IDEXX Laboratories, Inc. (IDXX) ownership: Top institutional holder: VANGUARD GROUP INC ($6.73B). Insider activity: Net Seller (0 buys, 20 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 9945328.00 | $6.73B | 2025-12-31 |
| BlackRock, Inc. | 8365553.00 | $4.70B | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 5182507.00 | $2.91B | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3910863.00 | $2.20B | 2026-03-31 |
| STATE STREET CORP | 3674185.00 | $2.06B | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 2660999.00 | $1.50B | 2026-03-31 |
| Invesco Ltd. | 1678556.00 | $943.16M | 2026-03-31 |
| BAMCO INC /NY/ | 1633367.00 | $917.77M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-12 | |
| Sell | null | 2026-05-12 | |
| Sell | null | 2026-05-12 | |
| Sell | null | 2026-05-12 | |
| Sell | null | 2026-05-12 | |
| Sell | null | 2026-05-12 | |
| Sell | null | 2026-05-12 | |
| 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.