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IDEXX Laboratories, Inc. $IDXX is Fundsmith Investment Services LTD.'s 5th Largest Position
Fundsmith lowered stake in IDEXX Laboratories by 18.5% in Q3
Mar. 14, 2026 at 8:38am
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Fundsmith Investment Services LTD. lowered its stake in shares of IDEXX Laboratories, Inc. (NASDAQ:IDXX) by 18.5% in the third quarter, according to its most recent 13F filing with the Securities & Exchange Commission. The firm owned 688,357 shares of the company's stock after selling 156,259 shares during the period, making IDEXX Laboratories about 6.9% of Fundsmith's investment portfolio and its 5th largest holding.
Why it matters
IDEXX Laboratories is a major player in the animal health diagnostics market, providing in-clinic testing instruments and reference lab services to veterinary practices. Fundsmith's reduced stake in the company could signal a shift in the investment firm's outlook on IDEXX's growth prospects or valuation.
The details
According to the 13F filing, Fundsmith Investment Services LTD. sold 156,259 shares of IDEXX Laboratories in the third quarter, lowering its total position to 688,357 shares. This represented about 6.9% of Fundsmith's overall investment portfolio, making IDEXX the firm's 5th largest holding. No other details were provided about Fundsmith's rationale for reducing its IDEXX position.
- Fundsmith lowered its IDEXX Laboratories stake in the third quarter of 2026.
The players
Fundsmith Investment Services LTD.
A global investment management firm that owns a significant stake in IDEXX Laboratories.
IDEXX Laboratories, Inc.
An American company that develops, manufactures, and distributes products and services for the animal health, water quality, and food safety markets.
The takeaway
Fundsmith's reduced position in IDEXX Laboratories, one of the leading animal health diagnostics companies, could signal a shift in the investment firm's outlook on the stock's growth potential or valuation. However, without further details from Fundsmith, it's difficult to determine the specific reasons behind the portfolio change.
