AI Holders Summary · Q1 2026

822 institutions reported WST in Q1 2026. BlackRock, Inc. leads at 15.9% 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

$1.7B6.8M0.03%Q1 2026 02

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$1.2B4.7M0.03%Q1 2026 03

Vanguard Portfolio Management

CIK 0002100121· Index

$1.0B4.1M0.05%Q1 2026 04

STATE STREET CORP

CIK 0000093751

$826M3.3M0.03%Q1 2026 05

Artisan Partners Limited Partnership

CIK 0001466153

$666M2.7M1.07%Q1 2026 06

Bank of New York Mellon Corp

CIK 0001390777

$618M2.5M0.11%Q1 2026 07

T. Rowe Price Investment Management, Inc.

CIK 0001897612

$587M2.3M0.40%Q1 2026 08

GENERATION INVESTMENT MANAGEMENT LLP

CIK 0001375534

$562M2.2M5.04%Q1 2026 09

BROWN ADVISORY INC

CIK 0001345929

$535M1.9M0.75%Q4 2025 10

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$478M1.9M0.03%Q1 2026 11

MORGAN STANLEY

CIK 0000895421

$366M1.5M0.02%Q1 2026 12

FMR LLC

CIK 0000315066

$313M1.2M0.02%Q1 2026 13

Longview Partners (Guernsey) LTD

CIK 0001426092

$311M1.1M3.25%Q4 2025 14

APG Asset Management N.V.

CIK 0001434819

$276M1.3M0.87%Q1 2026 15

Invesco Ltd.

CIK 0000914208

$265M1.1M0.03%Q1 2026 16

JPMORGAN CHASE & CO

CIK 0000019617

$256M1.0M0.02%Q1 2026 17

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

CIK 0000861177

$226M903K0.05%Q1 2026 18

KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC

CIK 0001021223

$215M858K0.63%Q1 2026 19

TD ASSET MANAGEMENT INC

CIK 0001056053

$193M769K0.16%Q1 2026 20

NORTHERN TRUST CORP

CIK 0000073124· Index

$183M731K0.02%Q1 2026

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