IDXX
Idexx Laboratories Inc
7 of the 83 super-investors we track hold IDXX, worth a combined $548M per their latest 13F filings. The largest position: Terry Smith at 3.8% of their portfolio. This quarter the cohort logged 0 buys and 1 sell on the name. Conviction score: 32 of 100 (how strongly the cohort backs it) — ranked #300 of 742 stocks.
Why super-investors own IDXX
IDXX is held by 7 super-investors in our cohort, with a combined position value of $548M. The highest-conviction owner is Terry Smith at 3.8% of their portfolio. This quarter the cohort registered 1 trimmed.
AI-synthesized from 13F filings. Not investment advice.
Cohort owners over time
2016Q3 → 2026Q2How many of the cohort members held this stock each quarter.
Owners (7) · click any column to sort
| #↑ | Manager | % Port. | History | Value | Shares |
|---|---|---|---|---|---|
| 1 | Polen Capital Management | 2.4% | 5q | $280M | 532,384 |
| 2 | Terry Smith | 3.8% | 18q | $172M | 327,058 |
| 3 | Jensen Investment Management | 1.3% | 9q | $56M | 105,709 |
| 4 | Joel Greenblatt | <0.1% | 35q | $20M | 38,846 |
| 5 | Wallace Weitz | 1.3% | 6q | $19M | 35,300 |
| 6 | Mairs & Power Funds | <0.1% | 40q | $1M | 2,080 |
| 7 | Bill Nygren | 0.0% | 4q | $240K | 455 |
- 1Polen Capital Managementport2.4%val$280M532,384 sh·5q held
- 2Terry Smithport3.8%val$172M327,058 sh·18q held
- 3Jensen Investment Managementport1.3%val$56M105,709 sh·9q held
- 4Joel Greenblattport<0.1%val$20M38,846 sh·35q held
- 5Wallace Weitzport1.3%val$19M35,300 sh·6q held
- 6Mairs & Power Fundsport<0.1%val$1M2,080 sh·40q held
- 7Bill Nygrenport0.0%val$240K455 sh·4q held
Owners of IDXX also hold
Congress is trading IDXX
Congress tracker →- April McClain Delaneysold$1,001 - $15,000 · 2026-01-13
- April McClain Delaneysold$1,001 - $15,000 · 2025-12-02
- April McClain Delaneysold$1,001 - $15,000 · 2025-10-29
- April McClain Delaneysold$1,001 - $15,000 · 2025-10-16
- Byron Donaldsbought$1,001 - $15,000 · 2025-09-04
- Byron Donaldsbought$1,001 - $15,000 · 2025-09-04
STOCK Act periodic transaction reports; amounts are disclosed ranges. Who files late →
Recent activity (1)
| Manager | Move | % Port. | Δ Shares | Value | Filed |
|---|---|---|---|---|---|
| Terry Smith | TRIM | 3.8% | -32% | $172M | Aug 14, 2026 |
Long US equity 13F-HR filings only. CUSIP 45168D104. Not investment advice.