Grantham Mayo Van Otterloo & Co. LLC Boosts Intuitive Surgical Holdings

The investment firm increased its stake in the medical equipment provider by 4.6% in the third quarter.

Published on Mar. 8, 2026

Grantham Mayo Van Otterloo & Co. LLC, an investment management firm, boosted its position in Intuitive Surgical, Inc. (NASDAQ:ISRG) by 4.6% in the third quarter, according to a recent SEC filing. The firm now owns 1,139,659 shares of the medical equipment provider's stock, valued at $509,690,000, making it one of Intuitive Surgical's largest institutional investors.

Why it matters

Intuitive Surgical is a leading provider of robotic-assisted surgical systems, and its stock is closely watched by investors. The increase in Grantham Mayo Van Otterloo's stake suggests the firm sees continued growth potential in the company.

The details

According to the filing, Grantham Mayo Van Otterloo purchased an additional 50,378 shares of Intuitive Surgical during the third quarter, bringing its total holdings to 1,139,659 shares. This represents approximately 0.32% of Intuitive Surgical's outstanding shares.

  • Grantham Mayo Van Otterloo increased its Intuitive Surgical holdings in the third quarter of 2026.

The players

Grantham Mayo Van Otterloo & Co. LLC

An investment management firm that has become one of the largest institutional investors in Intuitive Surgical.

Intuitive Surgical, Inc.

A medical technology company that designs, manufactures, and services robotic-assisted surgical systems, including the da Vinci surgical system.

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The takeaway

Grantham Mayo Van Otterloo's increased stake in Intuitive Surgical suggests the firm sees continued growth potential in the company, which is a leader in the robotic-assisted surgical systems market.