AI Holders Summary · Q2 2026

455 institutions reported MARA in Q2 2026. BlackRock, Inc. leads at 24.7% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(8 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$890M64.1M0.01%Q2 2026 02

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$407M29.3M0.03%Q2 2026 03

Vanguard Portfolio Management

CIK 0002100121· Index

$381M27.4M0.02%Q2 2026 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$230M16.5M0.00%Q2 2026 05

STATE STREET CORP

CIK 0000093751

$221M15.9M0.01%Q2 2026 06

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$188M10.9M0.01%Q2 2026 07

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$155M19.1M0.02%Q1 2026 08

CITADEL ADVISORS LLC

CIK 0001423053

$148M10.7M0.02%Q2 2026 09

WOLVERINE ASSET MANAGEMENT LLC

CIK 0001279891

$132M9.5M1.16%Q2 2026 10

Tidal Investments LLC

CIK 0001600064

$115M8.3M0.20%Q2 2026 11

Marex Group plc

CIK 0001997464

$110M8.0M0.47%Q2 2026 12

MORGAN STANLEY

CIK 0000895421

$94M6.8M0.01%Q2 2026 13

BANK OF AMERICA CORP /DE/

CIK 0000070858

$85M6.1M0.01%Q2 2026 14

UBS Group AG

CIK 0001610520

$82M5.9M0.01%Q2 2026 15

GOLDMAN SACHS GROUP INC

CIK 0000886982

$69M5.0M0.01%Q2 2026 16

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 0000884546· Index

$66M4.7M0.01%Q2 2026 17

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$63M4.5M0.01%Q2 2026 18

WOLVERINE TRADING, LLC

CIK 0000927337

$58M3.1M0.04%Q3 2025 19

D. E. Shaw & Co., Inc.

CIK 0001009207

$54M6.0M0.03%Q4 2025 20

NORTHERN TRUST CORP

CIK 0000073124· Index

$51M3.7M0.01%Q2 2026

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