AI Holders Summary · Q1 2026

1,631 institutions reported ZTS in Q1 2026. BlackRock, Inc. leads at 16.6% 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

$4.2B35.6M0.07%Q1 2026 02

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$3.1B26.1M0.08%Q1 2026 03

Vanguard Portfolio Management

CIK 0002100121· Index

$2.8B24.0M0.15%Q1 2026 04

STATE STREET CORP

CIK 0000093751

$2.3B19.3M0.08%Q1 2026 05

STATE FARM MUTUAL AUTOMOBILE INSURANCE CO

CIK 0000315032

$1.9B15.9M1.48%Q1 2026 06

MORGAN STANLEY

CIK 0000895421

$1.7B14.1M0.10%Q1 2026 07

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$1.3B11.3M0.08%Q1 2026 08

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$1.2B10.2M0.22%Q1 2026 09

NORDEA INVESTMENT MANAGEMENT AB

CIK 0001218210

$680M5.9M0.63%Q1 2026 10

WELLS FARGO & COMPANY/MN

CIK 0000072971

$670M5.7M0.13%Q1 2026 11

NORTHERN TRUST CORP

CIK 0000073124· Index

$656M5.5M0.09%Q1 2026 12

DEUTSCHE BANK AG\

CIK 0000948046

$654M5.5M0.22%Q1 2026 13

FIL Ltd

CIK 0000318989

$649M5.5M0.50%Q1 2026 14

BANK OF AMERICA CORP /DE/

CIK 0000070858

$571M4.8M0.04%Q1 2026 15

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

CIK 0000861177

$520M4.4M0.11%Q1 2026 16

BROWN ADVISORY INC

CIK 0001345929

$509M4.0M0.71%Q4 2025 17

Mitsubishi UFJ Asset Management Co., Ltd.

CIK 0001466546

$502M4.2M0.34%Q1 2026 18

POLEN CAPITAL MANAGEMENT LLC

CIK 0001034524

$499M4.2M3.45%Q1 2026 19

VAN ECK ASSOCIATES CORP

CIK 0000869178

$467M3.9M0.35%Q1 2026 20

Bank of New York Mellon Corp

CIK 0001390777

$461M3.9M0.08%Q1 2026

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