IDXX IDEXX LABORATORIES INC /DE: institutional ownership and insider trading
1,395 funds reported holding $46.4B of IDEXX LABORATORIES INC /DE in their latest 13F filings; in Q2 2026 funds net bought $1.34B, with 102 new positions and 106 funds selling out; over the last 12 months insiders bought $0 and sold $37.7M on the open market.
Famous investors holding IDXX
- Terry Smith (Fundsmith): $537M, 3.9% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $57.8M, 0.1% of the portfolio
- Ray Dalio (Bridgewater Associates): $17.7M, 0.1% of the portfolio
- Izzy Englander (Millennium Management): $51.1M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $35.4M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $537K, 0.0% of the portfolio
Largest institutional holders of IDXX
- VANGUARD GROUP INC — $6.73B
- BlackRock, Inc. (BLK) — $4.30B
- VANGUARD CAPITAL MANAGEMENT LLC — $2.71B
- VANGUARD PORTFOLIO MANAGEMENT LLC — $2.05B
- STATE STREET CORP (STT, STT-PG) — $1.97B
- Invesco Ltd. (IVZ) — $1.90B
- GEODE CAPITAL MANAGEMENT, LLC — $1.35B
- BAMCO INC /NY/ — $1.04B
- MORGAN STANLEY (MS, MS-PA, MS-PE, MS-PF, MS-PI, MS-PK, MS-PL, MS-PO, MS-PP, MS-PQ) — $714M
- Bank of New York Mellon Corp (BK, BK-PK) — $628M
Recent IDXX insider trades
- Sep 4, 2026: Kingsley Lawrence D sold 2,203 shares ($1.17M)
- Mar 3, 2026: Hunt Nimrata sold 1,758 shares ($1.12M)
- Feb 26, 2026: Mazelsky Jonathan Jay sold 23,326 shares ($15.3M)
- Feb 26, 2026: Hunt Nimrata sold 2,693 shares ($1.78M)
Members of Congress trading IDXX
- Jan 13, 2026: April McClain Delaney sold $1.00K–$15.0K
- Dec 2, 2025: April McClain Delaney sold part of $1.00K–$15.0K
- Oct 29, 2025: April McClain Delaney sold part of $1.00K–$15.0K
- Oct 16, 2025: April McClain Delaney sold part of $1.00K–$15.0K
- Sep 4, 2025: Byron Donalds bought $1.00K–$15.0K
- Sep 4, 2025: Byron Donalds bought $1.00K–$15.0K
- Aug 7, 2025: April McClain Delaney sold part of $1.00K–$15.0K
- Aug 1, 2025: April McClain Delaney sold part of $1.00K–$15.0K
- Jul 9, 2025: April McClain Delaney sold part of $1.00K–$15.0K
- May 15, 2025: Robert P. Bresnahan, Jr. bought $1.00K–$15.0K
5%+ owners
- Vanguard Capital Management: 7.5% (Schedule 13G, filed Apr 30, 2026)