AI Holders Summary · Q1 2026

436 institutions reported PTEN in Q1 2026. BlackRock, Inc. leads at 21.5% 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

BlackRock, Inc.

CIK 0002012383

$659M60.9M0.01%Q1 2026 02

Vanguard Portfolio Management

CIK 0002100121· Index

$293M27.1M0.02%Q1 2026 03

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$230M21.2M0.05%Q1 2026 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$180M16.6M0.00%Q1 2026 05

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$178M16.4M0.09%Q1 2026 06

Sourcerock Group LLC

CIK 0001822531

$177M16.3M7.12%Q1 2026 07

GOLDMAN SACHS GROUP INC

CIK 0000886982

$165M15.2M0.02%Q1 2026 08

STATE STREET CORP

CIK 0000093751

$162M15.0M0.01%Q1 2026 09

Invesco Ltd.

CIK 0000914208

$145M13.4M0.01%Q1 2026 10

FULLER & THALER ASSET MANAGEMENT, INC.

CIK 0001082327

$133M12.3M0.45%Q1 2026 11

PRINCIPAL FINANCIAL GROUP INC

CIK 0001126328

$102M9.5M0.05%Q1 2026 12

VAN ECK ASSOCIATES CORP

CIK 0000869178

$96M8.9M0.07%Q1 2026 13

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$96M8.8M0.01%Q1 2026 14

Blackstone Inc.

CIK 0001393818

$77M7.1M0.30%Q1 2026 15

MORGAN STANLEY

CIK 0000895421

$75M6.9M0.00%Q1 2026 16

Delaware Management Holdings, Inc.

CIK 0000921739

$73M6.7M0.12%Q1 2026 17

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$57M5.3M0.02%Q1 2026 18

Fisher Asset Management, LLC

CIK 0000850529

$56M5.2M0.02%Q1 2026 19

THRIVENT FINANCIAL FOR LUTHERANS

CIK 0000314984

$54M5.0M0.10%Q1 2026 20

VICTORY CAPITAL MANAGEMENT INC

CIK 0001040188

$53M4.9M0.03%Q1 2026

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