Russell Investments Trims IDEXX Laboratories Stake

Institutional investor reduces holdings in veterinary diagnostics company by 5.1%

Published on Mar. 10, 2026

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Russell Investments Group Ltd. has reduced its stake in IDEXX Laboratories, Inc. (NASDAQ:IDXX) by 5.1% in the third quarter, according to a regulatory filing. The institutional investor now owns 172,998 shares of the company's stock, valued at $110.4 million as of its most recent SEC disclosure.

Why it matters

IDEXX Laboratories is a leading provider of diagnostic products and services for the animal health, water testing, and food safety markets. Changes in institutional ownership of the company's stock can signal shifts in market sentiment and investor confidence.

The details

Russell Investments sold 9,367 shares of IDEXX Laboratories during the third quarter. The firm now holds a 5.1% smaller stake in the company compared to the prior quarter. IDEXX Laboratories' stock has seen volatility in recent months, with the share price ranging from a 52-week low of $356.14 to a high of $769.98.

  • Russell Investments filed its latest 13F report for the third quarter of 2026.

The players

Russell Investments Group Ltd.

An institutional investment management firm that has reduced its holdings in IDEXX Laboratories.

IDEXX Laboratories, Inc.

A global developer, manufacturer and provider of diagnostic products and services primarily for the animal health, water testing and food safety markets.

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The takeaway

The reduction in Russell Investments' stake in IDEXX Laboratories reflects broader market trends and investor sentiment around the veterinary diagnostics company. However, IDEXX remains a major player in its industry, and changes in institutional ownership do not necessarily indicate any fundamental issues with the business.