AI Holders Summary · Q1 2026

367 institutions reported MBC in Q1 2026. BlackRock, Inc. leads at 17.4% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(5 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$161M19.4M0.00%Q1 2026 02

Coliseum Capital Management, LLC

CIK 0001409751

$105M12.7M8.65%Q1 2026 03

Gates Capital Management, Inc.

CIK 0001312908

$86M10.3M2.35%Q1 2026 04

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$58M7.0M0.01%Q1 2026 05

Boston Partners

CIK 0001386060

$56M6.7M0.06%Q1 2026 06

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$48M5.7M0.00%Q1 2026 07

Pertento Partners LLP

CIK 0001894571

$41M5.0M3.02%Q1 2026 08

Sixth Street Partners Management Company, L.P.

CIK 0001812095

$41M4.9M5.74%Q1 2026 09

STATE STREET CORP

CIK 0000093751

$41M4.9M0.00%Q1 2026 10

FMR LLC

CIK 0000315066

$36M4.3M0.00%Q1 2026 11

PZENA INVESTMENT MANAGEMENT LLC

CIK 0001027796

$32M3.8M0.10%Q1 2026 12

ACK Asset Management LLC

CIK 0001510940

$31M3.7M3.84%Q1 2026 13

COOKE & BIELER LP

CIK 0000024386

$30M3.6M0.34%Q1 2026 14

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

CIK 0000861177

$26M3.1M0.01%Q1 2026 15

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$26M3.1M0.00%Q1 2026 16

GOLDMAN SACHS GROUP INC

CIK 0000886982

$25M3.1M0.00%Q1 2026 17

Apollo Management Holdings, L.P.

CIK 0001449434

$22M2.6M0.29%Q1 2026 18

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 0000884546· Index

$21M2.5M0.00%Q1 2026 19

Vanguard Portfolio Management

CIK 0002100121· Index

$20M2.5M0.00%Q1 2026 20

Monarch Alternative Capital LP

CIK 0001281084

$17M2.0M1.02%Q1 2026

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