AI Holders Summary · Q1 2026

1,201 institutions reported MPWR in Q1 2026. BlackRock, Inc. leads at 19.8% 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

$6.6B6.1M0.12%Q1 2026 02

FMR LLC

CIK 0000315066

$4.8B4.4M0.25%Q1 2026 03

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$3.4B3.1M0.08%Q1 2026 04

Vanguard Portfolio Management

CIK 0002100121· Index

$2.8B2.5M0.14%Q1 2026 05

Invesco Ltd.

CIK 0000914208

$2.8B2.5M0.27%Q1 2026 06

STATE STREET CORP

CIK 0000093751

$2.4B2.2M0.08%Q1 2026 07

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$1.6B1.4M0.10%Q1 2026 08

PRICE T ROWE ASSOCIATES INC /MD/

CIK 0000080255

$1.4B1.3M0.16%Q1 2026 09

FRANKLIN RESOURCES INC

CIK 0000038777

$1.0B929K0.25%Q1 2026 10

T. Rowe Price Investment Management, Inc.

CIK 0001897612

$789M722K0.54%Q1 2026 11

MORGAN STANLEY

CIK 0000895421

$718M656K0.04%Q1 2026 12

FIRST TRUST ADVISORS LP

CIK 0001125816· Index

$647M591K0.46%Q1 2026 13

GOLDMAN SACHS GROUP INC

CIK 0000886982

$621M568K0.07%Q1 2026 14

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

CIK 0000912938

$621M568K0.21%Q1 2026 15

BARCLAYS PLC

CIK 0000312069

$608M556K0.15%Q1 2026 16

UBS Group AG

CIK 0001610520

$593M542K0.09%Q1 2026 17

VAN ECK ASSOCIATES CORP

CIK 0000869178

$574M525K0.43%Q1 2026 18

JPMORGAN CHASE & CO

CIK 0000019617

$556M555K0.04%Q1 2026 19

NORTHERN TRUST CORP

CIK 0000073124· Index

$535M489K0.07%Q1 2026 20

ROYAL BANK OF CANADA

CIK 0001000275

$518M473K0.09%Q1 2026

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