IDEXX Laboratories, Inc. (IDXX) ownership: insiders 1% · institutions 43% · index and ETF funds 48% (13F 2026-03-31). Insider activity, 90 days: 0 sales, 0 open-market buys. 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| Vanguard | 9924625.00 | $5.58B | 12.6% | 2026-03-31 |
| BlackRock | 8365553.00 | $4.70B | 10.6% | 2026-03-31 |
| State Street | 3674185.00 | $2.06B | 4.7% | 2026-03-31 |
| Geode Capital Management | 2660999.00 | $1.50B | 3.4% | 2026-03-31 |
| Invesco | 1678556.00 | $943.16M | 2.1% | 2026-03-31 |
| Bamco Inc | 1633367.00 | $917.77M | 2.1% | 2026-03-31 |
| Bank of New York Mellon | 1504532.00 | $845.38M | 1.9% | 2026-03-31 |
| Fundsmith LLP | 1465786.00 | $823.61M | 1.9% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-20 | |
| Sell | null | 2026-08-20 | |
| Sell | null | 2026-08-20 | |
| Sell | null | 2026-07-30 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-05-12 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.