IDEXX LABORATORIES INC (IDXX) Institutional Ownership Changes & 13F Activity

IDEXX LABORATORIES INC (IDXX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Polen Capital Management, Jensen Investment Management, Parnassus Endeavor Fund, Sequoia Financial Advisors, and Fundsmith.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2013Mairs & Power Growth FundBuy4,9994,999$532
Q3 2013Renaissance Technologies LLCSell-223,752118,700$11,828
Q2 2013Renaissance Technologies LLCBuy342,452342,452$30,715
Q2 2013First Eagle U.S. ValueBuy4,0004,000$359

Frequently asked questions about IDXX activity

  • Which institutional owners are buying IDXX?

    Institutional owners buying IDXX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in IDXX activity?

    "Buy" means an investor increased their reported position in IDXX compared to the prior reporting period. This reflects growing exposure to IDEXX LABORATORIES INC (IDXX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in IDXX increasing?

    Institutional interest in IDXX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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