IDXX
IDEXX Labs (IDXX)
NASDAQ
$564.84+$14.02 (+2.54%)
Price as of Jun 03, 2026 6:22 PM EDT
  • $44.5B
    Market Cap
  • 4.75%
    1-Year Change
  • Diagnostics & Research
    Industry

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

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)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 5
    Number of InsiderSelling (last 12 months)
  • $1.6B
    Amount 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