AI Holders Summary · Q2 2026

1,369 institutions reported IDXX in Q2 2026. BlackRock, Inc. leads at 19.8% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(4 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$4.3B8.2M0.06%Q2 2026 02

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$2.7B5.2M0.06%Q2 2026 03

Vanguard Portfolio Management

CIK 0002100121· Index

$2.1B3.9M0.09%Q2 2026 04

STATE STREET CORP

CIK 0000093751

$2.0B3.7M0.06%Q2 2026 05

Invesco Ltd.

CIK 0000914208

$1.9B3.6M0.15%Q2 2026 06

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$1.3B2.6M0.07%Q2 2026 07

BAMCO INC /NY/

CIK 0001017918

$1.0B2.0M1.56%Q2 2026 08

MORGAN STANLEY

CIK 0000895421

$714M1.4M0.04%Q2 2026 09

Bank of New York Mellon Corp

CIK 0001390777

$628M1.2M0.10%Q2 2026 10

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$562M1.1M0.25%Q2 2026 11

Fundsmith LLP

CIK 0001569205

$537M1.0M3.93%Q2 2026 12

BLAIR WILLIAM & CO/IL

CIK 0000902367

$484M919K1.26%Q2 2026 13

NORTHERN TRUST CORP

CIK 0000073124· Index

$483M918K0.06%Q2 2026 14

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

CIK 0000861177

$480M911K0.09%Q2 2026 15

FMR LLC

CIK 0000315066

$433M823K0.02%Q2 2026 16

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$426M808K0.19%Q2 2026 17

Capital Research Global Investors

CIK 0001422848

$415M789K0.06%Q2 2026 18

JPMORGAN CHASE & CO

CIK 0000019617

$405M756K0.02%Q2 2026 19

PRINCIPAL FINANCIAL GROUP INC

CIK 0001126328

$391M743K0.19%Q2 2026 20

GOLDMAN SACHS GROUP INC

CIK 0000886982

$389M739K0.03%Q2 2026

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