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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — IDXX
Institutional Holdings
Insider Transactions
US Institutional Ownership
86.4%
Institution
Shares
Value
Ownership %
Change
Filing Date
BlackRock, Inc.
8.37M
$4.70B
10.56%
-169.3K
2026-03-31
VANGUARD CAPITAL MANAGEMENT LLC
5.18M
$2.91B
6.54%
--
2026-03-31
VANGUARD PORTFOLIO MANAGEMENT LLC
3.91M
$2.20B
4.94%
--
2026-03-31
STATE STREET CORP
3.67M
$2.06B
4.64%
+17.6K
2026-03-31
GEODE CAPITAL MANAGEMENT, LLC
2.66M
$1.50B
3.36%
+77.1K
2026-03-31
Invesco Ltd.
1.68M
$943.0M
2.12%
+176.3K
2026-03-31
BAMCO INC /NY/
1.63M
$917.0M
2.06%
-164.7K
2026-03-31
Bank of New York Mellon Corp
1.50M
$845.0M
1.90%
-119.9K
2026-03-31
Fundsmith LLP
1.47M
$823.0M
1.85%
-410.2K
2026-03-31
MORGAN STANLEY
1.32M
$739.0M
1.66%
-237.8K
2026-03-31
BLAIR WILLIAM & CO/IL
946.3K
$531.0M
1.19%
-55.0K
2026-03-31
NORTHERN TRUST CORP
911.9K
$512.0M
1.15%
-11.3K
2026-03-31
PRINCIPAL FINANCIAL GROUP INC
881.2K
$495.0M
1.11%
-87.8K
2026-03-31
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC
871.8K
$489.0M
1.10%
+11.9K
2026-03-31
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
838.8K
$471.0M
1.06%
+288.5K
2026-03-31
Capital Research Global Investors
781.3K
$439.0M
0.99%
+173.6K
2026-03-31
WELLINGTON MANAGEMENT GROUP LLP
735.5K
$413.0M
0.93%
-43.7K
2026-03-31
GOLDMAN SACHS GROUP INC
716.9K
$402.0M
0.90%
-115.0K
2026-03-31
POLEN CAPITAL MANAGEMENT LLC
695.8K
$390.0M
0.88%
-264.7K
2026-03-31
FRANKLIN RESOURCES INC
662.6K
$372.0M
0.84%
+35.5K
2026-03-31
Legal & General Group Plc
650.8K
$365.0M
0.82%
-19.8K
2026-03-31
PRICE T ROWE ASSOCIATES INC /MD/
638.1K
$358.0M
0.81%
-314.2K
2026-03-31
Amundi
610.8K
$343.0M
0.77%
-8.0K
2026-03-31
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
610.2K
$342.0M
0.77%
+20.2K
2026-03-31
AMERICAN CENTURY COMPANIES INC
599.9K
$337.0M
0.76%
-29.0K
2026-03-31
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