IDEXX Laboratories Inc (IDXX)
Healthcare
Diagnostics & Research
559.10 $
+0.0%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns IDEXX Laboratories Inc (IDXX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.6% of the shares are freely tradable; institutional investors hold 96.2%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
96.2%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
0.2%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
99.6%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
3.0%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
79Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 10.61 | 8,365,553 | -2.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 6.57 | 5,182,507 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.96 | 3,910,863 | +0.0 | 03/31/2026 |
| State Street Corp | 4.66 | 3,674,185 | +0.5 | 03/31/2026 |
| Amvescap Plc. | 4.25 | 3,349,677 | +1.6 | 03/31/2026 |
| Geode Capital Management, LLC | 3.37 | 2,660,999 | +3.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Morn Total Stk Mkt Idx Investor | 3.18 | 2,504,767 | -1.2 | 06/30/2026 |
| Vanguard 500 Index Investor | 2.60 | 2,048,001 | -2.1 | 06/30/2026 |
| Vanguard Morn Mid Cap Index Instl | 2.17 | 1,709,467 | -1.0 | 06/30/2026 |
| Invesco QQQ Trust | 2.11 | 1,661,965 | +0.0 | 07/29/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.