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IDXX position history

The shares of Idexx Laboratories (IDXX) that WEITZ INVESTMENT MANAGEMENT, INC. reported in each quarter’s 13F.

Equity, COM

Shares held by quarter

New Add Reduce Exit

  1. 2025 Q1: 60,300 shares, $25M, 1.3% of portfolio, New
  2. 2025 Q2: 60,300 shares, $32M, 1.7% of portfolio
  3. 2025 Q3: 56,800 shares, $36M, 2.0% of portfolio, Reduce −5.8%
  4. 2025 Q4: 35,300 shares, $24M, 1.4% of portfolio, Reduce −37.9%
  5. 2026 Q1: 35,300 shares, $20M, 1.4% of portfolio
  6. 2026 Q2: 35,300 shares, $19M, 1.3% of portfolio
Holdings date Value % of holdings Shares Filing date All 13F holders