetts Financial Services Co. MA

An institutional investor that manages a large portfolio of stocks, including a significant position in Boston Scientific Corporation.

Boston Scientific Corporation

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

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The takeaway

This transaction highlights the volatility in the medical device sector and the importance of diversification for institutional investors. As Boston Scientific navigates market challenges, its performance will continue to be closely watched by analysts and major shareholders.