13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · In Vitro & In Vivo Diagnostic Substances
IDXX

IDEXX LABS INC

1,352 institutions still hold IDEXX LABS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 45168D104·In Vitro & In Vivo Diagnostic Substances·1,352 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$22.2B
visible holders
Holders
1,352
filers reporting
Concentration
21.15%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

1,352 institutions reported IDXX in Q1 2026. BlackRock, Inc. leads at 21.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$4.7B8.4M0.08%Q1 202602
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$2.9B5.2M0.07%Q1 202603
Vanguard Portfolio Management
CIK 0002100121· Index
$2.2B3.9M0.11%Q1 202604
STATE STREET CORP
CIK 0000093751
$2.1B3.7M0.07%Q1 202605
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$1.5B2.7M0.09%Q1 202606
Invesco Ltd.
CIK 0000914208
$943M1.7M0.14%Q1 202607
BAMCO INC /NY/
CIK 0001017918
$918M1.6M2.77%Q1 202608
Bank of New York Mellon Corp
CIK 0001390777
$845M1.5M0.16%Q1 202609
Fundsmith LLP
CIK 0001569205
$824M1.5M6.42%Q1 202610
MORGAN STANLEY
CIK 0000895421
$739M1.3M0.04%Q1 202611
BLAIR WILLIAM & CO/IL
CIK 0000902367
$532M946K1.52%Q1 202612
NORTHERN TRUST CORP
CIK 0000073124· Index
$512M912K0.07%Q1 202613
PRINCIPAL FINANCIAL GROUP INC
CIK 0001126328
$495M881K0.26%Q1 202614
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$490M872K0.10%Q1 202615
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$471M839K0.26%Q1 202616
Capital Research Global Investors
CIK 0001422848
$439M781K0.07%Q1 202617
JPMORGAN CHASE & CO
CIK 0000019617
$434M780K0.03%Q1 202618
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$413M735K0.08%Q1 202619
GOLDMAN SACHS GROUP INC
CIK 0000886982
$403M717K0.05%Q1 202620
POLEN CAPITAL MANAGEMENT LLC
CIK 0001034524
$391M696K2.70%Q1 2026
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