AI Holders Summary · Q1 2026

89 institutions reported PESI in Q1 2026. BlackRock, Inc. leads at 16.4% 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

$13M1.2M0.00%Q1 2026 02

MAK CAPITAL ONE LLC

CIK 0001385702

$10M919K1.45%Q1 2026 03

PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.

CIK 0001166152

$8M777K0.83%Q1 2026 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$8M759K0.00%Q1 2026 05

HEARTLAND ADVISORS INC

CIK 0000937394

$5M400K0.27%Q4 2025 06

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$5M433K0.00%Q1 2026 07

DIAMOND HILL CAPITAL MANAGEMENT INC

CIK 0001217541

$4M356K0.02%Q1 2026 08

STATE STREET CORP

CIK 0000093751

$4M336K0.00%Q1 2026 09

Potomac Capital Management, Inc.

CIK 0001418746

$3M297K2.76%Q1 2026 10

GROUP ONE TRADING LLC

CIK 0000932540

$3M248K0.01%Q1 2026 11

PERRITT CAPITAL MANAGEMENT INC

CIK 0001279342

$2M166K3.50%Q4 2025 12

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$2M164K0.00%Q1 2026 13

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$2M162K0.00%Q1 2026 14

GOLDMAN SACHS GROUP INC

CIK 0000886982

$2M143K0.00%Q1 2026 15

NORTHERN TRUST CORP

CIK 0000073124· Index

$1M130K0.00%Q1 2026 16

North Star Investment Management Corp.

CIK 0001342857

$1M121K0.08%Q1 2026 17

MYDA Advisors LLC

CIK 0001589689

$1M120K0.21%Q1 2026 18

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$1M119K0.00%Q1 2026 19

D. E. Shaw & Co., Inc.

CIK 0001009207

$1M96K0.00%Q4 2025 20

Vanguard Portfolio Management

CIK 0002100121· Index

$1M100K0.00%Q1 2026

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