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IDEXX Labs (IDXX)
NASDAQ
$564.84+$14.02 (+2.54%)
Price as of Jun 03, 2026 6:22 PM EDT- $44.5BMarket Cap
- 4.75%1-Year Change
- Diagnostics & ResearchIndustry
IDEXX Labs (IDXX)
$564.84+$14.02 (+2.54%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD GROUP INC | 12.61% | 9.9M | -16,697 (-0.17%) | Dec 31, 2025 |
BLACKROCK INC. | 12.17% | 9.6M | +395,972 (+4.12%) | Jun 30, 2024 |
BLACKROCK FUNDING, INC. /DE | 10.74% | 8.5M | -942,652 (-11.13%) | Dec 31, 2024 |
BLACKROCK, INC. | 10.61% | 8.4M | -169,333 (-2.02%) | Mar 31, 2026 |
N/A | 6.57% | 5.2M | +5.2M (+100.00%) | Mar 31, 2026 |
FUNDSMITH EQUITY FUND, L.P. | 5.61% | 4.4M | +4.4M (+100.00%) | Jun 30, 2018 |
BLACKROCK FUND ADVISORS | 4.71% | 3.7M | +43,271 (+1.17%) | Dec 31, 2016 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FIDELITY CONCORD STREET TRUST | 1.70% | 1.3M | +10,992 (+0.82%) | Feb 28, 2026 |
NEW PERSPECTIVE FUND | 1.10% | 869,643 | 0 (0.00%) | Mar 31, 2026 |
BARON SELECT FUNDS | 1.09% | 863,600 | -900 (-0.10%) | Mar 31, 2026 |
FIDELITY MAGELLAN FUND | 1.04% | 822,167 | 0 (0.00%) | Mar 31, 2026 |
AMCAP FUND | 0.93% | 732,861 | +71,840 (+9.80%) | Feb 28, 2026 |
VANGUARD WORLD FUND | 0.78% | 611,546 | -4,812 (-0.79%) | Feb 28, 2026 |
AB LARGE CAP GROWTH FUND INC | 0.64% | 505,443 | 0 (0.00%) | Jan 31, 2026 |
Current Ownership Distribution
- Institutions1.3B (78.98%)
- Mutual Funds352.6M (20.97%)
- Insiders910,055 (0.05%)
- Other0 (0.00%)
Insider Transactions
- 0.05% (910,055)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 5Number of InsiderSelling (last 12 months)
- $1.6BAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
ESSIG STUART | Award | May 12, 2026 | $0.00 | 525 | $0.00 | 525 |
JUNIUS DANIEL M | Award | May 12, 2026 | $0.00 | 525 | $0.00 | 525 |
HOOLEY JOSEPH L | Award | May 12, 2026 | $0.00 | 525 | $0.00 | 525 |
Britt Irene Chang | Award | May 12, 2026 | $0.00 | 525 | $0.00 | 525 |
Kingsley Lawrence D | Award | May 12, 2026 | $0.00 | 525 | $0.00 | 525 |
JUNIUS DANIEL M | Award | May 12, 2026 | $0.00 | 234 | $0.00 | 234 |
Claflin Bruce L. | Award | May 12, 2026 | $0.00 | 525 | $0.00 | 525 |
Britt Irene Chang | Award | May 12, 2026 | $0.00 | 234 | $0.00 | 753 |
ESSIG STUART | Award | May 12, 2026 | $0.00 | 234 | $0.00 | 234 |
HOOLEY JOSEPH L | Award | May 12, 2026 | $0.00 | 234 | $0.00 | 234 |
Kingsley Lawrence D | Award | May 12, 2026 | $0.00 | 168 | $0.00 | 168 |
Claflin Bruce L. | Award | May 12, 2026 | $0.00 | 234 | $0.00 | 1,354 |
Kingsley Lawrence D | Award | May 12, 2026 | $0.00 | 234 | $0.00 | 234 |
Kingsley Lawrence D | Award | May 12, 2026 | $0.00 | 75 | $0.00 | 75 |
Kingsley Lawrence D | Exempt | May 07, 2026 | $0.00 | 257 | $0.00 | 0 |
HOOLEY JOSEPH L | Exempt | May 07, 2026 | $0.00 | 158 | $0.00 | 0 |
Peacock Karen | Exempt | May 07, 2026 | $0.00 | 101 | $0.00 | 0 |
JUNIUS DANIEL M | Exempt | May 07, 2026 | $0.00 | 257 | $0.00 | 0 |
Kingsley Lawrence D | Exempt | May 07, 2026 | $0.00 | 82 | $0.00 | 0 |
HOOLEY JOSEPH L | Exempt | May 07, 2026 | $0.00 | 158 | $0.00 | 276 |
SZOSTAK M ANNE | Exempt | May 07, 2026 | $0.00 | 257 | $0.00 | 0 |
JUNIUS DANIEL M | Exempt | May 07, 2026 | $0.00 | 257 | $0.00 | 3,561 |
Kingsley Lawrence D | Exempt | May 07, 2026 | $0.00 | 257 | $0.00 | 9,486 |
Peacock Karen | Exempt | May 07, 2026 | $0.00 | 101 | $0.00 | 102 |
Kingsley Lawrence D | Exempt | May 07, 2026 | $0.00 | 82 | $0.00 | 9,568 |
SZOSTAK M ANNE | Exempt | May 07, 2026 | $0.00 | 257 | $0.00 | 519 |
Underberg Sharon E. EVP, GC & Corporate Secretary | Exempt | Mar 03, 2026 | $0.00 | 197 | $0.00 | 0 |
Hunt Nimrata Executive Vice President | Sell | Mar 03, 2026 | $1.1M | 1,758 | $634.57 | 18,141 |
Underberg Sharon E. EVP, GC & Corporate Secretary | Exempt | Mar 03, 2026 | $99,589.41 | 197 | $505.53 | 7,138 |
MAZELSKY JAY President and CEO | Exempt | Feb 27, 2026 | $0.00 | 197 | $0.00 | 0 |