AI Holders Summary · Q1 2026

451 institutions reported TREX in Q1 2026. BlackRock, Inc. leads at 15.1% 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

$377M10.4M0.01%Q1 2026 02

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$304M8.4M0.06%Q1 2026 03

ALLIANCEBERNSTEIN L.P.

CIK 0001109448

$226M6.4M0.07%Q1 2026 04

WASATCH ADVISORS LP

CIK 0000814133

$188M3.8M1.23%Q2 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$173M4.7M0.00%Q1 2026 06

Vanguard Portfolio Management

CIK 0002100121· Index

$163M4.5M0.01%Q1 2026 07

AQR CAPITAL MANAGEMENT LLC

CIK 0001167557

$153M4.2M0.07%Q1 2026 08

STATE STREET CORP

CIK 0000093751

$118M3.3M0.00%Q1 2026 09

MORGAN STANLEY

CIK 0000895421

$78M2.1M0.00%Q1 2026 10

Clearbridge Investments, LLC

CIK 0001348883

$77M2.1M0.07%Q1 2026 11

BANK OF AMERICA CORP /DE/

CIK 0000070858

$74M2.0M0.01%Q1 2026 12

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$72M2.0M0.00%Q1 2026 13

CITADEL ADVISORS LLC

CIK 0001423053

$71M2.0M0.01%Q4 2025 14

Impax Asset Management Group plc

CIK 0001749768

$64M1.8M0.45%Q1 2026 15

WESTWOOD HOLDINGS GROUP INC

CIK 0001165002

$64M1.7M0.46%Q1 2026 16

D. E. Shaw & Co., Inc.

CIK 0001009207

$62M1.8M0.03%Q4 2025 17

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$62M1.7M0.01%Q1 2026 18

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$61M1.7M0.03%Q1 2026 19

FEDERATED HERMES, INC.

CIK 0001056288

$54M1.5M0.09%Q1 2026 20

FULLER & THALER ASSET MANAGEMENT, INC.

CIK 0001082327

$54M1.5M0.18%Q1 2026

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