William Blair Investment Management Reduces Intuitive Surgical Stake

Hedge fund cuts position in medical equipment provider by over a third

Published on Mar. 4, 2026

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William Blair Investment Management LLC reduced its stake in Intuitive Surgical, Inc. (NASDAQ:ISRG) by 38.3% during the 3rd quarter, according to a recent SEC filing. The firm now owns 22,072 shares of the medical equipment provider's stock, down from 35,775 shares previously.

Why it matters

Intuitive Surgical is a leading provider of robotic-assisted surgical systems, with its da Vinci platform being widely used in minimally invasive procedures. The company's stock performance and institutional ownership are closely watched by investors as indicators of the overall health of the business.

The details

According to the filing, William Blair Investment Management sold 13,703 shares of Intuitive Surgical during the quarter, leaving it with a position valued at $9,871,000 at the end of the period. The hedge fund's reduced stake comes as Intuitive Surgical's stock has faced some volatility, with shares trading between $425 and $603 over the past 52 weeks.

  • The stake reduction occurred during the 3rd quarter of the year.

The players

William Blair Investment Management LLC

A Chicago-based investment management firm that oversees over $70 billion in assets.

Intuitive Surgical, Inc.

A medical technology company that develops and manufactures the da Vinci robotic surgical system used in minimally invasive procedures.

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The takeaway

The reduction in William Blair's Intuitive Surgical position reflects the volatility the stock has faced recently, though the company remains a leader in the robotic surgery market. Investors will continue to watch institutional ownership and trading activity around Intuitive Surgical as a barometer for the company's performance.