Vanguard Portfolio Management Reports 5.04% Stake in IDEXX Laboratories
IDEXX Laboratories Inc
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Filing Summary
📊 New Schedule 13G Filing: IDEXX Laboratories Inc ($IDXX)
Investor: Vanguard Portfolio Management Ownership: 3,974,472 shares (5.04%) Voting Power: 18,545 sole / 0 shared Dispositive Power: 3,974,472 sole / 0 shared Event Date: September 30, 2026 Filing Type: Rule 13d-1(b) (Passive Institutional)
Comprehensive Analysis
Overview
On October 30, 2026, Vanguard Portfolio Management LLC filed a Schedule 13G with the SEC disclosing a passive 5.04% ownership stake in IDEXX Laboratories Inc ($IDXX) as of September 30, 2026.
Key Holdings Details
- Aggregate Beneficial Ownership: 3,974,472 shares of Common Stock
- Percent of Class: 5.04%
- Voting Authority:
- Sole Voting Power: 18,545 shares
- Shared Voting Power: 0 shares
- Dispositive Authority:
- Sole Dispositive Power: 3,974,472 shares
- Shared Dispositive Power: 0 shares
Context & Significance
- Filing Rule: Filed pursuant to Rule 13d-1(b), identifying the reporting person as an Investment Adviser acquiring securities in the ordinary course of business without activist intent.
- Market Impact: Low. This filing reflects standard passive index and institutional portfolio management adjustments crossing the 5% disclosure threshold rather than an activist campaign or operational push.
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Important Disclaimer
This content is drawn from public SEC filings and may contain errors. It is for informational purposes only and is not investment, legal, or tax advice.
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