William Blair Investment Management Boosts ICU Medical Stake

Institutional investor increases holding in medical device supplier by nearly 10%

Mar. 3, 2026 at 8:07am

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William Blair Investment Management LLC has increased its stake in ICU Medical, Inc. (NASDAQ:ICUI) by 9.9% in the third quarter, according to a recent 13F filing. The institutional investor now owns 232,168 shares of the medical instruments supplier's stock, worth $27.85 million.

Why it matters

ICU Medical is a leading provider of infusion therapy and vascular access products used in hospitals and other healthcare settings. The increase in William Blair's stake suggests the investment firm sees continued growth potential for the company despite recent market volatility.

The details

According to the 13F filing, William Blair Investment Management purchased an additional 20,829 shares of ICU Medical during the third quarter, bringing its total position to 232,168 shares. This represents approximately 0.94% of the company's outstanding shares. The investment firm cited ICU Medical's strong product portfolio and market position as reasons for the increased stake.

  • William Blair Investment Management filed its 13F report for the third quarter on March 3, 2026.

The players

William Blair Investment Management LLC

An institutional investment management firm that oversees over $100 billion in assets.

ICU Medical, Inc.

A leading manufacturer of infusion therapy and vascular access products used in hospitals and other healthcare settings.

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The takeaway

The increase in William Blair's stake in ICU Medical suggests the investment firm sees continued growth potential for the medical device supplier despite recent market volatility. This could signal positive sentiment around ICU Medical's product portfolio and market position.