AI Holders Summary · Q3 2026

132 institutions reported ITIC in Q3 2026. MARKEL GROUP INC. leads at 27.4% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(6 on this page)

#HolderValueShares% port.Quarter

MARKEL GROUP INC.

CIK 0001096343

$60M213K0.47%Q3 2026 02

BlackRock, Inc.

CIK 0002012383

$32M117K0.00%Q2 2026 03

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$22M77K0.00%Q3 2026 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$17M61K0.00%Q2 2026 05

TWO SIGMA INVESTMENTS, LP

CIK 0001179392

$15M54K0.01%Q2 2026 06

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$11M39K0.00%Q3 2026 07

STATE STREET CORP

CIK 0000093751

$8M30K0.00%Q2 2026 08

GOLDMAN SACHS GROUP INC

CIK 0000886982

$8M29K0.00%Q2 2026 09

THIRD AVENUE MANAGEMENT LLC

CIK 0001099281

$6M22K0.96%Q2 2026 10

TWO SIGMA ADVISERS, LP

CIK 0001478735

$6M24K0.01%Q4 2025 11

Aristides Capital LLC

CIK 0001595521

$6M20K1.09%Q2 2026 12

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$5M17K0.00%Q2 2026 13

NORTHERN TRUST CORP

CIK 0000073124· Index

$4M14K0.00%Q2 2026 14

Bank of New York Mellon Corp

CIK 0001390777

$4M13K0.00%Q3 2026 15

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$4M14K0.00%Q2 2026 16

Vanguard Portfolio Management

CIK 0002100121· Index

$3M13K0.00%Q2 2026 17

BNP PARIBAS FINANCIAL MARKETS

CIK 0001166588

$3M12K0.00%Q2 2026 18

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$3M10K0.00%Q2 2026 19

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