AI Holders Summary · Q1 2026

120 institutions reported PROP in Q1 2026. BlackRock, Inc. leads at 13.3% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(7 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$4M2.0M0.00%Q1 2026 02

Hudson Bay Capital Management LP

CIK 0001393825

$3M1.5M0.01%Q1 2026 03

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$3M1.5M0.00%Q1 2026 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$3M1.5M0.00%Q1 2026 05

Arax Advisory Partners

CIK 0001586767

$3M1.4M0.08%Q1 2026 06

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$2M1.1M0.00%Q1 2026 07

CastleKnight Management LP

CIK 0001835751

$2M1.1M0.04%Q1 2026 08

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$2M887K0.00%Q1 2026 09

STATE STREET CORP

CIK 0000093751

$1M568K0.00%Q1 2026 10

GOLDMAN SACHS GROUP INC

CIK 0000886982

$1M522K0.00%Q1 2026 11

Diametric Capital, LP

CIK 0001719087

$978K482K0.25%Q1 2026 12

MORGAN STANLEY

CIK 0000895421

$919K453K0.00%Q1 2026 13

GROUP ONE TRADING LLC

CIK 0000932540

$875K431K0.00%Q1 2026 14

SIMPLEX TRADING, LLC

CIK 0001488542

$618K304K0.00%Q1 2026 15

CITADEL ADVISORS LLC

CIK 0001423053

$609K360K0.00%Q4 2025 16

UBS Group AG

CIK 0001610520

$607K299K0.00%Q1 2026 17

NORTHERN TRUST CORP

CIK 0000073124· Index

$487K240K0.00%Q1 2026 18

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$481K237K0.00%Q1 2026 19

AQR CAPITAL MANAGEMENT LLC

CIK 0001167557

$452K223K0.00%Q1 2026 20

Vanguard Portfolio Management

CIK 0002100121· Index

$404K199K0.00%Q1 2026

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