AI Holders Summary · Q2 2026

412 institutions reported MTRN in Q2 2026. BlackRock, Inc. leads at 25.3% 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

BlackRock, Inc.

CIK 0002012383

$1.0B3.5M0.02%Q2 2026 02

STATE STREET CORP

CIK 0000093751

$433M1.5M0.01%Q2 2026 03

Vanguard Portfolio Management

CIK 0002100121· Index

$415M1.4M0.02%Q2 2026 04

Capital Research Global Investors

CIK 0001422848

$298M1.0M0.04%Q2 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$279M938K0.01%Q2 2026 06

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$183M616K0.08%Q2 2026 07

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$176M591K0.01%Q2 2026 08

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$172M578K0.03%Q2 2026 09

Fisher Asset Management, LLC

CIK 0000850529

$147M495K0.04%Q2 2026 10

BARROW HANLEY MEWHINNEY & STRAUSS LLC

CIK 0000313028

$133M446K0.40%Q2 2026 11

MORGAN STANLEY

CIK 0000895421

$122M411K0.01%Q2 2026 12

SEGALL BRYANT & HAMILL, LLC

CIK 0001006378

$93M314K1.11%Q2 2026 13

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

CIK 0001705339

$84M282K0.10%Q2 2026 14

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 0000884546· Index

$81M271K0.01%Q2 2026 15

NORTHERN TRUST CORP

CIK 0000073124· Index

$79M265K0.01%Q2 2026 16

RAYMOND JAMES FINANCIAL INC

CIK 0000720005

$73M245K0.02%Q2 2026 17

First Eagle Investment Management, LLC

CIK 0001325447

$71M239K0.06%Q2 2026 18

GOLDMAN SACHS GROUP INC

CIK 0000886982

$70M236K0.01%Q2 2026 19

Nuveen, LLC

CIK 0001871926

$68M229K0.02%Q2 2026 20

Copeland Capital Management, LLC

CIK 0001541743

$68M228K1.39%Q2 2026

Page 1 of 21

392 more holders available. Log in →