Lazard Freres Gestion S.A.S. IDXX — IDEXX LABS CORP

Ownership history in Lazard Freres Gestion S.A.S.  ·  6 quarters on record

AI Ownership Summary

Lazard Freres Gestion S.A.S. reported IDEXX LABS CORP (IDXX) in 6 quarterly 13F filings from 2024 Q4 through 2026 Q1. Peak portfolio weight reached 1.02% in 2025 Q2. The latest visible filing shows IDXX at 0.75% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this IDXX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Lazard Freres Gestion S.A.S.'s position in IDEXX LABS CORP, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

IDXX was reported at 0.75% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.02% in 2025 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

IDXX stock page Lazard Freres Gestion S.A.S. fund profile Lazard Freres Gestion S.A.S. full holdings
How Lazard Freres Gestion S.A.S. held IDXX — position size vs. price
% of Fund (quarterly)    IDXX price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 6 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 67,287 +4,290 +6.8% 0.75% $38K 2026-05-07 $572.20
2025 Q4 REDUCED 20.0% -16.9% ✅ 62,997 -15,702 -20.0% 0.77% $42.6M 2026-02-06 $644.61
2025 Q3 REDUCED 13.4% +7.7% ❌ 78,699 -12,205 -13.4% 0.96% $50.3M 2025-10-21 $637.13
2025 Q2 ADDED — — — 90,904 +9,671 +11.9% 1.02% $48.8M 2025-07-31 $534.31
2025 Q1 ADDED — — — 81,233 +32,110 +65.4% 0.83% $34.1M 2025-05-07 $486.61
2024 Q4 INITIATED — — — 49,123 — — 0.41% $20.3M 2025-02-10 $464.91

🏢 Other funds also holding IDXX

As of 2026 Q1 — sorted by position size

CAPITAL COUNSEL LLC/NY 3Y 7Y 10.04% Manitou Investment Management Ltd. 3Y 7Y 7.73% BOURNE LENT ASSET MANAGEMENT INC 3Y 7Y 6.43% Fundsmith LLP 3Y 7Y 6.42% Haven Capital Group, Inc. 6.33% FUNDSMITH INVESTMENT SERVICES LTD. 3Y 6.14% Seilern Investment Management Ltd 5.42% PERKINS CAPITAL MANAGEMENT INC 3Y 7Y 5.11% AMERICAN CAPITAL MANAGEMENT INC 3Y 7Y 5.01% Quantum Capital Management, LLC / NJ 3Y 7Y 4.04%

FAQ About Lazard Freres Gestion S.A.S. and IDXX

These are the practical questions this page is built to answer before you even open the full history table.

How long has Lazard Freres Gestion S.A.S. reported owning IDXX?

Lazard Freres Gestion S.A.S. reported IDXX across 6 quarterly 13F filings, from 2024 Q4 through 2026 Q1.

What was the largest reported IDXX position in Lazard Freres Gestion S.A.S.'s portfolio?

The largest reported portfolio weight for IDXX was 1.02% in 2025 Q2.

What is the latest reported IDXX position on this page?

The most recent filing on this page is 2026 Q1, when Lazard Freres Gestion S.A.S. reported 67,287 shares, equal to 0.75% of portfolio, with an estimated market value of $38K.

What does the chart on this IDXX ownership page compare?

The chart compares Lazard Freres Gestion S.A.S.'s quarterly IDXX portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did Lazard Freres Gestion S.A.S. time their IDXX position?

Based on 13F filing dates vs. subsequent IDXX price moves, Lazard Freres Gestion S.A.S. correctly timed 4 out of 5 reported position changes (80%). The annualised alpha on IDXX relative to SPY over the holding period was +0.2%.

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