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IDEXX Labs (IDXX)
NASDAQ
$545.25-$3.91 (-0.71%)
Price as of Jun 25, 2026 6:40 AM EDT- $43.3BMarket Cap
- 3.54%1-Year Change
- Diagnostics & ResearchIndustry
IDEXX Labs (IDXX)
$545.25-$3.91 (-0.71%)
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 |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 10.02% | 7.9M | -47,333 (-0.60%) | Mar 31, 2026 |
iSHARES TRUST | 3.69% | 2.9M | -35,616 (-1.22%) | Mar 31, 2026 |
INVESCO QQQ TRUST, SERIES 1 | 2.13% | 1.7M | -114,303 (-6.81%) | Mar 31, 2026 |
FIDELITY CONCORD STREET TRUST | 1.70% | 1.3M | +10,992 (+0.82%) | Feb 28, 2026 |
SPDR S&P 500 ETF TRUST | 1.18% | 929,957 | -45,156 (-4.86%) | Mar 31, 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 |
Current Ownership Distribution
- Institutions1.3B (78.20%)
- Mutual Funds369.2M (21.74%)
- Insiders899,982 (0.05%)
- Other0 (0.00%)
Insider Transactions
- 0.05% (899,982)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 |
|---|---|---|---|---|---|---|
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 |
MAZELSKY JAY President and CEO | Exempt | Feb 27, 2026 | $99,589.41 | 197 | $505.53 | 83,803 |
Hunt Nimrata Executive Vice President | Sell | Feb 26, 2026 | $1.8M | 2,693 | $661.54 | 19,899 |
MAZELSKY JAY President and CEO | Exempt | Feb 26, 2026 | $0.00 | 23,326 | $0.00 | 0 |
MAZELSKY JAY President and CEO | Exempt | Feb 26, 2026 | $3.3M | 23,326 | $141.60 | 106,932 |
MAZELSKY JAY President and CEO | Sell | Feb 26, 2026 | $833,507.63 | 1,281 | $650.67 | 105,651 |
MAZELSKY JAY President and CEO | Sell | Feb 26, 2026 | $713,377.83 | 1,095 | $651.49 | 104,556 |
MAZELSKY JAY President and CEO | Sell | Feb 26, 2026 | $1.1M | 1,669 | $652.49 | 102,887 |
MAZELSKY JAY President and CEO | Sell | Feb 26, 2026 | $765,454.95 | 1,171 | $653.68 | 101,716 |
MAZELSKY JAY President and CEO | Sell | Feb 26, 2026 | $727,293.26 | 1,111 | $654.63 | 100,605 |
MAZELSKY JAY President and CEO | Sell | Feb 26, 2026 | $975,904.50 | 1,488 | $655.85 | 99,117 |
MAZELSKY JAY President and CEO | Sell | Feb 26, 2026 | $882,142.97 | 1,343 | $656.85 | 97,774 |
MAZELSKY JAY President and CEO | Sell | Feb 26, 2026 | $1.9M | 2,860 | $657.84 | 94,914 |
MAZELSKY JAY President and CEO | Sell | Feb 26, 2026 | $2.4M | 3,660 | $658.92 | 91,254 |
MAZELSKY JAY President and CEO | Sell | Feb 26, 2026 | $1.9M | 2,859 | $659.75 | 88,395 |
MAZELSKY JAY President and CEO | Sell | Feb 26, 2026 | $793,317.12 | 1,200 | $661.10 | 87,195 |
MAZELSKY JAY President and CEO | Sell | Feb 26, 2026 | $662,156.70 | 1,000 | $662.16 | 86,195 |
MAZELSKY JAY President and CEO | Sell | Feb 26, 2026 | $1.7M | 2,589 | $663.04 | 83,606 |
Erickson Michael G Executive Vice President | Exempt | Feb 19, 2026 | $0.00 | 719 | $0.00 | 0 |
Erickson Michael G Executive Vice President | Exempt | Feb 19, 2026 | $0.00 | 817 | $0.00 | 0 |
Erickson Michael G Executive Vice President | Exempt | Feb 19, 2026 | $0.00 | 483 | $0.00 | 0 |
Erickson Michael G Executive Vice President | Exempt | Feb 19, 2026 | $0.00 | 183 | $0.00 | 0 |
Erickson Michael G Executive Vice President | Exempt | Feb 19, 2026 | $0.00 | 197 | $0.00 | 0 |
Erickson Michael G Executive Vice President | Exempt | Feb 19, 2026 | $101,810.40 | 719 | $141.60 | 13,412 |
Erickson Michael G Executive Vice President | Exempt | Feb 19, 2026 | $145,638.42 | 817 | $178.26 | 14,229 |
Erickson Michael G Executive Vice President | Exempt | Feb 19, 2026 | $99,952.02 | 483 | $206.94 | 14,712 |
Erickson Michael G Executive Vice President | Exempt | Feb 19, 2026 | $99,566.64 | 183 | $544.08 | 14,895 |