IDEXX Laboratories Inc
IDXX- Exchange
- Nasdaq
- Industry
- In Vitro & In Vivo Diagnostic Substances
- SEC CIK
- 0000874716
In the last 90 days, IDEXX Laboratories Inc insiders filed 0 open-market purchases and 1 sale; 1,306 institutions reported holding it in 13F filings for Q2 2026, worth $39.1B in total; 3 superinvestors hold it, including Fundsmith and Weitz Investment Management.
13F holders, Q3 2024
Institutional positions in IDEXX Laboratories Inc as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 1,117
- +18 vs. Q2 2024
- Shares held
- 73.4M
- +8.20M (+12.6%) vs. Q2 2024
- Total value
- $36.7B
- +$4.99B (+15.7%) vs. Q2 2024
- New holders
- 105
- 363 more added
- Sold out
- 87
- 430 more reduced
11 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IDXX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,306 | $39.1B |
| Q1 2026 | 1,318 | $41.2B |
| Q4 2025 | 1,385 | $50.3B |
| Q3 2025 | 1,302 | $46.1B |
| Q2 2025 | 1,234 | $40.0B |
| Q1 2025 | 1,143 | $31.1B |
| Q4 2024 | 1,124 | $29.8B |
| Q3 2024 | 1,117 | $36.7B |
| Q2 2024 | 1,110 | $36.4B |
| Q1 2024 | 1,147 | $39.1B |
| Q4 2023 | 1,155 | $40.5B |
| Q3 2023 | 1,061 | $32.4B |
| Q2 2023 | 1,069 | $36.7B |
| Q1 2023 | 1,058 | $36.4B |
| Q4 2022 | 1,001 | $30.0B |
| Q3 2022 | 925 | $24.0B |
| Q2 2022 | 959 | $25.9B |
| Q1 2022 | 1,036 | $39.7B |
| Q4 2021 | 1,110 | $47.1B |
| Q3 2021 | 1,063 | $44.6B |
| Q2 2021 | 1,037 | $46.1B |
| Q1 2021 | 1,015 | $35.6B |
Institutions, Q3 2024
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Unique Wealth Strategies, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Ruedi Wealth Management, Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Redwood Wealth Management Group, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |
| Fjarde AP-fonden (The Fourth Swedish National Pensionfund) | – | – | – | – | Not filed |
| Gratus Capital LLC | – | – | – | – | Not filed |
| Ofi Invest Asset Management | – | – | – | – | Not filed |
| Girard Partners Ltd. | – | – | – | – | Not filed |
| Buckingham Strategic Wealth, LLC | – | – | – | – | Not filed |
| Benjamin F. Edwards & Company, Inc. | – | – | – | – | Not filed |
| Hoylecohen, LLC | – | – | – | – | Not filed |
| Epic Trust Investment Advisors, LLC | – | – | – | – | Not filed |
| Institutional & Family Asset Management, LLC | – | – | – | – | Not filed |
| JJJ Advisors Inc. | – | – | – | – | Not filed |