Idexx Laboratories Inc. – Investors and Politicians Who Own It
IDXX
Investors who own it
10 tracked investors, $1.2B in shares, each from their latest 13F.
| Investor | Value | Share of portfolio |
|---|---|---|
Terry SmithFundsmith, Q2 2026 | $536.9M | 3.93% |
Polen CapitalQ2 2026 | $280.3M | 2.41% |
Anand ParekhAlyeska Investment Group, Q2 2026 | $211.1M | 0.54% |
| $68.1M | 0.04% | |
Jensen Investment ManagementQ2 2026 | $55.6M | 1.35% |
Wally WeitzWeitz Investment Management, Q2 2026 | $18.6M | 1.29% |
Ray DalioBridgewater Associates, Q2 2026 | $17.7M | 0.07% |
Farallon Capital ManagementQ2 2026 | $4.7M | 0.02% |
Barry RitholtzRitholtz Wealth Management, Q2 2026 | $3.4M | 0.05% |
Bill NygrenHarris Associates (Oakmark), Q2 2026 | $239.5K | 0.00% |
Politicians who own it
Estimated from annual disclosures and trades; values are rough estimates.
| Politician | Est. value | Share of portfolio |
|---|---|---|
Byron DonaldsR-FL · House | $12K | 1.58% |
Robert P. Bresnahan, Jr.R-PA · House | $12K | 0.07% |
Gilbert Ray Cisneros, Jr.D-CA · House | $6K | 0.01% |
Investors buying and selling
| Investor | Action | Shares now |
|---|---|---|
| Terry Smith | Reduced −30% | 1,019,887 |
| Polen Capital | Reduced −23% | 532,384 |
| Anand Parekh | Added +97% | 401,082 |
| Jensen Investment Management | Added +2861% | 105,709 |
| Ray Dalio | Added +225% | 33,528 |
| Farallon Capital Management | New | 9,000 |
| Barry Ritholtz | Reduced −26% | 6,366 |
| Jeremy Grantham | Sold out | 0 |
| National Pension Service (Korea) | Added +5.6% | 129,305 |
| Bill Nygren | Reduced −5.6% | 455 |
Politicians trading it
Latest Congress trades disclosed under the STOCK Act; amounts are ranges.
| Politician | Action | Traded |
|---|---|---|
April McClain DelaneyChildD-MD · House | Sold$1K–$15K | Jan 13, 2026disclosed Feb 2, 2026 |
April McClain DelaneyChildD-MD · House | Sold part$1K–$15K | Dec 2, 2025disclosed Jan 5, 2026 |
April McClain DelaneyChildD-MD · House | Sold part$1K–$15K | Oct 29, 2025disclosed Nov 4, 2025 |
April McClain DelaneyChildD-MD · House | Sold part$1K–$15K | Oct 16, 2025disclosed Nov 4, 2025 |
Byron DonaldsR-FL · House | Bought$1K–$15K | Sep 4, 2025disclosed Oct 7, 2025 |
Byron DonaldsSpouseR-FL · House | Bought$1K–$15K | Sep 4, 2025disclosed Oct 7, 2025 |
April McClain DelaneyChildD-MD · House | Sold part$1K–$15K | Aug 7, 2025disclosed Sep 2, 2025 |
April McClain DelaneyChildD-MD · House | Sold part$1K–$15K | Aug 1, 2025disclosed Sep 2, 2025 |
April McClain DelaneyChildD-MD · House | Sold part$1K–$15K | Jul 9, 2025disclosed Aug 5, 2025 |
Robert P. Bresnahan, Jr.R-PA · House | Bought$1K–$15K | May 15, 2025disclosed Jun 9, 2025 |
Jefferson ShreveR-IN · House | Sold$100K–$250K | May 12, 2025disclosed Jun 22, 2025 |
April McClain DelaneyChildD-MD · House | Bought$1K–$15K | Apr 9, 2025disclosed May 2, 2025 |
Robert P. Bresnahan, Jr.R-PA · House | Sold$1K–$15K | Apr 8, 2025disclosed Apr 28, 2025 |
April McClain DelaneyChildD-MD · House | Bought$1K–$15K | Apr 7, 2025disclosed May 2, 2025 |
Jefferson ShreveR-IN · House | Bought$50K–$100K | Apr 7, 2025disclosed May 8, 2025 |
April McClain DelaneyChildD-MD · House | Bought$1K–$15K | Apr 4, 2025disclosed May 2, 2025 |
April McClain DelaneyChildD-MD · House | Bought$1K–$15K | Apr 1, 2025disclosed May 2, 2025 |
April McClain DelaneyChildD-MD · House | Bought$1K–$15K | Mar 14, 2025disclosed Apr 2, 2025 |
Jefferson ShreveR-IN · House | Bought$15K–$50K | Mar 13, 2025disclosed Apr 11, 2025 |
Robert P. Bresnahan, Jr.R-PA · House | Bought$1K–$15K | Feb 25, 2025disclosed Mar 27, 2025 |
Tommy TubervilleJointR-AL · Senate | Sold$1K–$15K | Jan 22, 2024disclosed Feb 14, 2024 |
Tommy TubervilleJointR-AL · Senate | Bought$1K–$15K | Apr 3, 2023disclosed May 12, 2023 |
Tommy TubervilleJointR-AL · Senate | Bought$1K–$15K | Apr 3, 2023disclosed May 11, 2023 |
Tommy TubervilleJointR-AL · Senate | Sold$1K–$15K | Oct 5, 2022disclosed Nov 10, 2022 |
Tommy TubervilleJointR-AL · Senate | Bought$1K–$15K | Mar 29, 2021disclosed Jul 23, 2021 |
Gilbert Ray Cisneros, Jr.D-CA · House | Sold part$1K–$15K | Oct 9, 2020disclosed Nov 5, 2020 |
Gilbert Ray Cisneros, Jr.D-CA · House | Sold part$1K–$15K | Aug 11, 2020disclosed Sep 14, 2020 |
Gilbert Ray Cisneros, Jr.D-CA · House | Sold part$1K–$15K | Jun 10, 2020disclosed Jul 17, 2020 |
Gilbert Ray Cisneros, Jr.D-CA · House | Bought$1K–$15K | Apr 9, 2020disclosed May 13, 2020 |
Gilbert Ray Cisneros, Jr.D-CA · House | Sold part$1K–$15K | Jun 3, 2019disclosed Jun 18, 2019 |
Gilbert Ray Cisneros, Jr.D-CA · House | Bought$1K–$15K | Feb 27, 2019disclosed Mar 8, 2019 |
Gilbert Ray Cisneros, Jr.D-CA · House | Bought$1K–$15K | Feb 26, 2019disclosed Mar 8, 2019 |