AI Holders Summary · Q1 2026

184 institutions reported PTLO in Q1 2026. ALLIANCEBERNSTEIN L.P. leads at 11.1% 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

ALLIANCEBERNSTEIN L.P.

CIK 0001109448

$23M5.2M0.01%Q1 2026 02

BlackRock, Inc.

CIK 0002012383

$23M4.9M0.00%Q2 2026 03

CITADEL ADVISORS LLC

CIK 0001423053

$20M4.2M0.00%Q2 2026 04

Orbis Allan Gray Ltd

CIK 0001663865

$20M4.2M0.07%Q2 2026 05

Engaged Capital LLC

CIK 0001559771

$16M3.4M4.99%Q2 2026 06

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$15M3.1M0.00%Q2 2026 07

MARSHALL WACE, LLP

CIK 0001318757

$11M2.3M0.01%Q2 2026 08

Zuckerman Investment Group, LLC

CIK 0001423296

$11M2.1M1.02%Q1 2026 09

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$10M2.2M0.00%Q2 2026 10

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$9M1.8M0.00%Q2 2026 11

STATE STREET CORP

CIK 0000093751

$7M1.5M0.00%Q2 2026 12

GOLDMAN SACHS GROUP INC

CIK 0000886982

$7M1.4M0.00%Q2 2026 13

BLAIR WILLIAM & CO/IL

CIK 0000902367

$6M1.2M0.02%Q2 2026 14

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$6M1.2M0.00%Q2 2026 15

Select Equity Group, L.P.

CIK 0001592643

$5M1.1M0.02%Q4 2025 16

AQR CAPITAL MANAGEMENT LLC

CIK 0001167557

$5M1.1M0.00%Q2 2026 17

WOLVERINE TRADING, LLC

CIK 0000927337

$5M798K0.00%Q3 2025 18

Berkshire Partners LLC

CIK 0001312988

$5M1.0M100.00%Q2 2026 19

MORGAN STANLEY

CIK 0000895421

$3M736K0.00%Q2 2026 20

Vanguard Portfolio Management

CIK 0002100121· Index

$3M705K0.00%Q2 2026

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