AI Holders Summary · Q1 2026

104 institutions reported PLX 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(5 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$8M3.6M0.00%Q1 2026 02

MAK CAPITAL ONE LLC

CIK 0001385702

$8M3.5M1.13%Q1 2026 03

Opaleye Management Inc.

CIK 0001595855

$4M2.5M0.59%Q4 2025 04

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$3M1.2M0.00%Q1 2026 05

STATE STREET CORP

CIK 0000093751

$2M973K0.00%Q1 2026 06

NORTHERN TRUST CORP

CIK 0000073124· Index

$2M885K0.00%Q1 2026 07

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$2M865K0.00%Q1 2026 08

Stratos Wealth Partners, LTD.

CIK 0001612865

$1M500K0.01%Q1 2026 09

Vanguard Portfolio Management

CIK 0002100121· Index

$938K432K0.00%Q1 2026 10

MORGAN STANLEY

CIK 0000895421

$655K302K0.00%Q1 2026 11

CITADEL ADVISORS LLC

CIK 0001423053

$652K362K0.00%Q4 2025 12

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$644K297K0.00%Q1 2026 13

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$619K285K0.00%Q1 2026 14

UBS Group AG

CIK 0001610520

$576K266K0.00%Q1 2026 15

GOLDMAN SACHS GROUP INC

CIK 0000886982

$545K251K0.00%Q1 2026 16

Bank of New York Mellon Corp

CIK 0001390777

$476K219K0.00%Q1 2026 17

Connor, Clark & Lunn Investment Management Ltd.

CIK 0001596800

$450K207K0.00%Q1 2026 18

Round Rock Advisors, LLC

CIK 0001846991

$417K192K0.06%Q1 2026 19

BRIDGEWAY CAPITAL MANAGEMENT, LLC

CIK 0001107261

$410K189K0.01%Q1 2026 20

Main Street Financial Solutions, LLC

CIK 0001763350

$385K214K0.03%Q4 2025

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