AI Holders Summary · Q1 2026

957 institutions reported MKL in Q1 2026. BlackRock, Inc. leads at 12.7% 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

$1.4B711K0.02%Q1 2026 02

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$1.0B545K0.03%Q1 2026 03

Vanguard Portfolio Management

CIK 0002100121· Index

$1.0B524K0.05%Q1 2026 04

Select Equity Group, L.P.

CIK 0001592643

$920M428K3.96%Q4 2025 05

PRINCIPAL FINANCIAL GROUP INC

CIK 0001126328

$769M402K0.41%Q1 2026 06

DAVIS SELECTED ADVISERS

CIK 0001036325

$734M383K3.37%Q1 2026 07

MORGAN STANLEY

CIK 0000895421

$683M357K0.04%Q1 2026 08

STATE STREET CORP

CIK 0000093751

$588M307K0.02%Q1 2026 09

Boston Partners

CIK 0001386060

$480M251K0.50%Q1 2026 10

VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.

CIK 0001367401

$433M226K3.80%Q1 2026 11

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$423M222K0.03%Q1 2026 12

DAVENPORT & Co LLC

CIK 0000887777

$403M206K1.98%Q2 2026 13

BAILLIE GIFFORD & CO

CIK 0001088875

$335M175K0.34%Q1 2026 14

T. Rowe Price Investment Management, Inc.

CIK 0001897612

$297M155K0.20%Q1 2026 15

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$262M137K0.05%Q1 2026 16

BANK OF AMERICA CORP /DE/

CIK 0000070858

$260M136K0.02%Q1 2026 17

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$204M107K0.04%Q1 2026 18

Bank Julius Baer & Co. Ltd, Zurich

CIK 0001544599

$186M97K0.56%Q1 2026 19

Douglass Winthrop Advisors, LLC

CIK 0001308527

$176M82K3.08%Q4 2025 20

FENIMORE ASSET MANAGEMENT INC

CIK 0000884566

$170M87K3.53%Q2 2026

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